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Petrographic Descriptions (Select a sample)
| Sample No.: | RBT 04114 |
| Location: | Roberts Massif |
| Field No.: | 16395 |
| Dimensions (cm): | 7.5x4.5x5.0 |
| Weight (g): | 281.6 |
| Meteorite Type: | L3 Chondrite |
Macroscopic Description: Kathleen McBride
50% of the exterior has thin, black fusion crust. The interior is rusty black matrix with high metal content. There are 1-2 mm sized light colored chondrules visible; some are rust stained.
Thin Section (,2) Description: Tim McCoy
The section exhibits numerous small, well-defined chondrules (up to 1.5 mm) in a black matrix of fine-grained silicates, metal and troilite. Weathering is moderate. Silicates are unequilibrated; olivines range from Fa1-29 and pyroxenes are Fs3-18. The meteorite is an L3 chondrite (estimated subtype 3.6).
Thin Section Images
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Lab Images
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