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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 04565 |
| Location: | LaPaz Ice Field |
| Field No.: | 17420 |
| Dimensions (cm): | 3.0 x 1.5 x 1.0 |
| Weight (g): | 7.066 |
| Meteorite Type: | CM2 Chondrite |
Macroscopic Description: Kathleen McBride
The exterior has a small purple black patch of fusion crust. The interior is a black powdery matrix with tiny tan and white chondrules.
Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section consists of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Alteration is prevalent within the chondrules. Olivine compositions are Fa1-56, orthopyroxene is Fs1. The meteorite is a CM2 chondrite.
Thin Section Images
| Reflected Light LAP 04565 |
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Lab Images
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