Name: Grosvenor Mountains 95517 This is an OFFICIAL meteorite name. Abbreviation: GRO 95517 Observed fall: No Year found: 1995 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 574 g
Macroscopic Description: Kathleen McBride
The exterior of this meteorite is covered with dull brown/black
fusion crust. The surface is rough and flaky. Polygonal fractures
are present and oxidation is visible in areas. The interior is
dark gray fine grained crystalline matrix with yellow chondrules
and metal. It is rusty and very weathered.
Thin Section (,2) Description: Brian Mason
The section shows an aggregate of small chondrules (up to 0.6
mm), chondrule fragments, and pyroxene grains in a matrix of about
30% of nickel-iron and sulfides. Weathering is extensive, with
brown limonitic staining throughout the section. Microprobe analyses
show that the pyroxene is enstatite of somewhat variable composition
(Fs1-5); the nickel-iron contains 2.2-2.4% Si. The
meteorite is an enstatite chondrite, tentatively classified as
EH3.
574 g
