Volcanic litharenite, Conaripe, Chile
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| Foamy obsidian, glass bead is 200μ |
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Petrographic thin section:
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Bright field |
| Dark Field |
Texture:
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| |
|
|
| Foamy obsidian, glass bead is 200μ |
...
|
| |
---|---|---|
Bright field |
| Dark Field |
...