Newsletter |
36,2 |
Location |
Larkman Nunatak |
Field Number |
23935 |
Dimensions (cm) |
3.5 x 3.0 x 2.0 |
Weight (g) |
22.15 |
Original Classification |
CO3 Chondrite |
Fayalite (mol%): 0-50;Ferrosilite (mol%): 1 |
A/B |
B/C |
This heavily fractured carbonaceous chondrite has black fusion crust on the exterior with some frothy areas. Exposed surfaces are weathered. The dark gray to black interior has abundant small white and rusty inclusion/chondrules. Some areas are heavy oxidized and rusty. |
The section consists of abundant small (up to 1 mm) chondrules, chondrule fragments and mineral grains in a dark matrix. Metal and sulfide occur in the matrix. Olivine ranges in composition from Fa0-50. One pyroxene analyses shows Fs1Wo3. The matrix appears to consist largely of Fe-rich olivine. The meteorite is a CO3 chondrite. |