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Sample no name 61
NavDat sample number 4361 · PEGMATITE
Sample
| Sample ID | no name 61 |
|---|
| Rock name | PEGMATITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | P. Le Couteur |
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| Comment | quartz plagioclase muscovite pegmatite lens, about 40 ft and 3 to 6 ft wide, emplaced in tightly folded Burke Formation; Rb-Sr date is from feldspar and muscovite separates |
Location
| Latitude | 47.2431 |
|---|
| Longitude | -116 |
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| Location | Stop 6 on St. Joe field trip of R. Reid Belt Symposium, 1973; Shoshone County |
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| State / province | Idaho |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 68.8 |
|
67.6 |
70 |
|
|
Analyses
No chemical analyses are stored for this sample.