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Sample BRN-1-M
NavDat sample number 17215 · TUFF
Sample
| Sample ID | BRN-1-M |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Matrix of tuff around pumice blocks |
|---|
Location
| Latitude | 38.8111 |
|---|
| Longitude | -113.458 |
|---|
| State / province | Utah |
|---|
| Formation | Wah Wah Springs |
|---|
| Location comment | near base of weakly welded unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 29.5 |
|
26.55 |
32.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.1 | | WT% | XRF |
| TIO2 | 0.61 | | WT% | XRF |
| AL2O3 | 15.6 | | WT% | XRF |
| FE2O3 | 5.23 | | WT% | XRF |
| MNO | 0.083 | | WT% | XRF |
| MGO | 2.2 | | WT% | XRF |
| CAO | 5.15 | | WT% | XRF |
| NA2O | 2.4 | | WT% | XRF |
| K2O | 3.54 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| TOTAL | 99.95 | | WT% | XRF |
| RB | 120 | | PPM | XRF |
| SR | 507 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 138 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 746 | | PPM | XRF |
