Name: Grosvenor Mountains 95505 This is an OFFICIAL meteorite name. Abbreviation: GRO 95505 Observed fall: No Year found: 1995 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 2.03 kg
Macroscopic Description: Cecilia E. Satterwhite
The exterior of this ordinary chondrite is covered with black
fractured fusion crust on most of its surfaces. Areas without
fusion crust are yellow brown and oxidation is heavy in areas.
Many inclusions and chondrules are visible. The interior reveals
a gray brown matrix with abundant light and dark inclusions ranging
in size from 1 - 5 mm. Minor metal and weathering are present.
Thin Section (,2) Description: Brian Mason
The section shows a close-packed aggregate of chondrules (up to
2.4 mm across), chondrule fragments, and mineral grains in a dark
matrix containing small amounts of nickel-iron and troilite.
The meteorite is considerably weathered, with brown limonitic
staining throughout the section. Microprobe analyses show olivine
and pyroxene of variable compositions; olivine, Fa11-26;
pyroxene, Fs15-24. The meteorite is classified as
an L3 chondrite (estimated L3.6).
2.03 kg
