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Petrographic Descriptions (Select a sample)
| Sample No.: | MCY 05231; MCY 05234 |
| Location: | MacKay Glacier |
| Field No.: | 17332; 13694 |
| Dimensions (cm): | 3.0x1.0x1.25; 1.25x0.75x0.5 |
| Weight (g): | 6.158; 0.795 |
| Meteorite Type: | CM1-2 Chondrite |
Macroscopic Description: Kathleen McBride
The exteriors have some purplish black fusion crust with polygonal fractures. The interiors have a soft black matrix with light colored chondrules/inclusions.
Thin Section (,2) Description: Tim McCoy and Emma Bullock
The sections consist of rare small chondrules and individual silicates in a highly-altered matrix. Olivine compositions are Fa0-33, pyroxene is Fs1-40. The matrix consists pre-dominantly of an Fe-rich serpentine. The meteorites are CM1-2 chondrites.
Thin Section Images
| Cross-Polarized Light MCY 05231 | Plane-Polarized Light MCY 05231 | Reflected Light MCY 05231 |
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| Cross-Polarized Light MCY 05234 | Plane-Polarized Light MCY 05234 | Reflected Light MCY 05234 |
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Lab Images
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