Sample Petrographic Description
Sample Number | MAC 02658 |
Newsletter | 27,3 |
Location | MacAlpine Hills |
Field Number | 14146 |
Dimensions (cm) | 2.0 x 1.0 x 0.75 |
Weight (g) | 1.27 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 0-52 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior is black without fusion crust. The interior is a black matrix with tiny white inclusions. | |
Thin Section Description (,2) - Tim McCoy, Linda Welzenbach | |
The section consists of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; sulfide and carbonate grains are present. Olivine compositions are Fa0-52, with a peak at Fa0-1. The matrix consists dominantly of an Fe-rich serpentine; chondrules are relatively unaltered. The meteorite is a CM2 chondrite. |
Antarctic Meteorite Images for Sample MAC 02658 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample MAC 02658 | ||||
Thin Section Photo(s) : | ||||