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Sample L-942
NavDat sample number 3915 · MONZONITE
Sample
| Sample ID | L-942 |
|---|
| 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 badly sericitized, plagioclase, quartz, hornblende? complete conversion to chlorite and magnetite, biotite rare, slightly chloritic |
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Location
| Latitude | 37.7992 |
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| Longitude | -107.675 |
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| Location | along US Route 550, about 1 mile S of Silverton; San Juan County |
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| State / province | Colorado |
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| Volcanic field | Silverton stock |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24.7 |
|
23.9 |
25.5 |
|
|
Analyses
No chemical analyses are stored for this sample.
