← Search
Sample TRIG
NavDat sample number 67183 · TUFF
Sample
| Sample ID | TRIG |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 39.08 |
|---|
| Longitude | -106.58 |
|---|
| Location | grizzly peak cauldron |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33 |
|
29.7 |
36.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 77.8 | | WT% | XRF |
| AL2O3 | 15 | | WT% | XRF |
| FE2O3 | 1.5 | | WT% | XRF |
| CAO | 2.2 | | WT% | XRF |
| NA2O | 4.5 | | WT% | XRF |
| K2O | 2.5 | | WT% | XRF |
| TIO2 | 0.27 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| NB | 13 | | PPM | XRF |
| ZR | 143 | | PPM | XRF |
| Y | 19 | | PPM | XRF |
| SR | 513 | | PPM | XRF |
| RB | 115 | | PPM | XRF |
