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Sample 251
NavDat sample number 10059 · PYROCLASTIC-FLOW
Sample
| Sample ID | 251 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified rock |
|---|
Location
| Latitude | 42.121 |
|---|
| Longitude | -115.817 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 7 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.19 |
|
10.071 |
12.309 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 77.91 | | WT% | XRF |
| AL2O3 | 10.87 | | WT% | XRF |
| TIO2 | 0.22 | | WT% | XRF |
| FE2O3T | 1.75 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| CAO | 0.58 | | WT% | XRF |
| MGO | 0.27 | | WT% | XRF |
| K2O | 4.77 | | WT% | XRF |
| NA2O | 1.92 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 98.35 | | WT% | XRF |
| RB | 187 | | PPM | XRF |
| SR | 100 | | PPM | XRF |
| ZR | 394 | | PPM | XRF |
| BA | 732 | | PPM | XRF |
