Name: Grosvenor Mountains 95652 This is an OFFICIAL meteorite name. Abbreviation: GRO 95652 Observed fall: No Year found: 1995 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 93.3 g
Macroscopic Description: Kathleen McBride Ninety percent of the exterior of this carbonaceous chondrite is covered by a dull brown/black fusion crust, rough in texture. The matrix is black, soft and friable. Evaporites are present and inclusions are rusty to light colored.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules and irregular aggregates, up to 3 mm across, in a black matrix. Trace amounts of metal and sulfide are present as minute grains, mostly within the chondrules. Chondrule types are mainly porphyritic or granular olivine. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa0.3-16, mean Fa3; pyroxene, Fs4-13. The meteorite is classified as a C3 chondrite of the Vigarano subtype.