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Petrographic Descriptions (Select a sample)
| Sample No.: | GRA 06157 |
| Location: | Graves Nunataks |
| Field No.: | 17724 |
| Dimensions (cm): | 1.0 x 1.0 x 0.5 |
| Weight (g): | 0.788 |
| Meteorite Type: | Lunar-Anorth. Breccia |
Macroscopic Description: Kathleen McBride
The exterior has no fusion crust and is a gray color with white and cream colored clasts. The interior is a gray matrix with white clasts throughout.
Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section shows a groundmass of comminuted pyroxene, olivine and plagioclase with grain sizes up to 1 mm. One-half of the section exhibits a darkened matrix. Olivine is Fa7-54, pyroxene ranges from Fs19-66Wo2-45 (Fe/Mn ~ 60), and plagioclase An94-97. The meteorite is lunar, probably an anorthositic regolith breccia.
Thin Section Images
| Plane-Polarized Light GRA 06157 |
Cross Polarized Light GRA 06157 |
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Lab Images
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