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Richard J. Walker
Richard J. Walker
Department of Geology, University of Maryland
Adresse e-mail validée de umd.edu - Page d'accueil
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Re-Os ages of group IIA, IIIA, IVA, and IVB iron meteorites
MI Smoliar, RJ Walker, JW Morgan
Science 271, 1099-1102, 1996
15571996
Carius tube digestion for low-blank rhenium-osmium analysis
SB Shirey, RJ Walker
Analytical Chemistry 67 (13), 2136-2141, 1995
12421995
THE Re-Os ISOTOPE SYSTEM IN COSMOCHEMISTRY AND HIGH-TEMPERATURE GEOCHEMISTRY
SB Shirey, RJ Walker
Annual Review of Earth and Planetary Sciences 26 (1), 423-500, 1998
11541998
Os, Sr, Nd, and Pb isotope systematics of southern African peridotite xenoliths: implications for the chemical evolution of subcontinental mantle
RJ Walker, RW Carlson, SB Shirey, FR Boyd
Geochimica et Cosmochimica Acta 53 (7), 1583-1595, 1989
8201989
Osmium isotopic compositions of mantle xenoliths: a global perspective
T Meisel, RJ Walker, AJ Irving, JP Lorand
Geochimica et Cosmochimica Acta 65 (8), 1311-1323, 2001
7302001
Highly siderophile element composition of the Earth’s primitive upper mantle: constraints from new data on peridotite massifs and xenoliths
H Becker, MF Horan, RJ Walker, S Gao, JP Lorand, RL Rudnick
Geochimica et Cosmochimica Acta 70 (17), 4528-4550, 2006
6062006
Recycling deep cratonic lithosphere and generation of intraplate magmatism in the North China Craton
S Gao, RL Rudnick, WL Xu, HL Yuan, YS Liu, RJ Walker, IS Puchtel, X Liu, ...
Earth and Planetary Science Letters 270 (1-2), 41-53, 2008
5452008
Destruction of the North China craton in the Mesozoic
FY Wu, JH Yang, YG Xu, SA Wilde, RJ Walker
Annual review of earth and planetary sciences 47, 173-195, 2019
5052019
Osmium isotopic constraints on the age of lithospheric mantle beneath northeastern China
F Wu, RJ Walker, X Ren, D Sun, X Zhou
Chemical Geology 196 (1-4), 107-129, 2003
4302003
The osmium isotopic composition of the Earth's primitive upper mantle
T Meisel, RJ Walker, JW Morgan
Nature 383 (6600), 517-520, 1996
4281996
Call for an improved set of decay constants for geochronological use
F Begemann, KR Ludwig, GW Lugmair, K Min, LE Nyquist, PJ Patchett, ...
Geochimica et Cosmochimica Acta 65 (1), 111-121, 2001
3992001
The chemical-temporal evolution of lithospheric mantle underlying the North China Craton
FY Wu, RJ Walker, YH Yang, HL Yuan, JH Yang
Geochimica et Cosmochimica Acta 70 (19), 5013-5034, 2006
3892006
190Pt–186Os and 187Re–187Os systematics of abyssal peridotites
AD Brandon, JE Snow, RJ Walker, JW Morgan, TD Mock
Earth and Planetary Science Letters 177 (3-4), 319-335, 2000
3232000
Highly siderophile elements in chondrites
MF Horan, RJ Walker, JW Morgan, JN Grossman, AE Rubin
Chemical Geology 196 (1-4), 27-42, 2003
3222003
Coupled 186Os and 187Os evidence for core-mantle interaction
AD Brandon, RJ Walker, JW Morgan, MD Norman, HM Prichard
Science 280 (5369), 1570-1573, 1998
3131998
The absence of lithium isotope fractionation during basalt differentiation: new measurements by multicollector sector ICP-MS
PB Tomascak, F Tera, RT Helz, RJ Walker
Geochimica et Cosmochimica Acta 63 (6), 907-910, 1999
3061999
Highly siderophile elements in the Earth, Moon and Mars: update and implications for planetary accretion and differentiation
RJ Walker
Geochemistry 69 (2), 101-125, 2009
3052009
Comparative 187Re-187Os systematics of chondrites: Implications regarding early solar system processes
RJ Walker, MF Horan, JW Morgan, H Becker, JN Grossman, AE Rubin
Geochimica et Cosmochimica Acta 66 (23), 4187-4201, 2002
2962002
Re-Os isotopic evidence for an enriched-mantle source for the Noril'sk-type, ore-bearing intrusions, Siberia
RJ Walker, JW Morgan, MF Horan, GK Czamanske, EJ Krogstad, ...
Geochimica et Cosmochimica Acta 58 (19), 4179-4197, 1994
2951994
The osmium isotopic composition of convecting upper mantle deduced from ophiolite chromites
RJ Walker, HM Prichard, A Ishiwatari, M Pimentel
Geochimica et Cosmochimica Acta 66 (2), 329-345, 2002
2782002
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