Meenakshi Wadhwa

Center Dir (ACD) & Professor

  • 3942 Citations
  • 35 h-Index
1993 …2020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Filter
Article
2020

Magnesium isotope analysis of olivine and pyroxene by SIMS: Evaluation of matrix effects

Fukuda, K., Beard, B. L., Dunlap, D. R., Spicuzza, M. J., Fournelle, J. H., Wadhwa, M. & Kita, N. T., May 5 2020, In : Chemical Geology. 540, 119482.

Research output: Contribution to journalArticle

Magnesium isotopes of the bulk solar wind from Genesis diamond-like carbon films

Jurewicz, A. J. G., Rieck, K. D., Hervig, R., Burnett, D. S., Wadhwa, M., Olinger, C. T., Wiens, R. C., Laming, J. M., Guan, Y., Huss, G. R., Reisenfeld, D. B. & Williams, P., Feb 1 2020, In : Meteoritics and Planetary Science. 55, 2, p. 352-375 24 p.

Research output: Contribution to journalArticle

Open Access
1 Scopus citations
2019

Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions

Shollenberger, Q. R., Wittke, A., Render, J., Mane, P., Schuth, S., Weyer, S., Gussone, N., Wadhwa, M. & Brennecka, G. A., Oct 15 2019, In : Geochimica et Cosmochimica Acta. 263, p. 215-234 20 p.

Research output: Contribution to journalArticle

1 Scopus citations

Petrology and geochemistry of olivine-phyric shergottites LAR 12095 and LAR 12240: Implications for their petrogenetic history on Mars

Dunham, E. T., Balta, J. B., Wadhwa, M., Sharp, T. & McSween, H. Y., Apr 2019, In : Meteoritics and Planetary Science. 54, 4, p. 811-835 25 p.

Research output: Contribution to journalArticle

Open Access
1 Scopus citations

Titanium isotope signatures of calcium-aluminum-rich inclusions from CV and CK chondrites: Implications for early Solar System reservoirs and mixing

Torrano, Z. A., Brennecka, G. A., Williams, C. D., Romaniello, S. J., Rai, V. K., Hines, R. R. & Wadhwa, M., Oct 15 2019, In : Geochimica et Cosmochimica Acta. 263, p. 13-30 18 p.

Research output: Contribution to journalArticle

2018

Silica-rich volcanism in the early solar system dated at 4.565 Ga

Srinivasan, P., Dunlap, D. R., Agee, C. B., Wadhwa, M., Coleff, D., Ziegler, K., Zeigler, R. & McCubbin, F. M., Dec 1 2018, In : Nature Communications. 9, 1, 3036.

Research output: Contribution to journalArticle

9 Scopus citations

Terrestrial exposure of a fresh Martian meteorite causes rapid changes in hydrogen isotopes and water concentrations

Stephant, A., Garvie, L., Mane, P., Hervig, R. & Wadhwa, M., Dec 1 2018, In : Scientific reports. 8, 1, 12385.

Research output: Contribution to journalArticle

5 Scopus citations
2017

A renewed search for short-lived 126Sn in the early Solar System: Hydride generation MC-ICPMS for high sensitivity Te isotopic analysis

Brennecka, G. A., Borg, L. E., Romaniello, S. J., Souders, A. K., Shollenberger, Q. R., Marks, N. E. & Wadhwa, M., Mar 15 2017, In : Geochimica et Cosmochimica Acta. 201, p. 331-344 14 p.

Research output: Contribution to journalArticle

14 Scopus citations

Northwest Africa 5790: A previously unsampled portion of the upper part of the nakhlite pile

Brian Balta, J., Sanborn, M. E., Mayne, R. G., Wadhwa, M., McSween, H. Y. & Crossley, S. D., Jan 1 2017, In : Meteoritics and Planetary Science. 52, 1, p. 36-59 24 p.

