Filtros de búsqueda

Lista de obras de

182 W and HSE constraints from 2.7 Ga komatiites on the heterogeneous nature of the Archean mantle

scholarly article

182W evidence for long-term preservation of early mantle differentiation products

artículo científico publicado en 2012

186Os–187Os and highly siderophile element abundance systematics of the mantle revealed by abyssal peridotites and Os-rich alloys

scholarly article

186Os–187Os systematics of Gorgona Island komatiites: implications for early growth of the inner core

scholarly article

186Os–187Os systematics of Hawaiian picrites

scholarly article

187Os isotopic constraints on Archean mantle dynamics

article

190Pt-186Os and 187Re-187Os systematics of the Sudbury Igneous Complex, Ontario

scholarly article

190Pt–186Os and 187Re–187Os systematics of abyssal peridotites

artículo científico publicado en 2000

A compositionally heterogeneous martian mantle due to late accretion

artículo científico publicado en 2020

Applications of the 190Pt186Os isotope system to geochemistry and cosmochemistry

scholarly article by Richard J. Walker et al published November 1997 in Geochimica et Cosmochimica Acta

Assessment of nebular versus parent body processes on presolar components present in chondrites: Evidence from osmium isotopes

article

Big insights from tiny peridotites: Evidence for persistence of Precambrian lithosphere beneath the eastern North China Craton

article

Carius Tube Digestion for Low-Blank Rhenium-Osmium Analysis

scholarly article by Steven B. Shirey & Richard J. Walker published July 1995 in Analytical Chemistry

Characterization of the dominant impactor signature for Apollo 17 impact melt rocks

article by Miriam Sharp et al published April 2014 in Geochimica et Cosmochimica Acta

Characterizing cosmochemical materials with genetic affinities to the Earth: Genetic and chronological diversity within the IAB iron meteorite complex

Chemical and chronologic complexity in the convecting upper mantle: Evidence from the Taitao ophiolite, southern Chile

article

Chemical heterogeneity in the upper mantle recorded by peridotites and chromitites from the Shetland Ophiolite Complex, Scotland

article

Combined Lithophile-Siderophile Isotopic Constraints on Hadean Processes Preserved in Ocean Island Basalt Sources

artículo científico publicado en 2021

Comparative ReOs, SmNd and RbSr isotope and trace element systematics for Archean komatiite flows from Munro Township, Abitibi Belt, Ontario

Comparative Sr–Nd–Hf–Os–Pb isotope systematics of xenolithic peridotites from Yangyuan, North China Craton: Additional evidence for a Paleoproterozoic age

scholarly article

Confirmation of a meteoritic component in impact-melt rocks of the Chesapeake Bay impact structure, Virginia, USA-Evidence from osmium isotopic and PGE systematics

scholarly article

Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

artículo científico publicado en 2022

Coupled 186 Os and 187 Os Evidence for Core-Mantle Interaction ⬇️

artículo científico publicado el 5 de junio de 1998

Crystallization histories of the group IIF iron meteorites and Eagle Station pallasites

artículo científico publicado en 2020

Determination of mass-dependent molybdenum isotopic variations by MC-ICP-MS: An evaluation of matrix effects

scholarly article

Diachronous decratonization of the Sino-Korean craton: Geochemistry of mantle xenoliths from North Korea

scholarly article by Jin-Hui Yang et al published September 2010 in Geology

Diffusion-driven extreme lithium isotopic fractionation in country rocks of the Tin Mountain pegmatite

article

Diverse impactors in Apollo 15 and 16 impact melt rocks: Evidence from osmium isotopes and highly siderophile elements

article

Does the core leak?

