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Sample CH83-3A
NavDat sample number 11431 · BASALT
Sample
| Sample ID | CH83-3A |
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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 | medium grained matrix of subophitic to intergranular Ti-rich augite, plagioclase, altered olivine, oxide, and interstitial clay/calcite; abundant porphyritic and glomeroporphyritic plagioclase and microphenocrysts of clay-altered olivine |
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Location
| Latitude | 41.0333 |
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| Longitude | -118.683 |
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| Location | top flow in eastern fault block along Devil's Ridge, eastern margin Black Rock Desert; Humboldt 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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| 15.9 |
|
15 |
16.8 |
|
|
