Sample Petrographic Description
Sample Number | DOM 18782 |
Newsletter | 47,1 |
Location | Dominion Range |
Field Number | 24926 |
Dimensions (cm) | 2.0 x 2.0 x 1.2 |
Weight (g) | 8.10 |
Original Classification | CR2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1;Ferrosilite (mol%): 2-5 | |
Weathering | |
B | |
Fracturing | |
A/B | |
Macroscopic Description - Cecilia Satterwhite | |
Exterior has 80% patches of black/brown fusion crust, areas without fusion crust are rusty and weathered. Interior is dark grey to black matrix with abundant light inclusions/chondrules and weathered areas. | |
Thin Section Description (,,2) - Cari Corrigan, Tim McCoy | |
The section consists of chondrules (up to 2 mm) set in abundant, fine grained dark matrix with large metal nodules up to 1 mm. Many chondrules are rich in metal. Weathering is moderate with staining and hydrated iron oxides. Olivine compositions are Fa1-28, pyroxenes are Fs2-5, Wo0-1. The meteorite is likely a CR2 chondrite. |
Antarctic Meteorite Images for Sample DOM 18782 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample DOM 18782 | ||||
Thin Section Photo(s) : | ||||