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Sample 252
NavDat sample number 10056 · PYROCLASTIC-FLOW
Sample
| Sample ID | 252 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
|---|
Location
| Latitude | 42.146 |
|---|
| Longitude | -115.789 |
|---|
| 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 | 73.32 | | WT% | XRF |
| AL2O3 | 12.16 | | WT% | XRF |
| TIO2 | 0.35 | | WT% | XRF |
| FE2O3T | 2.43 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| CAO | 0.87 | | WT% | XRF |
| MGO | 0.38 | | WT% | XRF |
| K2O | 5.64 | | WT% | XRF |
| NA2O | 2.18 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 97.39 | | WT% | XRF |
| RB | 225 | | PPM | XRF |
| SR | 111 | | PPM | XRF |
| ZR | 463 | | PPM | XRF |
| BA | 983 | | PPM | XRF |
