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Sample L-951
NavDat sample number 3866 · MONZONITE
Sample
| Sample ID | L-951 |
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| 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 | coarse grained; plagioclase, orthoclase partly altered, quartz, biotite, and hornblende with many feldspar and opaque inclusions |
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Location
| Latitude | 45.8392 |
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| Longitude | -112.309 |
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| Location | along US Route 10 *which may have a different numerical designation as of 2005*, 2.7 miles W of intersection with Montana Route 41; Jefferson County |
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| State / province | Montana |
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| Volcanic field | Boulder batholith |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 78.8 |
|
76.5 |
81.1 |
|
|
Analyses
No chemical analyses are stored for this sample.
