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Sample CH82-58
NavDat sample number 11458 · BASALT
Sample
| Sample ID | CH82-58 |
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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 matrix of intergranular cpx, plagioclase, oxide, and abundant oxide mesostasis; porphyritic and glomeroporphyritic plagioclase laths and fresh to completely clay-altered olivine; patches ofalteration to calcite and clay |
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Location
| Latitude | 41.7971 |
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| Longitude | -115.796 |
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| Location | domelike exposure of highly fractured and jointed dike? basalt, N of Point of Rocks; 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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| 14.5 |
|
13.4 |
15.6 |
|
|
