Petrographic Descriptions (Select a sample)
| Sample No.: | GRA 06100 |
| Location: | Graves Nunataks |
| Field No.: | 17902 |
| Dimensions (cm): | 6.0 x 5.5 x 5.0 |
| Weight (g): | 421.75 |
| Meteorite Type: | CR2 Chondrite |
Macroscopic Description: Cecilia Satterwhite
The exterior has 60% black fusion crust with some rusty spots and chondrules/inclusions visible. Areas without fusion crust are dark gray with a coarse grained texture. The interior is gray with small inclusions/chondrules of various colors, white, cream and gray. Some areas are rusty.
Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The section exhibits large (up to 3 mm), well-defined, metal-rich chondrules and CAI’s in a dark matrix. Rounded metal particles, likely chondrules, reach up to 1 mm. Silicates are unequilibrated; olivines range from Fa1-15 and pyroxenes from Fs1-3Wo1-3. The meteorite is a CR2 chondrite.
Thin Section Images
| Plane-Polarized Light GRA 06100 |
Cross Polirized Light GRA 06100 |
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Lab Images
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