R. J. Walker - Concepedia

Author

R. J. Walker

University of Maryland, College Park ORCID

Also Known As

Bengt Hultqvist, R. J. WALKER, R. J. Walker, R. Walker, R.J Walker, R.J. Walker, RICHARD J. WALKER, Richard J Walker, Richard J. Walker, Richard Walker

668

Publications

27.5K

Citations

H-Index

135

Concepts

All Affiliations

University of Maryland, College Park Carnegie Institution for Science Planetary Science Institute United States Geological Survey Centre National de la Recherche Scientifique

About

R. J. Walker is an author at University of Maryland, College Park specializing in engineering, geochemistry, and geology.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	83	186	22.1K
2	Natural Sciences	14	14	1.3K
3	Medicine	6	6	175
4	Language Studies	2	2	219
5	Applied Physics	2	2	439

R. J. Walker

250

Publications

26.7K

Citations

H-Index

Page 1

	Year	Citations
Re-Os Ages of Group IIA, IIIA, IVA, and IVB Iron Meteorites M. I. Smoliar, R. J. Walker, John W. Morgan Science Isotope AnalysisRe-os AgesEngineeringRhenium/osmium RatioGroup Iia	1996	1.3K
THE R<scp>e</scp>-O<scp>s</scp>ISOTOPE SYSTEM IN COSMOCHEMISTRY AND HIGH-TEMPERATURE GEOCHEMISTRY Steven B. Shirey, R. J. Walker Annual Review of Earth and Planetary Sciences EngineeringSolar System EvolutionEarth ScienceRe-os Isotope SytemGeochronology	1998	950
Carius Tube Digestion for Low-Blank Rhenium-Osmium Analysis Steven B. Shirey, R. J. Walker Analytical Chemistry AltmetricsEngineeringInformationDatabasesMass Spectrometry	1995	904
Os, Sr, Nd, and Pb isotope systematics of southern African peridotite xenoliths: Implications for the chemical evolution of subcontinental mantle R. J. Walker, Richard W. Carlson, Steven B. Shirey, Geochimica et Cosmochimica Acta Earth ScienceEngineeringIgneous PetrogenesisGeologyGeochemistry	1989	712
Osmium isotopic compositions of mantle xenoliths: a global perspective Thomas Meisel, R. J. Walker, Anthony J. Irving, Geochimica et Cosmochimica Acta GeochemistryOsmium Isotopic CompositionsMantle Geochemistry	2001	687
Destruction of the North China Craton in the Mesozoic Fu‐Yuan Wu, Jin‐Hui Yang, Yi‐Gang Xu, Annual Review of Earth and Planetary Sciences OrogenyEarth ScienceEngineeringStructural GeologyEast Asian Studies	2018	666
Highly siderophile element composition of the Earth’s primitive upper mantle: Constraints from new data on peridotite massifs and xenoliths Harry Becker, M. F. Horan, R. J. Walker, Geochimica et Cosmochimica Acta EngineeringPeridotite MassifsGeologyEarth SciencesGeochemistry	2006	584
Recycling deep cratonic lithosphere and generation of intraplate magmatism in the North China Craton Shan Gao, Roberta L. Rudnick, Wen‐Liang Xu, Earth and Planetary Science Letters Magmatic ProcessVolcanologyEngineeringMagmatismIgneous Petrogenesis	2008	469
The osmium isotopic composition of the Earth's primitive upper mantle Thomas Meisel, R. J. Walker, J. W. Morgan Nature EngineeringMantle DynamicGeologyEarth SciencesGeochemistry	1996	386
Call for an improved set of decay constants for geochronological use F. Begemann, K. R. Ludwig, G. W. Lugmair, Geochimica et Cosmochimica Acta Nuclear DecayDouble Beta DecayGeochronological UseEngineeringPhysics	2001	367

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