Sample Petrographic Description
Sample Number | DOM 08012 |
Newsletter | 32,2 |
Location | Dominion Range |
Field Number | 18223 |
Dimensions (cm) | 2.5 x 2.5 x 1.5 |
Weight (g) | 18.55 |
Original Classification | Ureilite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 3-22 | |
Weathering | |
B | |
Fracturing | |
A | |
Macroscopic Description - Roger Harrington | |
Dull black mottled brown fusion crust covers 40% of the exterior surface. The remaining 60% is a black to brown, coarse to fine grained matrix. The interior is a dark gray, medium to fine grained matrix. | |
Thin Section Description (,2) - Cari Corrigan, Tim McCoy, Linda Welzenbach | |
The section consists of an aggregate of large (up to 2.5 mm) olivine grains. Individual olivine grains are rimmed by carbon-rich material containing traces of metal. Metal forms veins between olivines. Olivine has cores of Fa22, with rims reduced to Fa3. The meteorite is a ureilite. |
Antarctic Meteorite Images for Sample DOM 08012 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample DOM 08012 | ||||
Thin Section Photo(s) : | ||||