Meteoritic minerals and their origins

AE Rubin, C Ma - Geochemistry, 2017 - Elsevier
About 435 mineral species have been identified in meteorites including native elements,
metals and metallic alloys, carbides, nitrides and oxynitrides, phosphides, silicides, sulfides …

Weak magnetism of Martian impact basins may reflect cooling in a reversing dynamo

SC Steele, RR Fu, A Mittelholz, AI Ermakov… - Nature …, 2024 - nature.com
Understanding the longevity of Mars's dynamo is key to interpreting the planet's atmospheric
loss history and the properties of its deep interior. Satellite data showing magnetic lows …

New olivine morphologies in shergottites reveal complex thermal histories of martian magmas

SA Eckley, RA Ketcham, Y Liu, A Udry… - … et Cosmochimica Acta, 2024 - Elsevier
Petrogenetic models of martian magmas reflect the compositional, thermal, and
geodynamical evolution of its interior. Most models for shergottite meteorites, which sampled …

A changing thermal regime revealed from shallow to deep basalt source melting in the Moon

Y Srivastava, A Basu Sarbadhikari, JMD Day… - Nature …, 2022 - nature.com
Sample return missions have provided the basis for understanding the thermochemical
evolution of the Moon. Mare basalt sources are likely to have originated from partial melting …

Complex carbonaceous matter in Tissint martian meteorites give insights into the diversity of organic geochemistry on Mars

P Schmitt-Kopplin, M Matzka, A Ruf, B Menez… - Science …, 2023 - science.org
We report a huge organic diversity in the Tissint Mars meteorite and the sampling of several
mineralogical lithologies, which revealed that the organic molecules were nonuniformly …

Consolidated chemical provinces on Mars: Implications for geologic interpretations

A Rani, A Basu Sarbadhikari, DR Hood… - Geophysical …, 2022 - Wiley Online Library
Chemical provinces were defined on Mars a decade ago using orbital nuclear spectroscopy
of K, Th, Fe, Si, Ca, Cl, and H2O. However, past multivariate analyses yielded three sets of …

Constraints on martian depleted shergottite volcanism from the petrogenesis of olivine-phyric shergottites NWA 2046 and NWA 4925

CJ Peel, GH Howarth, JMD Day, P le Roux… - Journal of African Earth …, 2023 - Elsevier
Abstract The 1.1 Ma ejection-paired depleted shergottites are sourced from a long-lived
volcanic centre, likely located on the Tharsis plateau. Here we present bulk-rock …

Magmatic evolution of KREEP‐free lunar meteorite Asuka‐881757 inferred from sector‐zoned clinopyroxene, pyroxene symplectites, and thermodynamic modeling

Y Srivastava, A Basu Sarbadhikari… - … & Planetary Science, 2024 - Wiley Online Library
Lunar basaltic meteorite Asuka‐881757 (A‐881757), a member of the source crater paired
YAMM meteorites (Yamato‐793169, A‐881757, Miller Range 05035 and Meteorite Hills …

Petrogenesis of Northwest Africa 8686: A ferroan olivine‐phyric shergottite

RW Nicklas, JMD Day, Z Vaci… - Meteoritics & Planetary …, 2022 - Wiley Online Library
Northwest Africa (NWA) 8686 is an olivine‐phyric shergottite containing up to~ 500 μm long
olivine crystals in a fine‐grained groundmass of augite, pigeonite, and maskelynite, with …

Convective activity in a Martian magma chamber recorded by P‐zoning in Tissint olivine

N Mari, LJ Hallis, L Daly, MR Lee - Meteoritics & Planetary …, 2020 - Wiley Online Library
Abstract The Tissint Martian meteorite is an unusual depleted olivine‐phyric shergottite,
reportedly sourced from a mantle‐derived melt within a deep magma chamber. Here, we …