Sample Petrographic Description
Sample Number | MAC 02755 |
Newsletter | 28,1 |
Location | MacAlpine Hills |
Field Number | 14191 |
Dimensions (cm) | 2.0 x 1.25 x 1.5 |
Weight (g) | 3.52 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-40 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior has smooth brown/black fusion crust on 75% of its surface. The interior has a black matrix with light colored chondrules. | |
Thin Section Description (,3) - Cari Corrigan, Tim McCoy | |
The section consists of numerous small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Chondrules exhibit significant alteration and shock flattening. Olivine compositions are Fa1-40, with a peak at Fa0-2. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite |
Antarctic Meteorite Images for Sample MAC 02755 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample MAC 02755 | ||||
Thin Section Photo(s) : | ||||