+ Main Category
Biology: 18072
Agriculture: 7697
Horticulture: 3991
Forestry: 845
Geography: 5128
Environment: 5567
Research: 2417
Society: 448
+ Tell a Friend
Fill out the information below to email a friend a brief note about 'TropHort: Biology, Agriculture and Horticulture'
+ Top 10
+ Directory Statistics
Links: 41730
Categories: 7194
Registered Users: 733
Mailing List Subscribers: 148
+ Pagerank Statistics
+ Join Mailing List
Joining mailing list will entitle you to receive occasional emails informing you of news and updates to the site and any special offers that may be of interest to you.
Research > Chapter 20013
Shoshonitic magmatism contractional deformation, Klamath Mountains,ern California
Shoshonitic plutonic products Mediterranean area; comparison Hercynic Complex Ile-Rousse (NW Corsica, France) alpine pluton Valle del Cervo (NW Alps, Italy)
Shoshonitic plutonic rocks lamprophyres Meissen Massif (Germany); petrogenetic relationships, magma sources tectonic significance
Shoshonitic series; geochemical characteristics elements ore-bearing porphyry Yulong copper ore belt inern Xizang
Shoshonitic volcanism theern Mariana Arc; 2, Large-ion lithophile rare earth element abundances; proof source incompatible element enrichments intraoceanic arcs
Shoshonitic, monzonitic pluton Murmano,ern Turkey; note
Shot continuation operator
Shot dip moveout logarithmic transformations
Shot role wave impedance inversion 1D wave equation
Shot gather DMO double log domain
Shot gathers amplitude frequency processing rapid prestack depth migration; function ECORS deep reflection seismic data
Shot hole characteristics reflection seismology
Shot degree parallelization seismic inversion code PVM
Shot profile dip moveout log-stretch transform
Shot record directional migration VSP imaging
Shot seismic coal exploration alternative
Shot stars
Shot-by-shot removal sea surface multiples
Shot-domain data reconstruction function suppression 3-D surface-related multiples
Shot-hole bolting technology
Shot-profile migration multiple reflections
Shotcrete Support Special Reference Mexico City Drainage Tunnels
Shotcrete aggregate sieve testing
Shotcrete cementitious cover acid generating waste rock piles
Shotcrete primary support scheme cut-and-fill mining
Shotcrete tunnel lining; laboratory study
Shotcrete permanent lining Furka base tunnel
Shotcrete experience Chingaza Project
Shotcrete Hard-Rock Tunneling
Shotcrete in American underground mines; yesterday, today tomorrow
Shotcrete hard rock tunneling
Shotcrete-lined hydropower tunnels
Shotcrete; effective resource rock fall spalling rock
Shotcreting alternatives strata control
Shotgun Creek Field
Shotgun Deposit; granite porphyry-hosted gold-arsenic mineralization inwestern Alaska, USA
Shotgun surface source
Shotgun tested seismic surface source
Shotholes revisited; discussion parameter design deep objectives
Shotover alluvial gold; assessment genesis chronology host sediments
Shotpoint data quarry blasts 1958-1972
Shots outer space; iconoclast links chaos, cosmic impacts, Earth's internal workings
Should Antarctica left ice?
Should Canada acquire independent capability mobile VLBI?
Should Indiana prepared shock?
Should Memphis build California's earthquakes?
Should Tucker County, Virginia, surface miners segregate shales sandstones higher pyrite content?
Should microcomputer geologic contour map?
Should nephelinite series-bearing oceanic island drilled carbonatites, kimberlites, ultrapotassic rocks?
Should academia aid solving problems similar geologic hazards?
Should active recruitment of health workers from sub-Saharan Africa be viewed as a crime?
Should categories stratigraphic units recognized?, Note 10 American Commission Stratigraphic Naming
Should business social responsibility?
Should caregivers be compelled to disclose patients' HIV infection to the patients' sex partners without consent?
Should diffusion characterized terms concentration chemical potential gradients?
Should endemic threatened freshwater ornamental fishes Kerala part theern Ghats biodiversity hotspot captive bred international trade?
Should engineering geology taught graduate undergraduate subject?
Should environmental advocacy taught?
Should food manufacturers care about country-of-origin effect? An experimental study based on chocolate tasting
Should geologists registered professionals
Should geology regarded strictly vocational degree?
Should geology voluntary disciplinary accreditation?
Should ground water samples monitoring wells filtered laboratory analysis? Yes
Should grouted anchors short tendon bond length?
Should grouted anchors short tendon bond length?; discussions
Should intensive non-renewable groundwater resources rejected?
Should investment oil exploration production slowed down?
Should leucite Quaternary (super 40) Ar/ (super 39) Ar dating standard?
Should lithospheric flexure due load Martian polar layered deposits detectable Mars Observer laser altimeter?
Should microform methods accepted valid methods code? Z.N.(S.) 2182
Should form genera introduced?
Should fossil species portrayed wells?
Should oceanographers pump iron?
Should hydrogeologist information scientist construct model?
Should organic compounds association minerals called biominerals?
Should secondary physical education coeducational single-sex?
Should site amplification assessments generalized localized?
Should soil properties considered assessing human health risk resulting exposure arsenic-enriched soils?
Should stable isotope values pedogenic carbonates paleoclimatic reconstructions? The effects diagenesis geochemistry pedogenic carbonates
Should stereo SLAR imagery preferred single strip imagery thematic mapping?
Should stratotypes discarded?
Should Altonian Scott (1972) rejected subdivided?; comment
Should Altonian Scott (1972) rejected subdivided?; reply
Should Furnace Creek Ranch-Franklin Lake Playa ground-water subbasin simply Franklin Lake Playa ground-water subbasin?
Should K-Ar isotopic ages olivine basalt reconsidered?
Should Novel Plymouth Otorohanga soils series?
Should Permian/ Triassic boundary defined carbon isotope shift?
Should Pleistocene-Holocene boundary Termination 1A?; discussion reply
Should Pliocene-Pleistocene boundary lowered?
Should Swiss high-level waste repository crystalline basement argillaceous formation?
Should coaches elite female handball teams focus collective efficacy group cohesion?
Should electric line straight magnetotelluric surveys?
Should golden spike glitter?
Should pits filled
Should pits filled?
Should term Gila Conglomerate abandonec?
Should term Novel York City group maintained?
Should solar-proton-produced neon observable Salem?