Research output: Contribution to journalArticle

6 Scopus citations

Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part II – Laboratory evaporation of potential CMS-1 precursor material

Mendybaev, R. A., Williams, C. D., Spicuzza, M. J., Richter, F. M., Valley, J. W., Fedkin, A. V. & Wadhwa, M., Mar 15 2017, In : Geochimica et Cosmochimica Acta. 201, p. 49-64 16 p.

Research output: Contribution to journalArticle

9 Scopus citations
2016

Hydrogen isotopic composition of the Martian mantle inferred from the newest Martian meteorite fall, Tissint

Mane, P., Hervig, R., Wadhwa, M., Garvie, L., Balta, J. B. & Mcsween, H. Y., Nov 1 2016, In : Meteoritics and Planetary Science. 51, 11, p. 2073-2091 19 p.

Research output: Contribution to journalArticle

15 Scopus citations

Precise titanium isotope compositions of refractory inclusions in the Allende CV3 chondrite by LA-MC-ICPMS

Williams, C. D., Janney, P. E., Hines, R. R. & Wadhwa, M., Oct 15 2016, In : Chemical Geology. 436, p. 1-10 10 p.

Research output: Contribution to journalArticle

20 Scopus citations

Thermal and chemical evolution in the early solar system as recorded by FUN CAIs: Part I - Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1

Williams, C. D., Ushikubo, T., Bullock, E. S., Janney, P. E., Hines, R. R., Kita, N. T., Hervig, R., MacPherson, G. J., Mendybaev, R. A., Richter, F. M. & Wadhwa, M., Apr 7 2016, (Accepted/In press) In : Geochimica et Cosmochimica Acta.

Research output: Contribution to journalArticle

9 Scopus citations
2015

147,146Sm-143,142Nd, 176Lu-176Hf, and 87Rb-87Sr systematics in the angrites: Implications for chronology and processes on the angrite parent body

Sanborn, M. E., Carlson, R. W. & Wadhwa, M., Dec 15 2015, In : Geochimica et Cosmochimica Acta. 171, p. 80-99 20 p., 9422.

Research output: Contribution to journalArticle

19 Scopus citations

Geochemistry and chronology of the bunburra rockhole ungrouped achondrite

Spivak-Birndorf, L. J., Bouvier, A., Benedix, G. K., Hammond, S., Brennecka, G. A., Howard, K., Rogers, N., Wadhwa, M., Bland, P. A., Spurný, P. & Towner, M. C., May 1 2015, In : Meteoritics and Planetary Science. 50, 5, p. 958-975 18 p.

Research output: Contribution to journalArticle

2 Scopus citations

Isotopic mass fractionation laws for magnesium and their effects on 26Al–26Mg systematics in solar system materials

Davis, A. M., Richter, F. M., Mendybaev, R. A., Janney, P. E., Wadhwa, M. & McKeegan, K. D., Jun 1 2015, In : Geochimica et Cosmochimica Acta. 158, p. 245-261 17 p.

Research output: Contribution to journalArticle

40 Scopus citations
25 Scopus citations

Petrology and trace element geochemistry of Tissint, the newest shergottite fall

Balta, J. B., Sanborn, M. E., Udry, A., Wadhwa, M. & Mcsween, H. Y., Jan 1 2015, In : Meteoritics and Planetary Science. 50, 1, p. 63-85 23 p.

Research output: Contribution to journalArticle

35 Scopus citations

The uranium isotopic composition of the Earth and the Solar System

Goldmann, A., Brennecka, G., Noordmann, J., Weyer, S. & Wadhwa, M., Jan 1 2015, In : Geochimica et Cosmochimica Acta. 148, p. 145-158 14 p.

Research output: Contribution to journalArticle

54 Scopus citations
2014

Insights into the Martian mantle: The age and isotopics of the meteorite fall Tissint

Brennecka, G. A., Borg, L. E. & Wadhwa, M., Mar 2014, In : Meteoritics and Planetary Science. 49, 3, p. 412-418 7 p.

