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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 04516 |
| Location: | LaPaz Ice Field |
| Field No.: | 17689 |
| Dimensions (cm): | 3.5 x 2.5 x 1.5 |
| Weight (g): | 26.258 |
| Meteorite Type: | CR2 Chondrite |
Macroscopic Description: Kathleen McBride
The exterior is covered by 100% brown/black fusion crust with polygonal fractures. The interior is a dark brown to black matrix with large (>2 mm) chondrules of various colors.
Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The section exhibits large (up to 3 mm), well-defined, metal-rich chondrules and CAI's in a dark, altered matrix. Rounded metal particles, likely chondrules, reach up to 0.5 mm. Silicates are unequilibrated; olivines range from Fa1-6 and pyroxenes from Fs1-3Wo1. The meteorite is a CR2 chondrite.
Thin Section Images
| Plane-Polarized Light LAP 04516 |
Cross Polarized Light LAP 04516 |
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Lab Images
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