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Sample CH82-65B
NavDat sample number 11461 · BASALT
Sample
| Sample ID | CH82-65B |
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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 | fine grained, intergranular to subophitic, nearly equigranular assemblage of plagioclase, cpx, olivine, and oxide; abundant oxide mesostasis pervasively altered to clay; minor glomeroporphyritic clumps of plagioclase |
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Location
| Latitude | 41.1875 |
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| Longitude | -116.926 |
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| Location | flow exposed in basal section of Owyhee Bluffs and cut by Sawtooth dike, Midas Trough; 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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| 12.7 |
|
11.9 |
13.5 |
|
|