Research output: Contribution to journalArticle

35 Scopus citations

Metamorphosed calcium-aluminum-rich inclusions in CK carbonaceous chondrites

Chaumard, N., Devouard, B., Bouvier, A. & Wadhwa, M., Mar 2014, In : Meteoritics and Planetary Science. 49, 3, p. 419-452 34 p.

Research output: Contribution to journalArticle

14 Scopus citations
2013

Evidence for supernova injection into the solar nebula and the decoupling of r-process nucleosynthesis

Brennecka, G. A., Borg, L. E. & Wadhwa, M., Oct 22 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 43, p. 17241-17246 6 p.

Research output: Contribution to journalArticle

53 Scopus citations

Magmatic history and parental melt composition of olivine-phyric shergottite LAR 06319: Importance of magmatic degassing and olivine antecrysts in Martian magmatism

Balta, J. B., Sanborn, M., McSween, H. Y. & Wadhwa, M., Aug 1 2013, In : Meteoritics and Planetary Science. 48, 8, p. 1359-1382 24 p.

Research output: Contribution to journalArticle

26 Scopus citations

Magnesium isotopic fractionation in chondrules from the Murchison and Murray CM2 carbonaceous chondrites

Bouvier, A., Wadhwa, M., Simon, S. B. & Grossman, L., Mar 1 2013, In : Meteoritics and Planetary Science. 48, 3, p. 339-353 15 p.

Research output: Contribution to journalArticle

16 Scopus citations
2012
100 Scopus citations
2011

Matrix effects in the analysis of Mg and Si isotope ratios in natural and synthetic glasses by laser ablation-multicollector ICPMS: A comparison of single- and double-focusing mass spectrometers

Janney, P. E., Richter, F. M., Mendybaev, R. A., Wadhwa, M., Georg, R. B., Watson, E. B. & Hines, R. R., Feb 2 2011, In : Chemical Geology. 281, 1-2, p. 26-40 15 p.

Research output: Contribution to journalArticle

28 Scopus citations

New constraints on early Solar System chronology from Al-Mg and U-Pb isotope systematics in the unique basaltic achondrite Northwest Africa 2976

Bouvier, A., Spivak-Birndorf, L. J., Brennecka, G. A. & Wadhwa, M., Sep 15 2011, In : Geochimica et Cosmochimica Acta. 75, 18, p. 5310-5323 14 p.

Research output: Contribution to journalArticle

50 Scopus citations
2010

238U/235U variations in meteorites: Extant 247Cm and implications for Pb-Pb dating

Brennecka, G. A., Weyer, S., Wadhwa, M., Janney, P. E., Zipfel, J. & Anbar, A., Jan 22 2010, In : Science. 327, 5964, p. 449-451 3 p.

Research output: Contribution to journalArticle

117 Scopus citations

Early solar nebula condensates with canonical, not supracanonical, initial 26Al/27Al ratios

MacPherson, G. J., Bullock, E. S., Janney, P. E., Kita, N. T., Ushikubo, T., Davis, A. M., Wadhwa, M. & Krot, A. N., 2010, In : Astrophysical Journal Letters. 711, 2 PART 2, p. L117-L121

Research output: Contribution to journalArticle

48 Scopus citations

Non-basaltic asteroidal magmatism during the earliest stages of solar system evolution: A view from Antarctic achondrites Graves Nunatak 06128 and 06129

Shearer, C. K., Burger, P. V., Neal, C., Sharp, Z., Spivak-Birndorf, L., Borg, L., Fernandes, V. A., Papike, J. J., Karner, J., Wadhwa, M., Gaffney, A., Shafer, J., Geissman, J., Atudorei, N. V., Herd, C., Weiss, B. P., King, P. L., Crowther, S. A. & Gilmour, J. D., Feb 1 2010, In : Geochimica et Cosmochimica Acta. 74, 3, p. 1172-1199 28 p.

