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Sample CH82-61
NavDat sample number 11459 · BASALT
Sample
| Sample ID | CH82-61 |
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| Rock name | BASALT |
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| Rock type | VOLCANIC |
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| Composition | MAFIC |
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| Material | IGNEOUS |
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| Comment | very fine grained, intergranular to ophitic matrix of plagioclase, titanaugite, clay-altered olivine, and oxide; abundant interstitial clay; large phenocrysts and laths of plagioclase; scattered microphenocrysts of fresh olivine; glomeroporphyritic clumps of plagioclase and olivine |
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Location
| Latitude | 41.7581 |
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| Longitude | -115.457 |
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| Location | erode, highly fractured hill of Seventy Six Basalt along road from Jarbridge to Charleston in Copper Basin, southern Jarbidge Mtns; Elko County |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 12.4 |
|
11.7 |
13.1 |
|
|
