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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 04771 |
| Location: | LaPaz Ice Field |
| Field No.: | 17429 |
| Dimensions (cm): | 1.0x0.75x0.25 |
| Weight (g): | 0.575 |
| Meteorite Type: | CM2 Chondrite |
Macroscopic Description: Kathleen McBride
50% of the exterior surface is covered with black fusion crust.
Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The section consists of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-50, orthopyroxene is Fs2.
The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.
Thin Section Images
| Cross-Polarized Light LAP 04771 |
Plane-Polarized Light LAP 04771 |
Reflected Light LAP 04771 |
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Lab Images
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