Research output: Contribution to journalArticle

42 Scopus citations

Petrology and trace element geochemistry of Robert Massif 04261 and 04262 meteorites, the first examples of geochemically enriched lherzolitic shergottites

Usui, T., Sanborn, M., Wadhwa, M. & McSween, H. Y., Dec 15 2010, In : Geochimica et Cosmochimica Acta. 74, 24, p. 7283-7306 24 p.

Research output: Contribution to journalArticle

38 Scopus citations

The age of the Solar System redefined by the oldest Pb-b age of a meteoritic inclusion

Bouvier, A. & Wadhwa, M., Sep 1 2010, In : Nature Geoscience. 3, 9, p. 637-641 5 p.

Research output: Contribution to journalArticle

209 Scopus citations
2009

26Al-26Mg systematics in D'Orbigny and Sahara 99555 angrites: Implications for high-resolution chronology using extinct chronometers

Spivak-Birndorf, L., Wadhwa, M. & Janney, P., Sep 1 2009, In : Geochimica et Cosmochimica Acta. 73, 17, p. 5202-5211 10 p.

Research output: Contribution to journalArticle

52 Scopus citations

Ancient relative and absolute ages for a basaltic meteorite: Implications for timescales of planetesimal accretion and differentiation

Wadhwa, M., Amelin, Y., Bogdanovski, O., Shukolyukov, A., Lugmair, G. W. & Janney, P., Sep 1 2009, In : Geochimica et Cosmochimica Acta. 73, 17, p. 5189-5201 13 p.

Research output: Contribution to journalArticle

47 Scopus citations
2008

A unique glimpse into asteroidal melting processes in the early solar system from the Graves Nunatak 06128/06129 achondrites

Shearer, C. K., Burger, P. V., Neal, C. R., Sharp, Z., Borg, L. E., Spivak-Birndorf, L., Wadhwa, M., Papike, J. J., Karner, J. M., Gaffney, A. M., Shafer, J., Weiss, B. P., Geissman, J. & Fernandes, V. A., Nov 1 2008, In : American Mineralogist. 93, 11-12, p. 1937-1940 4 p.

Research output: Contribution to journalArticle

19 Scopus citations

Iron 60 evidence for early injection and efficient mixing of stellar debris in the protosolar nebula

Dauphas, N., Cook, D. L., Sacarabany, A., Fröhlich, C., Davis, A. M., Wadhwa, M., Pourmand, A., Rauscher, T. & Gallino, R., Oct 10 2008, In : Astrophysical Journal. 686, 1, p. 560-569 10 p.

Research output: Contribution to journalArticle

79 Scopus citations

Nickel isotopic anomalies in troilite from iron meteorites

Cook, D. L., Clayton, R. N., Wadhwa, M., Janney, P. E. & Davis, A. M., Jan 16 2008, In : Geophysical Research Letters. 35, 1, L01203.

Research output: Contribution to journalArticle

17 Scopus citations

Rapid accretion and differentiation of iron meteorite parent bodies inferred from 182Hf-182W chronometry and thermal modeling

Qin, L., Dauphas, N., Wadhwa, M., Masarik, J. & Janney, P. E., Aug 30 2008, In : Earth and Planetary Science Letters. 273, 1-2, p. 94-104 11 p.

Research output: Contribution to journalArticle

96 Scopus citations

Tungsten nuclear anomalies in planetesimal cores

Qin, L., Dauphas, N., Wadhwa, M., Markowski, A., Gallino, R., Janney, P. E. & Bouman, C., Feb 20 2008, In : Astrophysical Journal. 674, 2, p. 1234-1241 8 p.

Research output: Contribution to journalArticle

67 Scopus citations
2007

Analytical developments for high-precision measurements of W isotopes in iron meteorites

Qin, L., Dauphas, N., Janney, P. E. & Wadhwa, M., Apr 15 2007, In : Analytical chemistry. 79, 8, p. 3148-3154 7 p.