Should abandon Titanosauridae? Some comments taxonomy titanosaurian sauropods (Dinosauria)
Should geochemistry important exploratory technique?
Should sea simulating strong ground motion? Numerical analysis effects sea 2-D P-SV wave field
Should continue deep-well disposal?
Should continue explore the Sea?
Should control pain mastitis?
Should poststack depth migration?
Should expect find pieces K/ T bolide?
Should invest telemetry systems?
Should permit Mississippi-Atchafalaya diversion?
Should resolve alternative? Review paper A.F. Grachev V.S. Fedorovskiy, Precambrian greenstone belts; rift zones island arcs?, Geotektonika, 1980, No. 5
Should search periodicities annual runoff
Should store data standardized data stores?
Should throw Yellowstone Plume baby bathwater?
Should discontinuous smooth reference velocity seismic migration-inversion?
Should foot (sediment trap) monitoring wells?
Should oral replacement vitamin B12
Should worry NO (sub 3) -N contamination groundwater systems exhibit redox potentials?
Shoulder bed correction Laterolog inclined wells
Shoulder impingement syndrome competitive swimmers India: prevalence, assessment risk factors
Shoulder joint Sterkfontein Australopithecus
Shoulder mechanics gliding birds; implications evolution forelimb aerodynamics
Shoulder uplift theern Ghats passive margin, India; denudational model
Shouldham Thorpe, Norfolk (TF 657 085)
Shouldham Thorpe, Norfolk (TF 657085)
Shovel-nosed sturgeon (Scaphirhynchus platorynchus) Holocene deposits Val Verde County, TX
Shovel-tuskers of America
Shovel-tuskers Old World
Shover shear wave generation vibration orthogonal polarization
Show Me Geology; innovative partnering pre- in-service teacher preparation
Show caves Canada United States
Show caves of Germany
Show caves; main tourist attraction geology, problems perspectives
Show descriptions core, sidewall ditch samples
Show geology; innovative research programme investigations K-12 created taught college students
Show gas brightens Novel Mexico Basin
Show, dont tell; communicating risk spatial information
Show-, visitor-, experience-mines
Showa Aluminium Industries cut production 47,4%
Showa Denko launch titanium production Toyama
Showa decides close Kitagata refinery Sep
Showa develops technology high grade aluminium
Showa-Shinzan, der juengste Vulkan im suedlichen Hokkaido, Japan
Showcasing coal education teachers
Showdown Marandoo
Showdown St Barbara mines
Shower meteoric stones neighbourhood village Kuznetzovo, Siberia, May 26, 1932
Shower sedimentation theern seas
Showers stones
Showing strong link climatic pCO (sub 2) changes; resolving discrepancies oceanographic Antarctic climate records Oligocene early Miocene (34-16 Ma)
Showing students art presentation; leading
Showing interrelations trace elements coal correlation examination
Showing colors; significance discolorations Pleistocene mammal bones depositional age
Showings gas Niman area
Showings rare metal mineralization theeastern part mountainous Altai
Shows & symposia; Pacific micromount conference
Shows & symposia; The 1983 greater Detroit gem mineral show
Shows symposia; MAPS National Fossil Exposition IV
Shows symposia; Michigan geology gemcraft seminar
Shows symposia; Atlantic micromounters conference
Shows symposia; Franklin-Sterling Hill mineral show
Shows symposia; Wildacres Workshop
Shows pyrometamorphic processes endocontact zones trap intrusions
Shpinelevo-piroksenovye porody kak metasomaticheskie obrazovaniya; spinel-pyroxene rocks metasomatic formations
Shramy na kvartsakh Berezovskom zolotorudnom mestorozhdenii na Urale
Shredded tires rubber-sand lightweight backfill
Shreveport Field, Caddo Bossier Parishes, Louisiana
Shreveport Geological Society Annual Field Trip, June 2d, 3d, 4th, 1939, maps stops
Shreveport Geological Society adopts naming
Shreveport field, Caddo Parish, Louisiana
Shrews Middle Butte Cave Moonshiner Cave, Bingham County, Idaho
Shrews Pleistocene Rancho La Brea asphalt
Shrews late Pleistocene of Kansas, description species Sorex
Shrews, Sorex, Insectivora, Mammalia, Pleistocene sediments USSR
Shri Gopal Chandra Chatterji; 1911-1988
Shrimp U-Pb dating ignimbrites Pul Pul Rhyolite,ern Territory; cautionary tale
Shrimp U-Pb geochronology zircon sphene Novel Milford Quadrangle,ern Hudson Highlands, Connecticut
Shrimp U-Pb zircon age proof Paleoproterozoic sedimentation 2.05 Ga syntectonic plutonism Nyong Group,-western Cameroon; consequences Eburnean-Transamazonian belt NE Brazil Africa
Shrimp ion microprobe examination sulfur isotopes multiple collection negative secondary ions
Shrimp zircon U/ Pb ages Jequie Complex, Sao Francisco Craton, Bahia, Brazil
Shrimp zircon dating granitoids Myanmar; constraints tectonic evolution ofeast Asia
Shrimp zircons U-Pb data eclogite gneissic granite Bixiling region (eastern Dabie); geochronological proof multiphase geological evolution
Shrimp-bearing sedimentary successions Lower Carboniferous (Dinantian) cementstone oil shale groups ofern Britain
Shrimping coal age
Shrink and share: humanity's present and future Ecological Footprint
Shrink test predicting heave shrink movements
Shrink test; water content technique shrink swell predictions
Shrink-Swell Characteristics Soil; answer Varying Concentrations NaCl OH/ Al Ratios
Shrink-swell potential cracking Clay soils Saskatchewan
Shrink-swell properties Chesterfield County soils
Shrink/ swell characteristics kaolinitic Vertisols Hawaii
Shrinkage drainage aggregates non-allophanic allophanic Andisols diverse weathering intensities; advance combining mercury porosimetry vacuum drying kinetics
Shrinkage drainage aggregates volcanic soils; advance combining mercury porosimetry vacuum drying kinetics
Shrinkage microstructure argillaceous rocks
Shrinkage formation allophane soil
Shrinkage formation allophane soil; discussion closure
Shrinkage swelling clayey soils; proposal methodology
Shrinkage swelling clays
Shrinkage swelling rocks due moisture movements
Shrinkage behavior clay liner material exposed simulated municipal solid waste landfill leachate
Shrinkage behaviour clay-sand systems
Shrinkage behaviour clay-sand systems; discussion
Shrinkage characteristics gyttja Pojezierze, Olsztyn
Shrinkage characteristics fen peat soils
Shrinkage cracks; desiccation synaeresis?