Early formation of evolved asteroidal crust

artículo científico publicado en 2009

Early inner solar system origin for anomalous sulfur isotopes in differentiated protoplanets

artículo científico publicado en 2014

Effects of magma ocean crystallization and overturn on the development of 142 Nd and 182 W isotopic heterogeneities in the primordial mantle

article

Effects of melt percolation on highly siderophile elements and Os isotopes in subcontinental lithospheric mantle: A study of the upper mantle profile beneath Central Europe

scholarly article

Efficient mixing of the solar nebula from uniform Mo isotopic composition of meteorites

artículo científico publicado en 2003

Erratum to “Rhenium–osmium isotopes and platinum-group elements in the Rum Layered Suite, Scotland: Implications for Cr-spinel seam formation and the composition of the Iceland mantle anomaly” [Earth and Planetary Science Letters 286 (2009) 41?

article

Estimation of trace element concentrations in the lunar magma ocean using mineral- and metal-silicate melt partition coefficients

scholarly article

Evidence for homogeneous distribution of osmium in the protosolar nebula

article

Evidence for the early differentiation of the core from Pt–Re–Os isotope systematics of 2.8-Ga komatiites

scholarly article

Evidence of heterogeneous crustal sources: the Harney Peak Granite, South Dakota, U.S.A

article

Evolution of the martian mantle inferred from the 187Re–187Os isotope and highly siderophile element abundance systematics of shergottite meteorites

article

Excess W in IIAB iron meteorites: Identification of cosmogenic, radiogenic, and nucleosynthetic components

scientific article published on 28 September 2018

Extreme persistence of cratonic lithosphere in the southwest Pacific: Paleoproterozoic Os isotopic signatures in Zealandia

artículo científico publicado en 2013

Formation of pyroxenite layers in the Totalp ultramafic massif (Swiss Alps) – Insights from highly siderophile elements and Os isotopes

article

Fractionation of the platinum-group elments and Re during crystallization of basalt in Kilauea Iki Lava Lake, Hawaii

scholarly article

Generations of Melt Extraction, Melt–Rock Interaction and High-Temperature Metasomatism Preserved in Peridotites of the ∼497 Ma Leka Ophiolite Complex, Norway

Genetics, crystallization sequence, and age of the South Byron Trio iron meteorites: New insights to carbonaceous chondrite (CC) type parent bodies

artículo científico publicado en 2019

Geochemical, Isotopic, and SHRIMP Age Data for Precambrian Basement Rocks, Permian Volcanic Rocks, and Sedimentary Host Rocks to the Ore-bearing Intrusions, Noril'sk-Talnakh District, Siberian Russia

scholarly article by Gerald K. Czamanske et al published October 2000 in International Geology Review

Geodynamic implications of ophiolitic chromitites in the La Cabaña ultramafic bodies, Central Chile

article

Heterogeneous delivery of silicate and metal to the Earth by large planetesimals

High closure temperatures of the U-Pb system in large apatites from the Tin Mountain pegmatite, Black Hills, South Dakota, USA

scholarly article

High precision tungsten isotope measurement by thermal ionization mass spectrometry

scholarly article by Mathieu Touboul & Richard J. Walker published January 2012 in International Journal of Mass Spectrometry

High-Precision Tungsten Isotopic Analysis by Multicollection Negative Thermal Ionization Mass Spectrometry Based on Simultaneous Measurement of W and (18)O/(16)O Isotope Ratios for Accurate Fractionation Correction

artículo científico publicado en 2016

High-precision Ru isotopic measurements by multi-collector ICP-MS.

artículo científico publicado en 2002

High-precision analysis of W/W and W/W by negative thermal ionization mass spectrometry: Per-integration oxide corrections using measured O/O

High-precision molybdenum isotope analysis by negative thermal ionization mass spectrometry

article published in 2016

Highly Siderophile Elements in Earth, Mars, the Moon, and Asteroids

artículo científico publicado en 2016

Highly siderophile element and 187 Re‐ 187 Os isotopic systematics of ungrouped achondrite Northwest Africa 7325: Evidence for complex planetary processes

article

Highly siderophile element and 187Os isotope systematics of Hawaiian picrites: Implications for parental melt composition and source heterogeneity

scholarly article

Highly siderophile element depletion in the Moon

scholarly article by James M.D. Day & Richard J. Walker published August 2015 in Earth and Planetary Science Letters

