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Sample L-1112
NavDat sample number 3853 · MONZONITE
Sample
| Sample ID | L-1112 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | author |
|---|
| Comment | phenocrysts of orthoclase, biotite, and quartz and sericitized groundmass of quartz, plagioclase, orthoclase ?, and biotite |
|---|
Location
| Latitude | 44.4733 |
|---|
| Longitude | -103.426 |
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| Location | Bear Butte |
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| State / province | South Dakota |
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| Volcanic field | Bear Butte laccolith |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 52.2 |
|
50.7 |
53.7 |
|
|
Analyses
No chemical analyses are stored for this sample.