Shrinkage factor fill construction Iowa
Shrinkage features (molar tooth structure) Proterozoic limestones; model origin synsedimentary earthquake-induced dewatering
Shrinkage geometry heavy Clay soil stresses
Shrinkage Sperry Grinnell Glaciers, Glacier National Park, Montana
Shrinkage basal spacing vermiculite acid cure
Shrinkage smallwood Cryptomeria japonica Cunninghamia lanceolate plantation
Shrinkage soil specimens preparation porosimetry tests
Shrinkage subaqueous sediments Lake IJssel (The Netherlands) reclamation
Shrinkage subaqueous sediments Lake Ijssel (The Netherlands) reclamation
Shrinkage Khumbu Glacier, Nepal 1978 1995
Shrinkage estuarine channels Haihe drainage scheme influences flood hazard
Shrinkage terminology; escape normalcy
Shrinkage terminology; escape normalcy; discussion
Shrinkage-free depth foundations Clay soils
Shrinking swelling behavior Pindos Ionios flysch sediments tunnelling
Shrinking swelling clay, clay strength, properties clay soils clays
Shrinking swelling properties Canadian clays
Shrinking swelling soils UK; assessing clays planning process
Shrinking assets; recovery compared situ estimation Witwatersrand-type deposits
Shrinking channels the Platte Platte Rivers
Shrinking clay
Shrinking glaciers rising sea level; impact underestimated?
Shrinking glaciers the
Shrinking islands Japan; rheology Earth's crust viewpoints laboratory experiments, in-situ measurements field geology
Shrinking wetland; case study Sambhar Lake semiarid wetland ecosystem, Rajasthan, India
Shrinking-swelling Clay soils; geological hazard weather conditions
Shropshire geology; stratigraphic tectonic history
Shropshire ice age (presidential address)
Shropshire, Radnor Llangynog
Shrouding grade gravel Chintalpudi Rajahmundry sandstones, Andhra Pradesh
Shrub birch spore-pollen diagrams
Shrub effects on herbs and grasses in semi-natural grasslands: positive, negative or neutral relationships?
Shrub encroachment in North American grasslands: shifts in growth form dominance rapidly alters control of ecosystem carbon inputs
Shrub seedling establishment limited dispersal, slow growth, fire wet pine savannahs Mississippi
Shrubs; A Neglected Resource Arid Lands
Shrunken (geopetal) ooids; proof origin unrelated carbonate-evaporite diagenesis
Shta ye flish?
Shtavler nappe upper Svanetia (central Caucasus)
Shtockman-Luninskiy structural scarp Barents Sea shelf; new, big petroleum-bearing area Russia
Shtokmanov-Lunin Mega-saddle; highly favorable type formation Barents-Kara Platform
Shtokverkovyye volframosoderzhashchiye rudy Dzhidinskogo mestorozhdeniya
Shuaiba rudist taphonomy computerised tomography image logs, Shaybah Field, Saudi Arabia
Shu-Sarysu Depression; potential rare earth county
Shuaiba Reservoir geological study, Yibal Field, Oman
Shuaiba reservoir geological study, Yibal Field, Oman
Shuangfengite; iridium bitelluride
Shublik Formation lithofacies, environments, sequence stratigraphy, Arctic Alaska, U.S.A
Shubnikov's formulas external crystal forms
Shubuta (Smackover) field, Clarke County
Shubuta Shubuta fields, Clarke County, Mississippi
Shubuta, (Smackover) field, Clarke County
Shuffle tectonics convergent margins; contemporary Mediterranean
Shuffling bones fresh Paleontology Hall Field Museum Natural History
Shugart Delaware
Shuhe Formation mixed zoolites
Shuibuya; world's highest concrete faced rockfill dam
Shuiquangou alkali complex relationship gold deposits
Shulaps ophiolite Canadian Cordillera
Shuler field, Union County, Arkansas
Shumagins earthquake October 9, 1985
Shumagin seismic gap, Alaska Peninsula; history great earthquakes, tectonic setting, proof high seismic potential
Shumard's type specimens Tertiary mollusks Oregon types Washington University, Saint Louis
Shunda structure
Shungite find Paleozoic rocks ofern Kazakhstan
Shungite genesis inern Karelia
Shungite rocks Karelia model carbon chondrites structure
Shungite rocks; geology fields usage
Shungite-bearing terrains Precambrian Karelia, lithology conditions structure
Shungites Karelia; materials environmentally clean technologies
Shungites; origin grouping carbon mineral resource
Shungites; C-rich rocks Karelia, Russia
Shungitopodobnyi mineral iz severo-zapadnoi Yakutii
Shunts gravel pack horizontal wellbores leakoff problems
Shuotherium dongi, n. gen. sp. therian pseudo-tribosphenic molars Jurassic Sichuan, China
Shuotherium; proof upper molar
Shushufindi Field, Oriente Basin; Ecuador's giant revisited
Shuswap Lake transfer zone; link en echelon segments Okanagan Valley fault system,ern Omineca Belt, British Columbia
Shuswap Terrane British Columbia; Mesozoic core complex
Shut tightly protected
Shutdown clean uranium mining inern Germany
Shute Creek
Shute Creek Unit
Shutterridges, characteristic physiographic features active faults
Shutting Rangely gas
Shutting gas wells inern Kentucky
Shuttle Imaging Radar (SIR-B) studies Canadian Shield; initial report
Shuttle Imaging Radar examination arid environments
Shuttle Imaging Radar functions geology
Shuttle Imaging Radar scenes legendary Arabian lost town Ubar reality Ubar
Shuttle Laser Altimeter (SLA-02) measurements global vertical roughness Earth
