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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 04846 |
| Location: | LaPaz Ice Field |
| Field No.: | 17409 |
| Dimensions (cm): | 1.0x0.75x0.5 |
| Weight (g): | 0.512 |
| Meteorite Type: | Eucrite (Brecciated) |
Macroscopic Description: Kathleen McBride
80% of exterior has shiny black fusion crust. The gray matrix has some rust stains and white inclusions 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 (Fs41Wo2), with lamellae of augite (Fs12Wo45), and plagioclase (An91Or0.5). The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a brecciated eucrite.
Thin Section Images
| Cross-Polarized Light | Plane-Polarized Light |
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Lab Images
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