| Sample Description | Plot | Data File(s) .spc** | Data File(s) .txt** | Seconds(s) *
Accumulations(a) |
| Obsidian, GRR #1067, Peru |
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4s 30a |
| Obsidian, near Litle Lake, Coso Moutnians, California |
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3s 30a |
| Oligoclase, GRR #680, Kenya |
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1s 30a |
| Orthoclase, RD Shannon, #62047-48, Madagascar |
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2s 30a |
| Orthoclase, GRR #78, Madagascar |
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2s 30a |
| Orthoclase, GRR #26, Madagascar: Heated under H2 500° C |
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2s 30a |
| Orthoclase, GRR #146, Itrongahy, Madagascar |
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2s 30a |
| Orthoclase, GRR #1085, Madagascar, moonstone |
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1s 30a |
| Orthopyroxene, Spruce Pine, North Carolina |
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3s 30a |
| Orthopyroxene, GRR #434 |
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4s 30a |