Highly siderophile element geochemistry of peridotites and pyroxenites from Horní Bory, Bohemian Massif: Implications for HSE behaviour in subduction-related upper mantle

scholarly article by Lukáš Ackerman et al published January 2013 in Geochimica et Cosmochimica Acta

Highly siderophile element systematics of the 3.3Ga Weltevreden komatiites, South Africa: Implications for early Earth history

scholarly article by Brian D. Connolly et al published November 2011 in Earth and Planetary Science Letters

Highly siderophile elements and Sr–Nd isotopes in refertilized mantle peridotites — A case study from the Totalp ultramafic body, Swiss Alps

scholarly article

Highly siderophile elements in the Earth, Moon and Mars: Update and implications for planetary accretion and differentiation

Identification of mantle peridotite as a possible Iapetan ophiolite sliver in south Shetland, Scottish Caledonides

article

Implications of 187Os isotopic heterogeneities in a mantle plume: evidence from Gorgona Island and Curaçao

article

In search of extant Tc in the early solar system: 98Ru and 99Ru abundances in iron meteorites and chondrites

scholarly article

In search of late-stage planetary building blocks

scholarly article

Insights into early Earth from the Pt–Re–Os isotope and highly siderophile element abundance systematics of Barberton komatiites

scholarly article

Interpreting ages from Re–Os isotopes in peridotites

Isotopic determinations of rhenium and osmium in meteorites by using fusion, distillation and ion-exchange separations

scholarly article by John W. Morgan & Richard J. Walker published 1989 in Analytica Chimica Acta

Isotopic measurement of subananogram quantities of rhenium and osmium by resonance ionization mass spectrometry

scholarly article by Richard J. Walker & Jack D. Fassett published December 1986 in Analytical Chemistry

Isotopic responses to basaltic injections into silicic magma chambers: a whole-rock and microsampling study of macrorhythmic units in the Pleasant Bay layered gabbro-diorite complex, Maine, USA

article

Late accretion as a natural consequence of planetary growth

Lead isotopic evidence for mixed sources of Proterozoic granites and pegmatites, Black Hills, South Dakota, USA

article

Lithium isotopes in the system Qz-Ms-fluid:An experimental study

scholarly article

Low osmium solubility in silicate at high pressures and temperatures

scholarly article by Tetsuya Yokoyama et al published 30 March 2009 in Earth and Planetary Science Letters

Low-blank chemical separation of rhenium and osmium from gram quantities of silicate rock for measurement by resonance ionization mass spectrometry

scholarly article by Richard J. Walker published June 1988 in Analytical Chemistry

Mantle–crust interactions in a paleosubduction zone: Evidence from highly siderophile element systematics of eclogite and related rocks

article

Mapping lithospheric boundaries using Os isotopes of mantle xenoliths: An example from the North China Craton

article

Measurement of vanadium impurity in oxygen-implanted silicon by isotope dilution and resonance ionization mass spectrometry

artículo científico publicado en 1990

Meter-Scale Chemical and Isotopic Heterogeneities in the Oceanic Mantle, Leka Ophiolite Complex, Norway

artículo científico publicado en 2021

Modeling fractional crystallization of group IVB iron meteorites

scholarly article

Nature of the crust in Maine, USA: evidence from the Sebago batholith

article

Nd, O and Sr isotopic constraints on the origin of Precambrian rocks, Southern Black Hills, South Dakota

article by Richard J. Walker et al published December 1986 in Geochimica et Cosmochimica Acta

