Sample Petrographic Description
Sample Number | MAC 02552 |
Newsletter | 27,1 |
Location | MacAlpine Hills |
Field Number | 14475 |
Dimensions (cm) | 1.0 x 0.5 x 0.5 |
Weight (g) | 0.31 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 2-3 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
Black, purple tinged, polygonally fractured fusion crust covers 90% of this carbonaceous chondrite. The interior is black, friable and weathered with white and rust stained inclusions. | |
Thin Section Description (,2) - Linda Welzenbach, Tim McCoy | |
The section consist of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal, framboidal magnetite and sulfide grains are present. Chondrites are moderately altered; Fe-rich serpentine dominates the matrix . Olivine compositions are Fa2-3. The meteorite is a CM2 chondrite. |
Antarctic Meteorite Images for Sample MAC 02552 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample MAC 02552 | ||||
Thin Section Photo(s) : | ||||