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Sample 222A
NavDat sample number 10057 · PYROCLASTIC-FLOW
Sample
| Sample ID | 222A |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
Location
| Latitude | 42.1165 |
|---|
| Longitude | -115.735 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 8L |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 10.94 |
|
10.91 |
10.97 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 73.23 | | WT% | XRF |
| AL2O3 | 12.4 | | WT% | XRF |
| TIO2 | 0.38 | | WT% | XRF |
| FE2O3T | 2.82 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CAO | 0.92 | | WT% | XRF |
| MGO | 0.34 | | WT% | XRF |
| K2O | 5.54 | | WT% | XRF |
| NA2O | 1.88 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 97.58 | | WT% | XRF |
| RB | 204 | | PPM | XRF |
| SR | 120 | | PPM | XRF |
| ZR | 486 | | PPM | XRF |
| BA | 1204 | | PPM | XRF |