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Sample 265
NavDat sample number 10065 · PYROCLASTIC-FLOW
Sample
| Sample ID | 265 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified rock |
|---|
Location
| Latitude | 42.0295 |
|---|
| Longitude | -115.838 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit 4 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.59 |
|
10.431 |
12.749 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.7 | | WT% | XRF |
| AL2O3 | 11.42 | | WT% | XRF |
| TIO2 | 0.26 | | WT% | XRF |
| FE2O3T | 2.11 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| CAO | 0.24 | | WT% | XRF |
| MGO | 0.24 | | WT% | XRF |
| K2O | 5.07 | | WT% | XRF |
| NA2O | 2.28 | | WT% | XRF |
| P2O5 | 0.03 | | WT% | XRF |
| TOTAL | 97.36 | | WT% | XRF |
| RB | 198 | | PPM | XRF |
| SR | 97 | | PPM | XRF |
| ZR | 435 | | PPM | XRF |
| BA | 793 | | PPM | XRF |