Shuttle Radar Topography Mission (SRTM); revelations Earth's landforms
Shuttle crews record shrinking Lake Chad
Shuttle era photo technology
Shuttle trial demonstrate high accuracy global time frequency transfer
Shuttle imaging radar (SIR-A) coverage ofwest Novel Mexico
Shuttle imaging radar (SIR-A) Tertiary Quaternary volcanics Guatemala
Shuttle imaging radar (SIR-B) studies Canadian Shield; interim report
Shuttle imaging radar (SIR-B) studies Canadian Shield; summary report
Shuttle imaging radar (SIR-C) images reveal multiple impact craters Aorounga,ern Chad
Shuttle imaging radar SIR-A geological geomorphological mapping Colombian Andes
Shuttle imaging radar trial
Shuttle imaging radar insights geoarcheology ofern Egypt
Shuttle imaging radar overern Australia
Shuttle imaging radar framework subsurface geologic exploration Egypt Sudan
Shuttle imaging radar reveals major deformation belt Sahara Desert Sudan
Shuttle imaging radar views geological features Arabian Peninsula
Shuttle imaging radar-C (SIR-C) detection Cenozoic volcanoes in Kunlun, China
Shuttle imaging radar; geologic functions
Shuttle imaging radar; physical controls signal penetration subsurface scattering theern Sahara
Shuttle imaging radar; science sensor Earth resources notes
Shuttle laser altimeter (SLA) topographic notes land, cloud, ocean surfaces
Shuttle photos show Madagascar erosion
Shuttle polar ice sounding altimetry
Shuttle radar images wind streaks Altiplano, Bolivia
Shuxianshan Xiangtang uranium deposits ineastern China
Shuyskite; chromium analog pumpellyite Biser Deposit, Urals
Shvagerinovye sloi Preddonetskom progibe
Shvagerinovyi gorizont Artinske otlozheniya na Yuzhnom Urale (Schwagerina horizon Artinsk deposits theern Urals)
Shvagerinovyi gorizont artinskie otlozheniya na yuzhnom Urale (Schwagerina horizon Artinskian deposits theern Urals)
Shyrotnoye Priobye; measurement lithology VSP data
Si (sub 3) O (sub 10) groups crystal formation ardennite
Si (super +4) content natural phengites
Si (super 32) dating Alpine glacier
Si Al artificial coalification peats
Si Fe biomineralization microorganisms bottom sediments delta Selenga River, tributary Lake Baikal, Russia
Si Mg isotope fractionations melilite coarse-grained CAIs measured SIMS
Si Mg-Al isotopic investigations presolar graphite Orgueil
Si O diffusion olivine implications characterizing plastic flow mantle
Si det med stentoey
Si fractionation chondrite parent bodies bipolar outflow
Si grain boundary diffusion rates feldspar aggregates
Si metal CR chondrites; indicator incomplete metal silicate equilibration high cooling rates
Si isotopes clue understanding Eoarchaean silicifications
Si isotopes SiC carbonaceous enstatite chondrites
Si isotopic measurements SiC Si (sub 3) N (sub 4) grains Indarch (EH4) Meteorite
Si isotopic ratios mainstream presolar SiC grains revisited
Si, Al ordering Linde A zoolite; discussion reply
Si, Al ordering leucite high-resolution 27 Al MAS NMR spectroscopy
Si, Al, W behavior HF aqueous solutions relationship greisen problem
Si, C N isotopes SiC Orgueil Murchison; H- He-burning components presolar grains
Si, C Ti isotopes; SiC particles AGB stars?
Si, O H isotopic compositions water suspended materials Yangtze River, China
Si- Ti-rich surface coatings Hawaiian basalt implications remote sensing Mars
Si-, P-, Cr-bearing inclusions Fe-Ni ordinary chondrites
Si-29 Al-27 MAS/ NMR study thermal transformation kaolinite
Si-29 O-17 NMR studies silanol-group minerals hydrous glasses
Si-Al order I1-I2/ structural phase transition synthetic CaAl (sub 2) Si (sub 2) O (sub 8) -SrAl (sub 2) Si (sub 2) O (sub 8) feldspar; (super 29) Si MAS-NMR spectroscopic study
Si-Al order leucite revisited; information analcite-derived analogue
Si-Al ordering leucite group minerals ion-exchanged analogues; MAS NMR study
Si-Al ordering nephelines
Si-Al ordering scapolites (super 29) Si, (super 27) Al, MAS NMR
Si-Al partitioning Scapolites; function graphic theoretical methods mineralogic problems
Si-Al relationship clinopyroxenes igneous rocks
Si-Al-Fe disordering Ar diffusion gem K-feldspar
Si-Fe-Al ratios grouping clastic sediments
Si-Fe-edifices hydrothermal fields marginal oceanic structures; review
Si-Mg fractionation chondrites
Si-O uptake band 1000 cm (super -1) OH uptake bands chlorite
Si-O band suppression spectrographic examination silicate rocks boron
Si-O bond lengths M (sub 3) (super +2) Al (sub 2) Si (sub 3) O (sub 12) garnets function empty 3d orbital M (super 2+) cations
Si-O distances X (sub 2) YSi (sub 2) O (sub 7) melilites function electron density Y ions
Si-O distances silicates fluor ions
Si-associated iron oxides Atlantis II Deep Thetis Deep, Red Sea
Si-lacking, OH-substituted, boron-bearing vesuvianite Wiluy River, Yakutia, Russia
Si-isotopic fractionation silicate minerals chondritic meteorites; potential probe early solar scheme processes
Si-rich Fe-Ni grains highly unequilibrated chondrites
Si-rich fibers particles; collect selectively Ba, Pb, Tl, Zn, As, Cd, Cu, Hg, (Ag) S-, F-, Cl-, Br-bearing compounds volcanic volatiles; hazards filtration capacities gas masks filters utilized aeronautic industry? Can filters detectors presence elements gases?
