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Petrographic Descriptions (Select a sample)
| Sample No.: | RBT 04143 |
| Location: | Robert Massif |
| Field No.: | 16244 |
| Dimensions (cm): | 4.0 x 3.5 x 3.0 |
| Weight (g): | 89.562 |
| Meteorite Type: | CV3 Chondrite |
Macroscopic Description: Kathleen McBride
50% striated rusty brown to black rough fusion crust covers the exterior. The interior is a black matrix with high metal content and is hard. It has chondrules and clasts of various colors.
Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section exhibits large chondrules (up to 2 mm) and CAIs in a dark matrix. Olivines range from Fa1-69, with most Fa1-2, pyroxene is Fs1-3. The meteorite is an unequilibrated carbonaceous chondrite, probably a CV3.
Thin Section Images
| Plane-Polarized Light RBT 04143 |
Cross Polarized Light RBT 04143 |
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Lab Images
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