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Sample 83P100
NavDat sample number 19131 · MONZOGRANITE
Sample
| Sample ID | 83P100 |
|---|
| Rock name | MONZOGRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Collected by | R.C. Pearson |
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| Comment | leucocratic, fine to medium grained, equigranular to porphyritic |
Location
| Latitude | 39.4092 |
|---|
| Longitude | -106.521 |
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| Location | 850-ft NNW of outlet of Treasure Vault Lake, Holy Cross Wilderness; Eagle County |
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| State / province | Colorado |
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| Volcanic field | intrusive rocks of Treasure Vault Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 64 |
|
61.7 |
66.3 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Marvin, Richard F; Mehnert, Harald H; Naeser, Charles W; Zartman,Robert E (1989) U. S. Geological Survey radiometric ages; Compilation C; Part five;Colorado, Montana, Utah, and Wyoming. Isochron/West, vol.53, pp.14-19, Jun 1989