Insights into the petrogenetic history of the Northwest Africa 7635 augite-rich shergottite
Christopher D. K. Herd MAPSVersion of Record online: 04 December 2022 LINK “The petrogenesis of the Northwest Africa (NWA) 7635 Martian meteorite involved the entrainment of xenocrystic olivine grains into a relatively magnesian and oxidized…
What Have We Learned About the Interior and Surface of Mars from Martian Meteorites
Udry A., Howarth G. H., Herd C. D. K., Day J. M. D., Lapen T. K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1046 PDF “Martian meteorites are the only samples that…
Hydrous olivine alteration on Mars and Earth
Zoltán Váci, Carl B. Agee, Christopher D. K. Herd, Erin Walton, Oliver Tschauner, Karen Ziegler, Vitali B. Prakapenka, Eran Greenberg, Sylvia Monique‐Thomas Meteoritics & Planetary ScienceVersion of Record online:21 May 2020 LINK “Hydrous alteration of…
The Northwest Africa 8159 (NWA 8159) Martian Meteorite Part 2. Spinel-orthopyroxene intergrowths. A record of fO2 and crust-basalt interactions
Charles K. Shearer, Aaron S. Bell, Christopher D.K. Herd, Paul V. Burger, Paula Provencio, Zachary D.Sharp, James J.Papike Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 June 2019 LINK “In part 1…
Shock conditions recorded in NWA 8159 martian augite basalt with implications for the impact cratering history on Mars
Tom G. Sharp, Erin L. Walton, Jinping Hu, Carl Agee Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 November 2018 LINK “NWA 8159 is an augite-rich martian basalt, formed by cooling of…
The Northwest Africa 8159 Martian Meteorite: Expanding the Martian Sample Suite to the Early Amazonian
Christopher D.K. Herd, Erin L. Walton, Carl B. Agee, Nele Muttik, Karen Ziegler, Charles K. Shearer, Aaron S. Bell, Alison R. Santos, Paul V. Burger, Justin I. Simon, Michael J. Tappa, Francis M. McCubbin, Jérôme…
The early differentiation of Mars inferred from Hf–W chronometry
Thomas S. Kruijer, Thorsten Kleine, Lars E. Borg, Gregory A. Brennecka, Anthony J. Irving, Addi Bischoff, Carl B. Agee Earth and Planetary Science Letters In Press, Corrected Proof, Available online 20 July 2017 LINK “Highlights…
Geochemistry of Martian basalts with constraints on magma genesis
Justin Filiberto Chemical Geology Volume 466, 5 September 2017, Pages 1-14 LINK “Highlights • Review of geochemistry of Martian basalts and formation conditions • Martian basalts are more chemically more diverse than represented by meteorites….
Martian Alteration in Unique Meteorite NWA 8159?
Hallis L. J. * Simpson S. Mark D. Lee M. R. 79th Annual Meeting of the Meteoritical Society (2016) #6442 LINK
Electron Probe Microanalysis, Micro X-Ray Diffraction, and Deuterium-Hydrogen Analysis of Hydrous Alteration in Martian Meteorites Northwest Africa 10416 and 8159
Z. Vaci, H. E. Newsom, C. B. Agee, A. J. Brearley, O. Tschauner, C. D. K. Herd 47th Lunar and Planetary Science Conference (2016), Abstract #2538 PDF
40Ar/39Ar Systematics and Noble Gas Components in the Early Amazonian Martian Meteorite Northwest Africa 8159
W. S. Cassata 47th Lunar and Planetary Science Conference (2016), Abstract #2118 PDF
Ti-Cr-O Isotope Systematics of the Anomalous Eucrites and Martian Meteorites
C. D. Williams, M. E. Sanborn, Q. -Z. Yin 46th Lunar and Planetary Science Conference (2015), Abstract #1671 PDF LINK
High-Precision 182W Measurements of Martian Meteorites for Constraining the Early Evolution of Mars
T. S. Kruijer, T. Kleine, L. Borg, M. Fischer-Gödde, A. J. Irving, A. Bischoff, C. B. Agee 46th Lunar and Planetary Science Conference (2015), Abstract #1928 PDF LINK
Neodymium and Tungsten Isotope Systematics of Mars Inferred from the Augite Basaltic Meteorite NWA 8159
T. M. Kayzar, L. Borg, T. S. Kruijer, T. Kleine, G. Brennecka, C. Agee 46th Lunar and Planetary Science Conference (2015), Abstract #2357 PDF LINK
The Mineralogical Record of fO2 Variation and Alteration in Northwest Africa 8159 (NWA 8159). Evidence for the Interaction Between a Mantle Derived Martian Basalt and a Crustal Component(s)
C. K. Shearer, A. S. Bell, P. V. Burger, F. M. McCubbin, C. Agee, J. Simon, J. J. Papike 46th Lunar and Planetary Science Conference (2015), Abstract #1483 PDF LINK
Northwest Africa 8159: An approximately 2.3 Billion Year Old Martian Olivine-Bearing Augite Basalt
Simon, J. I., Peters, T. J., Tappa, M. J., Agee, C. B. Based on petrology, mineralogy, and bulk composition, the new NWA 8159 martian meteorite is distinct from all known samples from Mars. In particular,…