Name: Grosvenor Mountains 17189 This is an OFFICIAL meteorite name. Abbreviation: GRO 17189 Observed fall: No Year found: 2017 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 25.3 g
The exterior is 70% covered in black glassy fusion crust. The exposed surface is a gray matrix with black veins running along fractures. There are white inclusions present. There are minor amounts of rust near the fusion crust. The fresh surface shows a coarse-grained gray matrix with white inclusions. There are fractures with black veins running along them
Thin Section Description (,2) - Cari Corrigan, Tim McCoy
The section is dominated by a single clast of fine-grained eucritic material, with adhering brecciated, fine to coarse eucritic fragments. Mineral compositions are homogeneous with orthopyroxene (Fs60Wo2), augite (Fs26Wo43), and plagioclase (An90-92Or0.5). The Fe/Mn ratio of the pyroxene is ~31. The meteorite is a polymict eucrite.
JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022) SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
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25.3 g
