Sample Petrographic Description
Sample Number | QUE 02158 |
Newsletter | 28,1 |
Location | Queen Alexandra Range |
Field Number | 14896 |
Dimensions (cm) | 2.0 x 1.75 x 1.5 |
Weight (g) | 8.59 |
Original Classification | Diogenite |
Pairing | QUE 99050; QUE 02158; |
Mineral Composition (%Fa & %Fs) | |
Ferrosilite (mol%): 22 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior surface has patches of thin, dark brown fusion crust. The interior has a sandy textured cream colored matrix that is friable. Clasts and <mm black minerals are visible. | |
Thin Section Description (,3) - Cari Corrigan, Tim McCoy | |
The section shows a groundmass of essentially monominerallic, coarse (up to 1.5 mm) comminuted orthopyroxene of uniform composition (Fs22Wo2). The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a diogenite and is possibly paired with QUE 99050. |
Antarctic Meteorite Images for Sample QUE 02158 | ||||
Lab Photo(s) : | ||||