Sample Petrographic Description
Sample Number | LAP 04844 |
Newsletter | 29,1 |
Location | LaPaz Ice Field |
Field Number | 17074 |
Dimensions (cm) | 2.0 x 2.0 x 1.5 |
Weight (g) | 6.83 |
Original Classification | Diogenite |
Mineral Composition (%Fa & %Fs) | |
Ferrosilite (mol%): 23 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior has some patchy brown/black fusion crust. The tan to yellowish fine grained matrix has green and brown clasts of various sizes. | |
Thin Section Description (,2) - Tim McCoy, Linda Welzenbach | |
The section shows a groundmass of coarse (up to 1.5 mm) comminuted pyroxene. Orthopyroxene has a composition of Fs23Wo2. The meteorite is a diogenite and is probably paired with the LAP 91900 pairing group. |
Antarctic Meteorite Images for Sample LAP 04844 | ||||
Lab Photo(s) : | ||||