Sample Petrographic Description
Sample Number | MIL 090487 |
Newsletter | 34,2 |
Location | Miller Range |
Field Number | 20092 |
Dimensions (cm) | 1.75 x 1.25 x 1.25 |
Weight (g) | 2.06 |
Original Classification | CM1/2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 0-1 | |
Weathering | |
C | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
Half of the exterior of this meteorite is covered with rough black fusion crust with polygonal fractures. The interior is dark with a few lighter, yellowish stained inclusions. | |
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach, Tim McCoy | |
This meteorite consists of highly-altered chondrules and matrix with rare carbonates and rare unaltered mafic silicates. Chondrule outlines are only distinct on the largest chondrules. Olivine analyses are Fa1. No pyroxenes were available to measure. The meteorite is a CM1-2 chondrite. |
Antarctic Meteorite Images for Sample MIL 090487 | ||||
Thin Section Photo(s) : | ||||