Name: Dominion Range 18545 This is an OFFICIAL meteorite name. Abbreviation: DOM 18545 Observed fall: No Year found: 2018 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 5.5 g
90% of the exterior is covered with a very shiny, black fusion crust. Exposed surface is dark grey with numerous light brown and white inclusions visible. Fresh interior matrix is dark grey-black with light grey, light brown and white inclusions that measure up to 2 mm.
Thin Section Description -
This section consists of a highly brecciated assemblage of mostly single mineral grains ranging up to 0.5 mm in size. Grains are dominated by pyroxene and plagioclase. Polymineralic igneous fragments/clasts are gabbroic. Evidence of melting was observed as small, fine-grained perhaps quenched clasts. Pyroxenes range from Fs32-62Wo16-33. Fe/Mn of pyroxenes ranges from 53-70. Plagioclase is calcic with An87-98Or0.1-0.6. This meteorite is a lunar basaltic breccia. Pairing with the DOM 18242 group should be considered.
Antarctic Meteorite Images for Sample DOM 18545
Field Photo(s) :
Field photo image(s) courtesy of the ANSMET (ANtarctic Search for METeorites) Program, Case Western Reserve University and the University of Utah
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)
Catalogs:
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