Sample Petrographic Description
Sample Number | MAC 04930 |
Newsletter | 29,1 |
Location | MacAlpine Hills |
Field Number | 15086 |
Dimensions (cm) | 0.5 x 0.7 x 0.4 |
Weight (g) | 0.88 |
Original Classification | H3 Chondrite |
Updated Classification | H3.6 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 2-24;Ferrosilite (mol%): 3-12 | |
Weathering | |
B | |
Fracturing | |
A | |
Macroscopic Description - Tim McCoy, Linda Welzenbach | |
This pea sized rusty ordinary chondrite exhibits numerous small chondrules (up to 1 mm) in a black matrix with irregular metal and troilite. The meteorite is highly weathered. Silicates are unequilibrated; olivines range from Fa2-24 and pyroxenes from Fs3-12. The meteorite is an H3 chondrite (estimated subtype 3.6). | |
Thin Section Description (,2) - | |
Reclassification Notes (AMN 29,1) | |
Classification updated to H3.6. |