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Sample L-1120
NavDat sample number 3865 · MONZONITE
Sample
| Sample ID | L-1120 |
|---|
| Rock name | MONZONITE |
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| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | author |
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| Comment | medium grained; orthoclase partly sericitic phenocrysts; groundmass of quartz, plagioclase, muscovite, chlorite after biotite |
|---|
Location
| Latitude | 45.8383 |
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| Longitude | -113.993 |
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| Location | along US Route 93, 0.5 miles north of Sula |
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| State / province | Montana |
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| Volcanic field | Idaho batholith |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 56.2 |
|
54.6 |
57.8 |
|
|
Analyses
No chemical analyses are stored for this sample.