Si/ Al distribution tectosilicates
SiC Si (sub 3) N (sub 4) Qingzhen (EH3)
SiC Greenland lake sediments
SiC diamond kimberlites; implications nucleation growth diamond
SiC ordinary chondrites
SiC zircon charnockite Rogaland,ern Norway
SiC microphenocrysts newly discovered lamproites Sichuan, China
SiO (sub 2) -CaO-MnO correlations distributions KODOS manganese nodules
SiO (sub 2) -MgO tholeiites picrites; primary melt compositions the Atlantic Ridge
SiO (sub 2) -asvanyok Tokaj-Hegyaljai jaspisokban; siO (sub 2) -Minerale den Jaspissen des Tokaj-Hegyalja-Gebirges
SiO (sub 2) -bearing chondrules Murchison (C2) Meteorite
SiO (sub 2) -gems Mesozoic magmatites Buru-Cheile Turzii region (Apuseni Mts, Romania)
SiO (sub 2) -rich chondrules ordinary chondrites
SiO (sub 2) -solubility cation-excess spinels Ni (sub 2(1+x) )Ti (sub 1-x) O (sub 4)
SiO (sub 2) addition cratonic mantle melt/ rock response subduction zones
SiO (sub 2) condensation experiments implications protosolar materials
SiO (sub 2) malacon
SiO (sub 2) mass transport early diagenesis Cretaceous mudstone
SiO (sub 2) polymorphs formation transitions
SiO (sub 2ú-rich chondrules ordinary chondrites
SiO GeO bonded interactions inferred bond critical point properties electron density distributions
SiO bond length variation; SiO (sub 2) polymorphs clathrasils
SiO bonded interactions coesite; comparison crystalline, molecular experimental electron density distributions
SiO2 time interchangeable abscissa magmatic evolution
SiO<2) carriers quartzose gravel poor abrasive substances
SiSSi SiOSi bonds molecules solids; comparison
Siagne flood prevention; programme making people goods safe
Sial; relic primordial regolith
Sialic acid and oxidizability of lipid and proteins and antioxidant status in patients with coronary artery disease
Sialic acid receptor detection in the human respiratory tract: evidence for widespread distribution of potential binding sites for human and avian influenza viruses
Sialic simaic basins
Sialic crust fragment upper Cenozoic volcanic rocks Koryaks
Sialic oceans continental collisions
Siallites allites problems paleogeography
Siamese cat breed review
Siamese twins Ammonia beccarii
Siamogole thailandica, Neogene Mustelidae (Carnivora, Mammalia) ofeast Asia
Siarka celestyn Tarnobrzega Szydlowa
Siauliu ekogeologiniu problemu sprendimo regionine programa--Siauliai regional program environmental geological science
Siauliu geologines informacijos sistema--The Siauliai regional geological information scheme
Siauliu vandenvieciu sanitarines apsaugos zonu valdymo planas--Manipulation plan wellfield protection areas Siauliai
Siaures Lietuvos karstinio rajono gipso chemines denudacijos monitoringas 2004-2005 metais--Monitoring gypsum chemical denudation of Lithuanian karst area 2004-2005
Siaures Lietuvos karstinio rajono karstejanciu uolienu dangos storio ir litologines sudeties zemelapis 1:50 000 masteliu--The map thickness lithological composition cover karstified rocks (north Lithuanian karst area)
Siaures Lietuvos karstinio rajono virsutinio devono Kupiskio svitos kraigo strukturinis zemelapis 1:50 000 masteliu--Structural map (scale 1:50 000) Upper Devonian Kupiskis Formation the Lithuanian region
Sibay stratovolcano,ern Urals
Sibayak geothermal field (Indonesia); formation assessed gravity hydrogeological considerations
Siberia Ridge
Siberia ern Europe
Siberia Far; mineralogical guide
Siberia theern part USSR; Siberian areas Ob River
Siberia Rodinia
Siberia oil field; general characteristic geological setting reserves assessment
Siberia unfreezes assets
Siberia's Udzha Trough delivery track Mesoproterozoic clastics Belt Supergroup; revisiting Siberian connection
Siberia's crystals symmetry distribution occurrences minerals
Siberia's hidden heating scheme
Siberia's prospects retrospect
Siberia's threatened forests
Siberia-Laurentia connections Rodinia
Siberia; canals fodder saline lake
Siberia; surprising home early contemporary humans
Siberian Arctic continental margin; constraints uncertainties plate tectonic models
Siberian Lena River hydrologic regime change
Siberian Platform
Siberian Triassic floras
Siberian agrochemistry; present conditions prospects
Siberian areas Lena River
Siberian areas Yenisei River; late Pliocene early-middle Pleistocene
Siberian connection Precambrian Triassic rocks Arctic Alaska
Siberian cycadophytes Heilungia group
Siberian diamonds
Siberian diamonds; vast kimberlite reserves
Siberian eclogite xenoliths; generalities, oddities crustal vs. mantle protoliths
Siberian eclogite xenoliths; keys differentiation Archean mantle
Siberian elements flora ofeasternmost Europe provenance
Siberian fire
Siberian gems
Siberian geomorphology years Soviet power
Siberian geotherm based lherzolite xenoliths Udachnaya Kimberlite, USSR
Siberian graptolite Chitinozoa assemblages Cambrian-Ordovician boundary
Siberian metallogeny
Siberian oil production warms Australian connection
Siberian origins suggested Cambrian-Devonian faunal affinities Farewell, Arctic Alaska, Alexander allied Alaskan accreted terranes
Siberian paleontological scientific center; basis preparing specialists region historical geology
Siberian protodolomite origin
Siberian resources Soviet warfare
Siberian river run-off late Quaternary glaciation theern Kara Sea, Arctic Ocean; results
Siberian river run-off Kara Sea; characterization, quantification, inconsistency late Quaternary times
Siberian river run-off Kara Sea; characterization, quantification inconsistency environmental significance; introduction
Siberian rivers Martian outflow channels; analogy
Siberian routes A. Obruchev
Siberian science; quarter century bold trial
Siberian shelf sediments clues paleoclimate forcing
Siberian soils humus horizons
Siberian superproject
Siberian thaw releases methane accelerates global warming
Siberian traps
Siberian traps phenomena crystallization differentiation
Siberian-type Quaternary floodplain sedimentation; Yenisei River
Siberian-type tectogenesis
Sibir presses nod developing Russian Salym oil field
Sibir Dalniy Vostok; Sibirskaya platforma, Mongolo-Okhotskaya, Tikhookeanskaya skladchatyye oblasti prilegayushchiye akvatorii; miotsenovaya epokha--Siberia Far; Siberian Platform, regions Mongolian-Okhotsk Pacific folding adjacent water areas; Miocene epoch
Sibir Dalniy Vostok; Sibirskaya platforma, Mongolo-Okhotskaya, Tikhookeanskaya skladchatyye oblasti prilegayushchiye akvatorii; paleogenovaya epokha (na Sibirskoy platforme dat-eotsenovoye vremya)--Siberia Far; Siberian Platform, regions Mongolian-Okhotsk Pacific folding adjacent water areas; Paleogene epoch (on Siberian Platform Danian-Eocene time consideration)
Sibir Dalniy Vostok; Sibirskaya platforma, Mongolo-Okhotskaya, Tikhookeanskaya skladchatyye oblasti prilegayushchiye akvatorii; sovremennaya epokha (geomorfologicheskaya karta)--Siberia Far; Siberian Platform, regions Mongolian-Okhotsk Pacific folding adjacent water areas; Recent epoch (geomorphological map)
Sibir Dalniy Vostok; Sibirskaya platforma; oligotsen-miotsenovaya epokha--Siberia Far; Siberian Platform; Oligocene-Miocene epoch
Sibir Dalniy Vostok; Sibirskaya platforma; ranneyurskaya epokha (vklyuchaya retskiy vek)--Siberia Far; Siberian Platform; Early Jurassic epoch (Rhaetian age inclusive)
Sibirispira genus class Atrypida
Sibirispira genus order Atrypa
Sibiritoechia genus order Rhynchonellida
Sibirskaya neft
Sibirskite Fuka, Okayama Prefecture, Japan
Sibisa Swamp, Sumatra; pollen record
Sibley Basin sediment provenance zircon rock geochemical methods; potential source areas Pass Lake Formation
Sibling independent compound chondrules
Sibling species Montastraea annularis, coral bleaching, coral climate record
Sibneft exploreeastern Russia shelf
Sibo ard - name?
