What Martian meteorites reveal about the interior and surface of Mars

A Udry, GH Howarth, CDK Herd, JMD Day, TJ Lapen… - 2020 - Wiley Online Library
Martian meteorites are the only direct samples from Mars, thus far. Currently, there are a total
of 262 individual samples originating from at least 11 ejection events. Geochemical …

Advances in cosmochemistry enabled by Antarctic meteorites

M Wadhwa, TJ McCoy… - Annual review of earth and …, 2020 - annualreviews.org
At present, meteorites collected in Antarctica dominate the total number of the world's known
meteorites. We focus here on the scientific advances in cosmochemistry and planetary …

Northwest Africa 13669, a reequilibrated nakhlite from a previously unsampled portion of the nakhlite igneous complex

SR Ramsey, AM Ostwald, A Udry… - … & Planetary Science, 2024 - Wiley Online Library
Northwest Africa (NWA) 13669 is a recently found nakhlite and here, we use 2‐D and 3‐D
mineralogy and texture, quantitative textural analysis of pyroxene, bulk rock and mineral …

Complex zoning in the nakhlite and chassignite martian meteorites reveals multi-stage petrogenesis and undercooling during crystallization

A Ostwald, A Udry, J Gross, JMD Day… - … et Cosmochimica Acta, 2024 - Elsevier
Nakhlites (clinopyroxene-rich cumulates) and chassignites (dunites) are two types of
meteorites that were emplaced onto—and subsequently ejected from—the surface of Mars …

Investigating the igneous petrogenesis of Martian volcanic rocks using augite quantitative textural analysis of the Yamato nakhlites

S Griffin, A Udry, L Daly, LV Forman… - … & Planetary Science, 2023 - Wiley Online Library
To better understand volcanism on planetary bodies other than the Earth, the quantification
of physical processes is needed. Here, the petrogenesis of the achondrite Martian Yamato …

Boom boom pow: Shock-facilitated aqueous alteration and evidence for two shock events in the Martian nakhlite meteorites

L Daly, MR Lee, S Piazolo, S Griffin, M Bazargan… - Science …, 2019 - science.org
Nakhlite meteorites are~ 1.4 to 1.3 Ga old igneous rocks, aqueously altered on Mars~ 630
Ma ago. We test the theory that water-rock interaction was impact driven. Electron …

Constraints on the emplacement of Martian nakhlite igneous rocks and their source volcano from advanced micro‐petrofabric analysis

S Griffin, L Daly, T Keller, S Piazolo… - Journal of …, 2022 - Wiley Online Library
The Martian nakhlite meteorites, which represent multiple events that belong to a single
magma source region represent a key opportunity to study the evolution of Martian …

Exploring relationships between shock-induced microstructures and H2O and Cl in apatite grains from eucrite meteorites

TJ Barrett, A Černok, G Degli-Alessandrini… - … et Cosmochimica Acta, 2021 - Elsevier
The abundance and isotopic composition of volatile elements in meteorites is critical for
understanding planetary evolution, given their importance in a variety of geochemical …

Can the Magmatic Conditions of the Martian Nakhlites be Discerned via Investigation of Clinopyroxene and Olivine Intracrystalline Misorientations?

S Griffin, L Daly, S Piazolo, LV Forman… - Journal of …, 2022 - Wiley Online Library
Deformation is a near ubiquitous process that is observed within nearly all naturally forming
rocks. Electron backscatter diffraction (EBSD) is a technique that enables slip‐systems (a …

Insights into the North Patagonian Massif lower crust: petrology and microstructure of granulite xenoliths

N Muckensturm, MA Kaczmarek, M Grégoire… - Journal of …, 2024 - academic.oup.com
The continental lower crust constitutes a key zone for understanding the mantle–crust
magmatic and mechanical transfers, but its study is hampered by the paucity of lower crust …