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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 031316 |
| Location: | LaPaz Ice Field |
| Field No.: | 16711 |
| Dimensions (cm): | 3.5x2.5x2.0 |
| Weight (g): | 25.819 |
| Meteorite Type: | Eucrite (Brecciated) |
Macroscopic Description: Kathleen McBride
A small patch of thick black fusion crust is visible on the exterior surface. The interior is gray with glass vein (?). Some areas are vesicular and others are white and powdery.
Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
This meteorite consists of a highly-shocked clastic matrix of pyroxene and plagioclase up to 1 mm. Both pyroxene and plagioclase are mosaicized. Pyroxene exhibits a range of compositions (Fs27-61Wo2-44) reflecting exsolution of augite and orthopyroxene. The Fe/Mn ratio is ~28. Plagioclase is An80-90. The meteorite is a brecciated eucrite.
Thin Section Images
| Cross-Polarized Light | Cross-Polarized Light | Plane-Polarized Light |
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Lab Images
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