Sibudu Cave, KwaZulu-Natal; background excavations middle Stone Age Iron Age occupations
Sibumasu biotic county position Paleotethys
Sibutramine
Sicamous Lytton
Sicanitinae, Permian medlicottiid ammonoids
Siccar Point teaching history geology
Siccar Point, Cove, Catcraig
Siccar Point; Hutton's classic unconformity
Sichelduenen
Sichuan Basin
Sichuan Movement in Sichuan foreland basin relationship oil gas
Sichuan agnathans
Sichuanosuchus shuhanensis new?Early Cretaceous protosuchian (Archosauria, Crocodyliformes) Sichuan (China), monophyly Protosuchia
Sicilian Jurassic physiography geologic realms (Italy)
Sicilian Numidian flysch; part 1, Granulometry heavy minerals quartzarenite parautochthonous positions
Sicilian Numidian flysch; part 2, Geochemistry mineralogy Portella Colla section
Sicilian earthquake Jan. 11, 1693
Sicilian outcrops Porto Palo, Trapani
Sicilian raw materials; geologic surroundings
Sicilian sulfur
Sicilide units Val dAgri; Lucanian Apennines
Sicily Tunisia; contrasts structural style similar differing sedimentologic histories
Sicily Mediterranean setting
Sicily mainland offshore; structural comparison
Sicily mainland offshore structures; comparison
Sicily's primed suspect
Sicker Project
Sicker Project (92B/ 13)
Sicker Project-Mount Richards region
Sicker series gabbros of Sooke Rocky Point
Sickle Lake (64C/ 10 half)
Sickle-Wasekwan contact, Granville Lake
Sickle-shaped perturbations critical frequencies F (sub 2ú-layer
Sickles Field
Sicula thecae Monograptus (Testograptus) testis
Sicular annuli thickened interthecal septa Silurian graptolites; information
Siculocosta floriformis, n. sp., (Siculocostidae, Milioliporacea) foraminifer Upper Triassic (Norian-Rhaetian) reefal facies theern Taurus (Lycian nappes) Turkey
Sid W. Richardson, 1891-1959; oil philanthropist
Sidbec-Normines; key integrated Quebec steel industry
Siddha-Gupha, deepest cave Nepal
Siddhapur Barkachha; stone age factory sites Uttar Pradesh
Side Looking Airborne Radar (SLAR); Principles Uses Geologic Mapping
Side accretion bodies Oligocene Mangyshlak
Side arc collision extension Aegean crust
Side bank erosion rivers
Side bars river channels; conditions structure dynamics
Side canyons Colorado River Grand Canyon.; 2
Side canyons Colorado River, Grand Canyon
Side channel spillway Morwe Dam, Bihar
Side channel salmonids Sauk River, Washington
Side echoes sinuous fan channel obscure formation submarine fan channel/ levee systems, Amazon Fan
Side effects coloring methods applied assessment mineralogic samples
Side effects of flux enhancing chemicals in membrane bioreactors (MBRs): study on their biological toxicity and their residual fouling propensity
Side effects of pencycuron on nontarget soil microorganisms in waterlogged soil: field experiment
Side effects fungicides population Kampimodromus aberrans (Oudemans) Euseius finlandicus (Oudemans) (Parasitiformes, Phytoseiidae) grapevines Campania (South Italy)
Side friction consolidation tests fibrous peat
Side friction plane strain tests
Side friction mobilization rates laterally loaded piles pressuremeter
Side friction piles clay
Side issues bearing age Niagara Falls
Side load transfer driven drilled piles
Side load-transfer mechanisms drilled shafts soft argillaceous rocks
Side airborne radar age
Side radar; global coverage decade
Side seismics structural fabric oceanic basement Madeira abyssal plain
Side reactions; experimental study metastable phase structure
Side resistance piles drilled shafts; discussion reply
Side resistance piles drilling shafts
Side resistance bentonite-coated pile-rock interfaces
Side resistance big diameter bored piles socketed decomposed rocks
Side resistance rock sockets sandstone, mudstone, shale
Side scan acoustic images processing software
Side scan images sediment dynamics coastal Maine
Side scan sonar
Side scan sonar analysis; sediments ofern Massachusetts Bay
Side scan sonar images Sagami Bay, Japan attained IZANAGI scheme
Side scan sonar mapping shallow gas occurences ria environment; Ria de Pontevedra (NW Spain)
Side scan sonar records Brisbane River, interpretation ancient sea levels
Side scan sonar results; nearshore,ern Lake Ontario, NY
Side scan sonar survey Bocche di Bonifacio-La Maddalena Archipelago area, Sardinia, Italy
Side scan sonar, investigation marks Joides Basin seafloor
Side scan sonar; geophysical technique marine-geological investigations
Side scan sonar; functions oil exploration exploitation
Side scan sonars; comparison photographic pictures
Side scan multibeam echosounder object detection; comparative examination
Side shear piles driven oversized pilot holes
Side shear setup; I, Test piles driven Florida
Side shear setup; II, Results Florida test piles
Side valley evolution function piping erosion
Side wall crystallization zoned magma chambers
Side wave 2-D seismic section
Side-by-side tidal tilt measurements; disturbing results
Side-chain cleavage C-20 ketone reduction hydrocortisone natural isolate Chroococcus dispersus
Side-hole reference technique estimating gradient anomaly apparent resistivity
Side-look radar moves exploration
Side-look radar; limitations reconnaissance tool
Side-looking Sonar Signal Processing
Side-looking airborne radar
Side-looking airborne radar (SLAR)
Side-looking airborne radar (SLAR)
Side-looking airborne radar (SLAR) lineament mapping Connecticut development report
Side-looking airborne radar petroleum prospecting tool inwestern Colombia
Side-looking airborne radar glacier science
Side-looking airborne radar image data geosciences; preliminary quarter century
Side-looking airborne radar image interpretation geological mapping; problems results
Side-looking airborne radar image Venezuelan Guayana Shield
Side-looking airborne radar programme
Side-looking airborne radar/ photogrammetric examination scale surface roughness
Side-looking airborne radar; underutilized remote sensing tool Circum-Pacific area
Side-looking imaging radar scheme Toros function ice conditions study geological explorations
Side-looking imaging radar scheme TOROS function study ice conditions geological explorations
Side-looking radar infra-red line scanner operational surveying systems geology hydrology
Side-looking radar mapping trial analytical stereoplotters
Side-looking radar; hydrologic tool
Side-looking sonar backscatter answer dual frequencies
Side-looking sonar surveys Atlantic continental shelf
Side-looking underground radar (SLUR); physical modeling case history
Side-scan acoustic subbottom characterization sea floor Dry Tortugas, Florida
