Sample Petrographic Description
Sample Number | MIL 15552 |
Newsletter | 42,2 |
Location | Miller Range |
Field Number | 23658 |
Dimensions (cm) | 1.8 x 1.0 x 0.6 |
Weight (g) | 2.19 |
Original Classification | R4 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 39;Ferrosilite (mol%): 9-16 | |
Weathering | |
B | |
Fracturing | |
A/B | |
Macroscopic Description - Cecilia Satterwhite | |
Exterior has 90% black fractured fusion crust with exposed dark gray to black interior. The interior is a dark gray to black matrix with some oxidation. Light colored and weathered inclusions/chondrules are visible. | |
Thin Section Description (,2) - Cari Corrigan, Tim McCoy | |
This section consists of ~50% distinct chondrules (up to 2 mm) and chondrule fragments set in a slightly recrystallized matrix of silicates, sulfides and chromite. Olivines are homogenous at Fa39, while pyroxenes range from Fs9-16. The meteorite is heavily shocked. The meteorite is an R4 chondrite. |
Antarctic Meteorite Images for Sample MIL 15552 | ||||
Thin Section Photo(s) : | ||||