Nd, Sr and Pb isotopic and REE geochemical study of some Miocene submarine hydrothermal deposits (Kuroko deposits) in Japan

artículo científico publicado en 2005

New implications for the origin of the IAB main group iron meteorites and the isotopic evolution of the noncarbonaceous (NC) reservoir

artículo científico publicado en 2020

New insights into Mo and Ru isotope variation in the nebula and terrestrial planet accretionary genetics

article

New insights into the Hadean mantle revealed by 182W and highly siderophile element abundances of supracrustal rocks from the Nuvvuagittuq Greenstone Belt, Quebec, Canada

scholarly article

Nucleosynthetic Isotope Variations of Siderophile and Chalcophile Elements in the Solar System.

artículo científico publicado en 2016

Origin and Age of Metal Veins in Canyon Diablo Graphite Nodules

artículo científico publicado en 2020

Origin of Paleoproterozoic Komatiites at Jeesiörova, Kittilä Greenstone Complex, Finnish Lapland

Origin of felsic achondrites Graves Nunataks 06128 and 06129, and ultramafic brachinites and brachinite-like achondrites by partial melting of volatile-rich primitive parent bodies

scholarly article

Origin of the Permian-Triassic komatiites, northwestern Vietnam

scholarly article by Eero Hanski et al published 1 June 2004 in Contributions to Mineralogy and Petrology

Os isotope constraints on the origin of the 2.7 Ga Boston Creek Flow, Ontario, Canada

scholarly article

Osmium Isotopes Demonstrate Distal Transport of Contaminated Sediments in Chesapeake Bay

scholarly article by George R. Helz et al published June 2000 in Environmental Science & Technology

Osmium isotope and highly siderophile element systematics of lunar impact melt breccias: Implications for the late accretion history of the Moon and Earth

scholarly article by Igor S. Puchtel et al published June 2008 in Geochimica et Cosmochimica Acta

Osmium isotope and highly siderophile element systematics of the lunar crust

scholarly article by James M.D. Day et al published January 2010 in Earth and Planetary Science Letters

Osmium isotope anomalies in chondrites: Results for acid residues and related leachates

scholarly article by Tetsuya Yokoyama et al published March 2010 in Earth and Planetary Science Letters

Osmium isotope evidence for uniform distribution of s- and r-process components in the early solar system

scholarly article by Tetsuya Yokoyama et al published July 2007 in Earth and Planetary Science Letters

Osmium isotopic compositions of mantle xenoliths: a global perspective

article

Osmium isotopic constraints on the age of lithospheric mantle beneath northeastern China

scholarly article

Osmium-187 Enrichment in Some Plumes: Evidence for Core-Mantle Interaction?

artículo científico publicado en 1995

Os–Pb–Nd isotope and highly siderophile and lithophile trace element systematics of komatiitic rocks from the Volotsk suite, SE Baltic Shield

article by Igor S. Puchtel et al published September 2007 in Precambrian Research

Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2

artículo científico publicado en 2022

Pb and Os isotopic constraints on the composition and rheology of the lower crust

article

Petrology and geochemistry of Yamato 984028: a cumulate lherzolitic shergottite with affinities to Y 000027, Y 000047, and Y 000097

scholarly article by Amy J.V. Riches et al published January 2011 in Polar Science

Planetary-Scale Strontium Isotopic Heterogeneity and the Age of Volatile Depletion of Early Solar System Materials ⬇️

artículo científico publicado en 2012

Platinum-group element abundances and Re–Os isotopic systematics of the upper continental crust through time: Evidence from glacial diamictites

scholarly article

Preservation of Earth-forming events in the tungsten isotopic composition of modern flood basalts

artículo científico publicado en 2016

Presolar Stardust in Asteroid Ryugu

artículo científico publicado en 2022

Processes controlling highly siderophile element fractionations in xenolithic peridotites and their influence on Os isotopes

