
| Sample No.: | RBT 04228 |
| Location: | Roberts Massif |
| Field No.: | 14633 |
| Dimensions (cm): | 3.5x3.0x1.25 |
| Weight (g): | 19.776 |
| Meteorite Type: | Acapulcoite |
Macroscopic Description: Kathleen McBride
The fusion crust is rusty black with cracks. The interior has a rusty granular texture with a high metal content and crumbles easily.
Thin Section (,2) Description: Tim McCoy
The section exhibits a granoblastic texture with abundant triple junctions and grain sizes of 100-300 microns. Olivine, pyroxene and plagioclase are uniformly distributed, but metal and sulfide exhibit a very heterogeneous distribution on a mm-scale. Olivine is Fa8, pyroxene is Fs10Wo2 and plagioclase is An13Or5. The meteorite is an acapulcoite.
| Cross-Polarized Light | Plane-Polarized Light |
|---|---|
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