Newsletter |
28,1 |
Location |
MacAlpine Hills |
Field Number |
14428 |
Dimensions (cm) |
0.75 x 0.5 x 0.5 |
Weight (g) |
0.21 |
Original Classification |
CM1-2 Chondrite |
Updated Classification |
CM1/2 Chondrite |
Fayalite (mol%): 2 |
B |
A |
25% of the exterior is covered with thick brown/black fusion crust. The interior is a gray matrix with rusty areas and gray chondrules. |
The section consists of a single unaltered olivine in a groundmass of hydrated phyllosilicates, including those that replace chondrules. Olivine is Fa2. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM chondrite intermediate between petrologic types 1 and 2. |
Reclassified as CM1/2 Chondrite in AMN 31,1. |