Side-scan proof disturbed bottom sediments Hamilton Harbour
Side-scan processing interpretation the cliff wall Hess Deep rift; texture examination geologic ground-truth
Side-scan processing GLORI-B SeaBeam 2000
Side-scan sonar the wall Hess Deep Rift; processing, texture analysis, geologic ground truth oceanic escarpment
Side-scan sonar photographic survey 1980 earthquake-induced seafloor failure offern California
Side-scan sonar reflection seismic profiling
Side-scan sonar seismic investigations ocean floor formation
Side-scan sonar submersible studies iceberg furrows sand waves theeastern Gulf Maine
Side-scan sonar submersible observations; techniques gleaning information sea-floor outcrops
Side-scan sonar submersible surveys Marsili Volcano; rifting morphology active axial zone theern Tyrrhenian Sea
Side-scan sonar tool mapping spatial variations sediment type
Side-scan sonar characteristics manganese nodule abundance Clarion-Clipperton fracture zones, NE Equatorial Pacific
Side-scan sonar characteristics seafloor manganese nodule incidence Clarion Clipperton fracture zones, NE Equatorial Pacific
Side-scan sonar proof large-scale current lineations the Novel Jersey continental shelf, U. S -
Side-scan sonar imagery surface ships
Side-scan sonar images man-made Candlewood Lake; land history material high school students
Side-scan sonar images Sebago Lake, Maine; proof postglacial inland marine limit
Side-scan sonar images modern sediment transport lag deposits coastal erosion terrace theeastern shore Lake Ontario
Side-scan sonar images submarine landslides flanks atolls guyots
Side-scan sonar images continental slope Wilmington Canyon theern United States
Side-scan sonar imaging bay bottom sediment anthropogenic impacts Galveston Bay, Texas
Side-scan sonar investigation temporal variation sand wave morphology; Helwick Sands, Bristol Channel
Side-scan sonar investigation shallow-water depositional processes Block Sound; passage big storm systems
Side-scan sonar mapping computer-aided interpretation Santa Barbara Channel, California
Side-scan sonar mapping theern ridge-transform intersection MARK region
Side-scan sonar mapping sediment facies dump material Novel York Bight Apex
Side-scan sonar mapping sea floor Gulf Mexico
Side-scan sonar mapping seafloor geology MARK region (23 degrees 40N); implications tectonic processes Mid-Atlantic Ridge Kane Transform
Side-scan sonar mapping; pseudo-real-time processing mosaicking techniques
Side-scan sonar maps entireern California borderland adjacent seamount county
Side-scan sonar modification shallow water bottom surveys
Side-scan sonar mosaic high-resolution seismic survey tidal sand bank,ernmost Sea
Side-scan sonar mosaic sand ridge field;ern Mid-Atlantic Bight
Side-scan sonar notes Point Grey dump site, Strait Georgia, British Columbia
Side-scan sonar records sedimentation Wanganui
Side-scan sonar reveals submerged remains preliminary Tay railway bridge
Side-scan sonar study Port Jefferson Harbor, Long, Novel York
Side-scan sonar survey halokinetic hydrocarbon seep sediment modifications Louisiana slope
Side-scan sonar survey Lake Superior floor Freda, Michigan
Side-scan sonar surveying continental shelf Sierra Leone
Side-scan sonar; practical guide
Side-scan sonar; functions oil exploration exploitation
Side-scan survey results Norwalk Harbor; shore Long Sound
Side-scan targets Lake Champlain; proof active sedimentary processes
Side-scan targets Lake Superior; proof bedforms sediment transport
Side-scanning technique multibeam echosounder detecting objects; comparative examination
Side-scanning navigation geological mapping shelf
Side-scanning seismic imaging; physical modeling study
Side-scanning seismic; examination physical modeling study
Side-scatter investigation multichannel reflection data 9 degrees N 13 degrees N the Pacific Rise
Side-stepping axial surface traces superposed folding
Sidelights Some Malacologists
Sideling Hill road cut visitors center; educational opportunity combining outcrop classroom
Sidelit perspective imagery Juan de Fuca Explorer ridges
Sidelooking airborne radar tool natural resources mapping; Brazilian advance
Sidelooking radar imagery
Sidelooking radar imagery ofeastern United States
Sidere; numerical prediction large-strain consolidation
Siderit devonskikh otlozheniyakh zapadnoi chasti Bashkirskoi ASSR
Siderita negra de Famatina (provincia de La Rioja)
Siderite (FeCO (sub 3) ); thermal decomposition balance graphite
Siderite Falls India
Siderite ankerite characterization iron deposits Bilbao X-ray diffraction, FTIR Mossbauer
Siderite barite Maryland
Siderite calcite pegmatites Volhynia
Siderite gypsum intergrown magnetite-ilmenite Governador Valadares
Siderite sulphides Leadville ore deposits
Siderite constraint depositional early diagenetic history - examples Barrow Sub-basin, Shelf,ern Australia
Siderite tracer early diagenetic processes
Siderite boundary Cambrian Reagan Sandstone Honey Creek Formation,western Oklahoma
Siderite biomorphic structures Jurassic sediments Nizhnyaya Vychegda Depression,ern Russian Plate
Siderite chimney dikes (metacarbonatites) basaltoids Turow lignite mine; Sudeten, SW Poland
Siderite concretions nonmarine shales (Westphalian A) Pennines, England; controls growth composition
Siderite concretions Middle Devonian Hamilton Formation Catskill tectonic fan-delta complex, Novel York
Siderite concretions Paleocene series Polish part theern Flysch Carpathians
Siderite concretions; indicators early diagenesis shallow gas reservoirs Gammon Shale (Cretaceous)
Siderite concretions; indicators early diagenesis Gammon Shale (Cretaceous)
Siderite decomposition role temperature pressure magnetite-hematite buffer
Siderite deposits China
Siderite balance redox potential values groundwaters Calcutta (W. Bengal)
Siderite falls India
Siderite structure ancient modern; affects fossil preservation
Siderite structure anoxic deep-sea sediments; synergetic bacterially controlled process important implications paleomagnetism
Siderite structure Phanerozoic Precambrian
Siderite Nagolny Ridge, Donets Basin
Siderite Otway Coast Victoria, S.E. Australia
Siderite the Cumbrian hematite deposits
Siderite weathering crust Azov granites
Siderite genesis lacustrine sediments
Siderite hosted copper sulphide mineralisation Palaeozoic sequence of Himalaya, Bhutan
Siderite Birket Ram Lake sediments
Siderite Tertiary deposits Zittaw Basin
Siderite Ivishak Sandstone, Prudhoe Bay, Alaska; indicator early burial environment?
