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Petrographic Descriptions (Select a sample)
| Sample No.: | LAR 04382 |
| Location: | Larkman Nunatak |
| Field No.: | 15597 |
| Dimensions (cm): | 4.5 x 1.75 x 3.0 |
| Weight (g): | 43.664 |
| Meteorite Type: | H3 Chondrite |
Macroscopic Description: Kathleen McBride
95% of the exterior is covered with dull brown/black fusion crust. The interior is a black matrix with numerous chondrules of various sizes and colors. This meteorite is hard.
Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section exhibits numerous small, well-defined chondrules (up to 1.2 mm) in a black matrix of fine-grained silicates, metal and troilite. Weak shock effects and weathering are present. Silicates are unequilibrated; olivines range from Fa6-30 and pyroxenes from Fs1-13. The meteorite is an H3 chondrite (estimated subtype 3.4).
Thin Section Images
| Plane-Polarized Light LAR 04382 |
Cross Polarized Light LAR 04382 |
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Lab Images
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