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Sample BL-747
NavDat sample number 8366 · SYENITE
Sample
| Sample ID | BL-747 |
|---|
| Rock name | SYENITE |
|---|
| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | hypidiomorphic-granular; constructed of interlocking laths of potassium feldspar; other minerals are nearly all secondary clay, limonite, calcite |
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Location
| Latitude | 44.484 |
|---|
| Longitude | -104.45 |
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| Location | Warren Peaks area of Bear Lodge Mountains |
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| State / province | Wyoming |
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| Volcanic field | Bear Lodge intrusive complex |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 48.5 |
|
43.65 |
53.35 |
|
|
