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Sample 326A
NavDat sample number 10076 · PYROCLASTIC-FLOW
Sample
| Sample ID | 326A |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified rock |
|---|
Location
| Latitude | 42.005 |
|---|
| Longitude | -115.768 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 1 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12.67 |
|
12.64 |
12.7 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 76.54 | | WT% | XRF |
| AL2O3 | 11.87 | | WT% | XRF |
| TIO2 | 0.22 | | WT% | XRF |
| FE2O3T | 1.43 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| CAO | 0.28 | | WT% | XRF |
| MGO | 0.25 | | WT% | XRF |
| K2O | 5.02 | | WT% | XRF |
| NA2O | 2.17 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 97.83 | | WT% | XRF |
| RB | 232 | | PPM | XRF |
| SR | 83 | | PPM | XRF |
| ZR | 333 | | PPM | XRF |
| BA | 287 | | PPM | XRF |
