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Sample KW-913-67
NavDat sample number 4100 · BASALT
Sample
| Sample ID | KW-913-67 |
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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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| Collected by | K.L. Wier |
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| Comment | dark-grey to black and mottled; small olivine and plagioclase crystals in matrix of smaller plagioclase and pyroxene; interbedded with Tertiary sediments; correlated with part of the Renova Formation of Kuenzi and Fields 1971 |
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Location
| Latitude | 45.2819 |
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| Longitude | -112.057 |
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| Location | Williams Gulch Road; Madison County |
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| State / province | Montana |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 30.3 |
|
28.7 |
31.9 |
|
|
Analyses
No chemical analyses are stored for this sample.
