Newsletter |
31,1 |
Location |
Larkman Nunatak |
Field Number |
19255 |
Dimensions (cm) |
3.5 x 2.5 x 2.25 |
Weight (g) |
25.72 |
Original Classification |
CK5 Chondrite |
Pairing |
LAR 06868;
LAR 06871;
LAR 06874;
|
Fayalite (mol%): 29;Ferrosilite (mol%): 26 |
B |
A/B |
The fusion crust on the exteriors of these meteorites is brown/black with polygonal fractures. The interiors are gray to black matrix, fine grained with some evaporites. Inclusions/chondrules are light colored. |
The sections consist of large (up to 2 mm) chondrules in a matrix of finer-grained silicates, sulfides and magnetite. The meteorites are extensively shock blackened. Silicates are homogeneous. Olivine is Fa29-31 and orthopyroxene is Fs25-26 across the pairing group. The meteorites are CK5 chondrites |