Siderite Nalzen bauxite, Ariege
Siderite laminae; stromatolite-type structures deep meromictic lakes?
Siderite localization factors Bakala
Siderite mineralization Hecla Hoek Succession (Precambrian) Strypegga, Spitsbergen
Siderite mineralization Nizke Tatry Mts.,ern Carpathians, Slovakia
Siderite occurrences Atoka Formation, Oklahoma Arkansas, hydrochemical, diagenetic paleomagnetic implications
Siderite Pagala, Togo; evolution gossan
Siderite ore theern graywacke zone, iron Eisenerz Radmer/ Bucheck
Siderite spherulites Upper Cretaceous sediments
Siderite spherulites San Sebastian Formation (Oligocene),ern Puerto Rico
Siderite textures Cardium Formation, Ferrier Field, Alberta
Siderite veins saprolite, Cayce, S.C
Siderite weathering rare source CO (sub 2) cave genesis; Eisenstein Stollen System adjacent caves Iberg, Harz Mountains, Germany
Siderite zonation within the Brent Group; microbial influence or aquifer flow?
Siderite, pyrite magnesite diagnosis oil shale variable atmosphere DTA
Siderite- calcite-bearing concretionary nodules Lias Yorkshire
Siderite-iron-silicate equilibria Paleosols atmospheric CO (sub 2) paleobarometer paleoproductivity index?
Siderite-weathering non-biogenetic source CO (sub 2) , (illustrated Iberg, Harz, Fed. Rep. Germany)
Siderite; diagenetic product ammonite shell
Siderites late Precambrian deposits Kokchetav Massif (northern Kazakhstan)
Siderites late Precambrian sedimentary rocks Kokchetav Massif,ern Kazakhstan
Siderites ofern Spain present time
Siderites pyrite lead-zinc deposits Ozer Deposit,ern Transbaikalia
Sideritic concretions thephalian Yorkshire; chemical investigation carbonate phase
Sideritic siltstone unit subore schist suite Yakovlevo iron deposit, Kursk magnetic anomaly potential facies analog jaspilite unit
Sideritization facies main bed Normandy iron ores
Sideritova ruda Nucic
Sideritovaya geokhimicheskaya fatsiya morei voobshche solenykh vod kak nefteproizvodyashchaya
Sideritut ot Sheshkingrad, Slivensko; la siderose de Seskingrad
Siderolites Cretaceous rocks Ariyalur (S. India)
Siderolites heracleae im Maestrichtien des thessalischen Pindos
Siderolites olaztiensis (nueva descripcion)
Siderolites praevidali, species Campanian stratotype foraminifera; description biostratigraphic interest
Siderolithic basal molasse Orbe, Vaud
Siderolithic red formations silicification theern border the Massif
Siderolithiques formations rouges dans les nappes des Alpes francaises, au S lE du Pelvoux
Sideromelantuf fra Faeroeerne (mindre meddelelser om Faeroeernes geologi, nr. 2)
Sideronatrite copiapite Turoszow, Lower Silesia
Sideronatrite metasideronatrite efflorescence formed coastal sea-spray environment
Sideronatrite Santa Barbara Mine, Jujuy Province
Sideronatrite mineralized cavities Rising Sun colliery, Backworth,umberland
Sideronatrite; preliminary recorded occurrences Australia
Sideronitic formation texture
Siderophile abundance maxima upper Cenomanian marine invertebrate extinction horizon;ern Interior of America
Siderophile chalcophile metal variations Tertiary picrites basalts from Greenland implications sulphide saturation history continental flood basalt magmas
Siderophile chalcophile trace element concentrations arc volcanics; implications element transfer
Siderophile lithophile trace-element evolution Archaean mantle
Siderophile volatile elements Apollo 17 impact melt rocks
Siderophile volatile elements lunar highlands; implications terrestrial mantle abundances
Siderophile volatile elements Moon Earth's mantle; implications lunar origin
Siderophile volatile trace elements Apollo 14 16 rocks fines; proof extralunar constituent Tl-, Au-, Ag-enriched rocks ancient lunar crust
Siderophile volatile trace elements Apollo 17 Boulder-2 rocks soils
Siderophile volatile trace elements Earth's upper mantle; proof ultrabasic nodules
Siderophile behavior P impact processes
Siderophile element abundances behavior
Siderophile element abundances Cretaceous-Tertiary boundary sediments
Siderophile element abundances Fe-S-Ni-O melts segregated partially molten ordinary chondrite dynamic conditions
Siderophile element concentrations bencubbinite metals
Siderophile element concentrations drill core samples Manson crater
Siderophile element concentrations magnetic spherules deep sea sediments revealed instrumental neutron activation examination
Siderophile element concentrations metal fragments Apollo 16 regolith
Siderophile element constraints core formation; initial abundances
Siderophile element enrichments Cretaceous/ Tertiary boundary; results implications
Siderophile element proof Apollo 14 high-Al mare basalts impact melts
Siderophile element fractionation
Siderophile element