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Sample WC91-11
NavDat sample number 48658 · MONZONITE
Sample
| Sample ID | WC91-11 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | biotite monzonite porphyry |
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Location
| Latitude | 47.1573 |
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| Longitude | -112.146 |
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| Location | probably same or similar exposure that WC70-3 was collected from |
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| State / province | Montana |
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| Volcanic field | sill intruding lower part of western facies of Two Medicine Formation |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 56.2 |
|
55.9 |
56.5 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Harlan, Stephen S; Snee, Lawrence W; Reynolds, Mitchell W; Mehnert,Harald H; Schmidt, R G; Sheriff, Steve D; Irving, Anthony J (2005) U. S. Geological Survey Professional Paper, Report: P 1696, 29 pp.,2005
