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Petrographic Descriptions (Select a sample)
| Sample No.: | LAP 031220 |
| Location: | LaPaz Ice Field |
| Field No.: | 16044 |
| Dimensions (cm): | 2.25x1.25x0.75 |
| Weight (g): | 3.098 |
| Meteorite Type: | EH4 Chondrite |
Macroscopic Description: Kathleen McBride
60% of the exterior has brown/black fusion crust. The interior black matrix is very rusty with minor metal and a rough texture.
Thin Section (,2) Description: Tim McCoy
The section shows an aggregate of chondrules (up to 1 mm), chondrule fragments, and pyroxene grains in a matrix of about 30% metal and sulfide. It has about 1.4 wt.% Si in the metal. Pyroxene is Fs0-2. The meteorite is an EH4 chondrite.
Thin Section Images
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Lab Images
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