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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 031062 |
| Location: | LaPaz Ice Field |
| Field No.: | 16437 |
| Dimensions (cm): | 2.5x2.5x1.0 |
| Weight (g): | 12.245 |
| Meteorite Type: | Eucrite (Brecciated) |
Macroscopic Description: Kathleen McBride
50% of the exterior of this eucrite has black fusion crust with glassy patches. The interior is tan to light brown with no metal and black and white specks are visible.
Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
This meteorite consists of a brecciated matrix that contains abundant coarse (up to 2 mm) mineral fragments and rare polyminerallic clusters. Mineral compositions are relatively homogeneous with orthopyroxene (Fs41Wo1), lamellae of augite (Fs17Wo41), and plagioclase (An89Or0.5). The Fe/Mn ratio of the pyroxene is ~28. The meteorite is a brecciated eucrite.
Thin Section Images
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Lab Images
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