Sample Petrographic Description
Sample Number | DOM 18183 |
Newsletter | 45,2 |
Location | Dominion Range |
Field Number | 25733 |
Dimensions (cm) | 2.1 x 1.5 x 1.5 |
Weight (g) | 6.81 |
Original Classification | L6 CHONDRITE |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 24;Ferrosilite (mol%): 20 | |
Weathering | |
B | |
Fracturing | |
B/C | |
Macroscopic Description - Curtis Calva | |
The exterior has a smooth, dark brown fusion crust with iridescent weathering spots. The exposed interior has a light grey matrix with some rusty patches. The interior has a light grey matrix with rusty spots and a large fracture. Metal and white inclusions are visible. | |
Thin Section Description - | |
The meteorite is an L6 chondrite (Fa24, Fs20). Notably, a shock vein that reaches ~1.5 mm in width cross-cuts the section, containing numerous pale violet grains (when viewed in plane polarized light) of the same composition as the host olivine, which are almost certainly ringwoodite. |
Antarctic Meteorite Images for Sample DOM 18183 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample DOM 18183 | ||||
Thin Section Photo(s) : | ||||