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Sample UE20C-4539
NavDat sample number 86026 · PYROCLASTIC-FALL
Sample
| Sample ID | UE20C-4539 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Core is moderate orange pink to very pale orange zeolitic nonwelded tuff with scarce white pumice to 9 mm, scarce to common lithics to 3.5 mm, and scarce to rare black biotite to 1.2 mm and felsics to 0.8 mm. |
Location
| Latitude | 37.2294 |
|---|
| Longitude | -116.472 |
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| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 12.85 |
|
12.9 |
12.8 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| HFO2 | 5.8404 | | PPM | NAA |
| MNO | 0.1901 | | WT% | NAA |
| MN | 0.1472 | | WT% | NAA |
| UO2 | 9.5483 | | PPM | NAA |