Sample Petrographic Description
Sample Number | MIL 05086 |
Newsletter | 30,1 |
Location | Miller Range |
Field Number | 18151 |
Dimensions (cm) | 1.75 x 1.0 x 1.5 |
Weight (g) | 1.73 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 0-25;Ferrosilite (mol%): 0-4 | |
Weathering | |
Be | |
Fracturing | |
A/B | |
Macroscopic Description - Kathleen McBride | |
The exterior fusion crust is rough textured and black in color with evaporites. The interior has a soft black matrix with light colored inclusions. | |
Thin Section Description (,2) - Tim McCoy, Valerie Reynolds | |
The sections consist of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Many chondrules are aqueously altered. Olivine compositions are Fa0-25, orthopyroxene is Fs0-4. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite. |
Antarctic Meteorite Images for Sample MIL 05086 | ||||
Thin Section Photo(s) : | ||||