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Sample 212A
NavDat sample number 10055 · PYROCLASTIC-FLOW
Sample
| Sample ID | 212A |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
Location
| Latitude | 42.0514 |
|---|
| Longitude | -115.74 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 8 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 10.45 |
|
9.405 |
11.495 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 73.28 | | WT% | XRF |
| AL2O3 | 12.75 | | WT% | XRF |
| TIO2 | 0.39 | | WT% | XRF |
| FE2O3T | 2.57 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CAO | 1.08 | | WT% | XRF |
| MGO | 0.39 | | WT% | XRF |
| K2O | 5.55 | | WT% | XRF |
| NA2O | 2 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| TOTAL | 98.09 | | WT% | XRF |
| RB | 189 | | PPM | XRF |
| SR | 126 | | PPM | XRF |
| ZR | 470 | | PPM | XRF |
| BA | 1036 | | PPM | XRF |