Sample 81-83
NavDat sample number 16173 · RHYOLITE
Sample
| Sample ID | 81-83 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.1033 |
|---|---|
| Longitude | -104.35 |
| Location | post-caldera lava, Infiernito caldera |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.54 | WT% | XRF | |
| TIO2 | 0.43 | WT% | XRF | |
| AL2O3 | 14.82 | WT% | XRF | |
| FE2O3 | 2.26 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.37 | WT% | XRF | |
| CAO | 1.15 | WT% | XRF | |
| NA2O | 4.46 | WT% | XRF | |
| K2O | 5.25 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| H2O_PLUS | 0.17 | WT% | XRF | |
| CO2 | 0.05 | WT% | XRF | |
| TOTAL | 99.66 | WT% | XRF | |
| RB | 144 | PPM | ICPMS | |
| SR | 147 | PPM | ICPMS | |
| Y | 37 | PPM | ICPMS | |
| ZR | 364 | PPM | ICPMS | |
| NB | 57 | PPM | ICPMS | |
| BA | 820 | PPM | ICPMS |