Research output: Contribution to journalArticle

13 Scopus citations

Elemental and isotopic fractionation of Type B CAI-like liquids by evaporation

Richter, F. M., Janney, P. E., Mendybaev, R. A., Davis, A. M. & Wadhwa, M., Nov 15 2007, In : Geochimica et Cosmochimica Acta. 71, 22, p. 5544-5564 21 p.

Research output: Contribution to journalArticle

84 Scopus citations
248 Scopus citations

Iron isotope, major and trace element characterization of early Archean supracrustal rocks from SW Greenland: Protolith identification and metamorphic overprint

Dauphas, N., van Zuilen, M., Busigny, V., Lepland, A., Wadhwa, M. & Janney, P. E., Oct 1 2007, In : Geochimica et Cosmochimica Acta. 71, 19, p. 4745-4770 26 p.

Research output: Contribution to journalArticle

55 Scopus citations

Mass-dependent fractionation of nickel isotopes in meteoritic metal

Cook, D. L., Wadhwa, M., Clayton, R. N., Dauphas, N., Janney, P. E. & Davis, A. M., Dec 2007, In : Meteoritics and Planetary Science. 42, 12, p. 2067-2077 11 p.

Research output: Contribution to journalArticle

25 Scopus citations
2006

Formation of vesicles in asteroidal basaltic meteorites

McCoy, T. J., Ketcham, R. A., Wilson, L., Benedix, G. K., Wadhwa, M. & Davis, A. M., Jun 15 2006, In : Earth and Planetary Science Letters. 246, 1-2, p. 102-108 7 p.

Research output: Contribution to journalArticle

29 Scopus citations

High precision measurements of non-mass-dependent effects in nickel isotopes in meteoritic metal via multicollector ICPMS

Cook, D. L., Wadhwa, M., Janney, P. E., Dauphas, N., Clayton, R. N. & Devis, A. M., Dec 15 2006, In : Analytical chemistry. 78, 24, p. 8477-8484 8 p.

Research output: Contribution to journalArticle

23 Scopus citations

Petrography and geochemistry of the chassignite Northwest Africa 2737 (NWA 2737)

Beck, P., Barrat, J. A., Gillet, P., Wadhwa, M., Franchi, I. A., Greenwood, R. C., Bohn, M., Cotten, J., van de Moortèle, B. & Reynard, B., Apr 15 2006, In : Geochimica et Cosmochimica Acta. 70, 8, p. 2127-2139 13 p.

Research output: Contribution to journalArticle

62 Scopus citations
2005

The early differentiation history of Mars from 182W-142Nd isotope systematics in the SNC meteorites

Foley, C. N., Wadhwa, M., Borg, L. E., Janney, P. E., Hines, R. & Grove, T. L., Sep 15 2005, In : Geochimica et Cosmochimica Acta. 69, 18, p. 4557-4571 15 p.

Research output: Contribution to journalArticle

136 Scopus citations
2004

Clues from Fe isotope variations on the origin of early Archean BIFs from Greenland

Dauphas, N., Van Zuilen, M., Wadhwa, M., Davis, A. M., Marty, B. & Janney, P. E., Dec 17 2004, In : Science. 306, 5704, p. 2077-2080 4 p.

Research output: Contribution to journalArticle

186 Scopus citations

Hromatographic separation and multicollection-ICPMS analysis of iron. Investigating mass-dependent and -independent isotope effects

Dauphas, N., Janney, P. E., Mendybaev, R. A., Wadhwa, M., Richter, F. M., Davis, A. M., Van Zuilen, M., Hines, R. & Foley, C. N., Oct 1 2004, In : Analytical chemistry. 76, 19, p. 5855-5863 9 p.

Research output: Contribution to journalArticle

102 Scopus citations