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Sample L-1053
NavDat sample number 3852 · MONZONITE
Sample
| Sample ID | L-1053 |
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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 | phenocrysts of plagioclase, orthoclase, biotite, hornblende, phenocrysts in orthoclase and sericite groundmass; orthoclase partly sericitized and hornblende completely chloritized |
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Location
| Latitude | 44.3208 |
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| Longitude | -103.695 |
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| Location | 4 miles ESE of Lead |
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| State / province | South Dakota |
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| Volcanic field | Gilt Edge Mine pluton |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 60.4 |
|
58.6 |
62.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
