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Petrographic Descriptions (Select a sample)
| Sample No.: | GRA 06131 |
| Location: | Graves Nunataks |
| Field No.: | 18052 |
| Dimensions (cm): | 2.5 x 1.5 x 3.0 |
| Weight (g): | 7.273 |
| Meteorite Type: | CM2 Chondrite |
Macroscopic Description: Kathleen McBride
The exterior is brown/black with fractures. The interior is black and charcoal gray with an oxidation rind.
Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section consists of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in an extensively-altered, black matrix. Metal and sulfide grains are present. Olivine compositions are Fa1-23. The meteorite is a CM2 chondrite.
Thin Section Images
| Reflected Light GRA 06131 |
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Lab Images
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