Protracted core formation and rapid accretion of protoplanets

artículo científico publicado en 2014

Radar-enabled recovery of the Sutter's Mill meteorite, a carbonaceous chondrite regolith breccia

artículo científico publicado en 2012

Rapid effects of terrestrial alteration on highly siderophile elements in the Sutter's Mill meteorite

artículo científico publicado en 2018

Re-Os systematics of early proterozoic ferropicrites, Pechenga Complex, northwestern Russia: Evidence for ancient 187Os-enriched plumes

scholarly article by Richard J. Walker et al published August 1997 in Geochimica et Cosmochimica Acta

Re-Os systematics of komatiites and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history and implications of a late-Archean chondritic mantle source

article

Re-Os, Rb-Sr, and O isotopic systematics of the Archean Kolar schist belt, Karnataka, India

article by Richard J. Walker et al published November 1989 in Geochimica et Cosmochimica Acta

Reaction rind formation in the Catalina Schist: Deciphering a history of mechanical mixing and metasomatic alteration

scholarly article

Recycling deep cratonic lithosphere and generation of intraplate magmatism in the North China Craton

article

Refertilization of Jurassic oceanic peridotites from the Tethys Ocean — Implications for the Re–Os systematics of the upper mantle

article

Refinement of high precision Ru isotope analysis using negative thermal ionization mass spectrometry

artículo científico publicado en 2016

Re–Os age constraints and new observations of Proterozoic glacial deposits in the Vazante Group, Brazil ⬇️

article

Re–Os evidence for the age and origin of peridotites from the Dabie–Sulu ultrahigh pressure metamorphic belt, China

scholarly article

Re–Os isotope and highly siderophile element systematics of the Paraná continental flood basalts (Brazil)

article

Re–Os isotope systematics and HSE abundances of the 3.5 Ga Schapenburg komatiites, South Africa: Hydrous melting or prolonged survival of primordial heterogeneities in the mantle?

scholarly article

Re–Os isotope systematics of mantle xenoliths from South Korea: Evidence for complex growth and loss of lithospheric mantle beneath East Asia

scholarly article

Re–Os isotopic constraints on magma mixing in the Peridotite Zone of the Stillwater Complex, Montana, USA

artículo científico publicado en 2001

Re–Os isotopic systematics of primitive lavas from the Lassen region of the Cascade arc, California

scholarly article

Re–Os isotopic systematics of the 1.95 Ga Jormua Ophiolite Complex, northeastern Finland

scholarly article

Re–Os systematics of the ca. 2.7-Ga komatiites from Alexo, Ontario, Canada

scholarly article

Rhenium-Osmium Isotope Constraints on the Age of Iron Meteorites

scientific article published in Science

Rhenium-Osmium Isotope Systematics of Carbonaceous Chondrites

artículo científico publicado en 1989

Rhenium-Osmium and Samarium-Neodymium Isotopic Systematics of the Stillwater Complex

scientific article published in Science

Rhenium-osmium isotope systematics in meteorites I: Magmatic iron meteorite groups IIAB and IIIAB

scholarly article by John W. Morgan et al published February 1992 in Earth and Planetary Science Letters

Rhenium-osmium systematics of calcium-aluminium-rich inclusions in carbonaceous chondrites

scholarly article by Harry Becker et al published October 2001 in Geochimica et Cosmochimica Acta

Rheniumum concentration and isotope systematics in group IIAB iron meteorites

scholarly article

Rhenium–osmium isotope and highly-siderophile-element abundance systematics of angrite meteorites

scholarly article by Amy J.V. Riches et al published November 2012 in Earth and Planetary Science Letters

