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Sample L-1114
NavDat sample number 3855 · GRANITE
Sample
| Sample ID | L-1114 |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | author |
|---|
| Comment | phenocrysts of orthoclase seriticized, aegirine, hornblende phenocrysts in orthoclase, plagioclase, and sericite groundmass |
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Location
| Latitude | 44.3283 |
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| Longitude | -103.831 |
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| Location | large boulder just below Terry Peak lookout |
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| State / province | South Dakota |
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| Volcanic field | Terry Peak pluton |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 58.6 |
|
54.3 |
62.9 |
|
|
Analyses
No chemical analyses are stored for this sample.
