Newsletter |
36,1 |
Location |
Miller Range |
Field Number |
22808 |
Dimensions (cm) |
1.5 x 1.3 x 1.0 |
Weight (g) |
3.77 |
Original Classification |
Howardite |
Updated Classification |
Eucrite (Brecciated) |
Ferrosilite (mol%): 32-60 |
A/B |
A |
98% of the exterior has black fusion crust with a glassy appearance on some surfaces and one rusty patch. Areas without fusion crust are white to light gray in color. The interior is a gray to tan matrix with light and dark grains, and minor oxidation. |
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm, but typically less than 10 microns) with basaltic eucrite clasts ranging up to 3 mm and one diogenitic fragment. Most of the pyroxene is orthopyroxene with compositions ranging from Fs32-60Wo5-36(most Wo2-10). Plagioclase is An78-89Or0-2. The Fe/Mn ratio of the pyroxene is ~28-32. This meteorite is a howardite. |
MIL 11294 is a breccia and has petrography dominated by eucrite clasts. |