Rhenium–osmium isotopes and platinum-group elements in the Rum Layered Suite, Scotland: Implications for Cr-spinel seam formation and the composition of the Iceland mantle anomaly

article

Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System

artículo científico publicado en 2022

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

artículo científico publicado en 2022

Siderophile Elements in Tracing Planetary Formation and Evolution

Siderophile element constraints on the origin of the Moon

artículo científico publicado en 2014

Siderophile element constraints on the thermal history of the H chondrite parent body

scholarly article

Siderophile element systematics of IAB complex iron meteorites: New insights into the formation of an enigmatic group

scholarly article

Significance of the Norumbega fault zone in southwestern Maine: Clues from the geochemistry of granitic rocks

scholarly article by Paul B. Tomascak et al published 1999 in Norumbega Fault System of the Northern Appalachians

Simplified mantle architecture and distribution of radiogenic power

scholarly article

Size of the group IVA iron meteorite core: Constraints from the age and composition of Muonionalusta

article

Sources of osmium to the modern oceans: new evidence from the 190Pt-186Os system

scholarly article by Diane K. McDaniel et al published March 2004 in Geochimica et Cosmochimica Acta

Stochastic late accretion to Earth, the Moon, and Mars

artículo científico publicado en 2010

Temporal Evolution of the Lithospheric Mantle beneath the Eastern North China Craton

article

The Os isotopic composition of Proterozoic upper mantle: evidence for chondritic upper mantle from the Outokumpu ophiolite, Finland

article

The Re-Os Isotope System in Cosmochemistry and High-Temperature Geochemistry

scholarly article

The absence of lithium isotope fractionation during basalt differentiation: new measurements by multicollector sector ICP-MS

scholarly article

The analysis of seawater osmium

scholarly article by Min Koide et al published January 1996 in Deep-Sea Research. Part 2: Topical Studies in Oceanography

The chemical-temporal evolution of lithospheric mantle underlying the North China Craton

article

The coupled182W-142Nd record of early terrestrial mantle differentiation

scholarly article

The debate over core–mantle interaction

The extraterrestrial wedding ring

artículo científico publicado en 2000

The origin of the unique achondrite Northwest Africa 6704: Constraints from petrology, chemistry and Re–Os, O and Ti isotope systematics

scientific article published on 09 May 2018

The osmium isotopic composition of convecting upper mantle deduced from ophiolite chromites

article

The ruthenium isotopic composition of the oceanic mantle

article

Trace element constraints on pegmatite genesis: Tin Mountain pegmatite, Black Hills, South Dakota

scholarly article by Richard J. Walker et al published March 1989 in Contributions to Mineralogy and Petrology

Tungsten Isotope Composition of Archean Crustal Reservoirs and Implications for Terrestrial μ182W Evolution

artículo científico publicado en 2020

Tungsten Isotopes in Planets

scholarly article by Thorsten Kleine & Richard J. Walker published August 2017 in Annual Review of Earth and Planetary Sciences

Tungsten in Hawaiian picrites: A compositional model for the sources of Hawaiian lavas

article

Tungsten isotopic evidence for disproportional late accretion to the Earth and Moon

artículo científico

Tungsten-182 evidence for an ancient kimberlite source

artículo científico publicado en 2021

Tungsten-182 heterogeneity in modern ocean island basalts

artículo científico publicado en 2017

U-Pb Monazite Geochronology of Granitic Rocks from Maine: Implications for Late Paleozoic Tectonics in the Northern Appalachians

scholarly article by Paul B. Tomascak et al published March 1996 in The Journal of Geology

Ultra-depleted 2.05 Ga komatiites of Finnish Lapland: Products of grainy late accretion or core-mantle interaction?

scholarly article

Use of Hydrofluoric Acid Desilicification in the Determination of Highly Siderophile Element Abundances and Re-Pt-Os Isotope Systematics in Mafic-Ultramafic Rocks

article by James M.D. Day et al published 23 June 2015 in Geostandards and Geoanalytical Research

Widespread tungsten isotope anomalies and W mobility in crustal and mantle rocks of the Eoarchean Saglek Block, northern Labrador, Canada: Implications for early Earth processes and W recycling

article

Dominio Público Uruguay está sostenido por:

Acerca de Dominio Público Uruguay

Ayuda