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Sample 375
NavDat sample number 10075 · PYROCLASTIC-FLOW
Sample
| Sample ID | 375 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified rock |
|---|
Location
| Latitude | 41.9986 |
|---|
| Longitude | -115.814 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 2 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12.07 |
|
12.03 |
12.11 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.95 | | WT% | XRF |
| AL2O3 | 12.12 | | WT% | XRF |
| TIO2 | 0.29 | | WT% | XRF |
| FE2O3T | 1.45 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| CAO | 0.79 | | WT% | XRF |
| MGO | 0.28 | | WT% | XRF |
| K2O | 5.27 | | WT% | XRF |
| NA2O | 2.16 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 96.35 | | WT% | XRF |
| RB | 223 | | PPM | XRF |
| SR | 103 | | PPM | XRF |
| ZR | 423 | | PPM | XRF |
| BA | 733 | | PPM | XRF |
