Sample Petrographic Description
Sample Number | MIL 05041 |
Newsletter | 30,1 |
Location | Miller Range |
Field Number | 18026 |
Dimensions (cm) | 7.0 x 5.0 x 4.0 |
Weight (g) | 239.80 |
Original Classification | Eucrite (Brecciated) |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 60 | |
Weathering | |
B | |
Fracturing | |
B/C | |
Macroscopic Description - Kathleen McBride | |
40% of the exterior is covered with brown/black rough textured fusion crust. The exterior has some vugs. The tan and white interior is soft and somewhat friable. | |
Thin Section Description (,2) - Tim McCoy, Valerie Reynolds | |
The meteorite consists of coarse-grained basaltic fragments up to 1 mm set in a coarse, recrystallized matrix. Mineral compositions are homogeneous with pyroxene of Fs60Wo2 and feldspar of An89Or1. The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a brecciated eucrite. |
Antarctic Meteorite Images for Sample MIL 05041 | ||||
Lab Photo(s) : | ||||
References for Sample MIL05041 | |
Mittlefehldt, D.W., Greenwood, R.C., Berger, E.L., Le, L., Peng, Z.X., and Ross, D.K., 2022, Eucrite-type achondrites: Petrology and oxygen isotope compositions, Meteoritics & Planetary Science, 57, 484-526, doi:10.1111/maps.13730. |