Name: Miller Range 090594 This is an OFFICIAL meteorite name. Abbreviation: MIL 090594 Observed fall: No Year found: 2009 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 2.2 g
Macroscopic Description - Roger Harrington, Kathleen McBride and Cecilia Satterwhite
These carbonaceous chondrites have black/brown fusion crust; some have evaporites. Areas without fusion crust range from dark gray to black with some rusty brown matrix. The interiors are fine grained black matrix with minor oxidation and contain some tiny white inclusions.
Thin Section Description (,2) - Cari Corrigan and Nicole Lunning
These meteorites are so similar that a single description suffices. The sections consist of abundant small (up to 1.3 mm) chondrules, chondrule fragments and mineral grains in a dark matrix. Metal and sulfide occur within and rimming the chondrules. Glass within chondrules appears to be very clear/fresh. CAIs are abundant in many sections (mostly Type A), and range in size up to 1 mm, many containing blue hibonite grains. At least one compound CAI was found. AOAs up to 1 mm are present, as are dark inclusions (specifically in MIL 090470). Olivine ranges in composition from Fa0-76. Pyroxene analyses range from Fs1-15 Wo0-5 with one Fs35. These meteorites vary with respect to terrestrial alteration. These meteorites are CO3 chondrites (likely type 3.0-3.2) and are probably members of the MIL 07531 pairing group.
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:
Search for this meteorite in the NASA/JSC database (U.S.):
2.2 g
