Sample 81-173
NavDat sample number 16172 · RHYOLITE
Sample
| Sample ID | 81-173 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.1033 |
|---|---|
| Longitude | -104.367 |
| Location | postcaldera 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 | 69.35 | WT% | XRF | |
| TIO2 | 0.44 | WT% | XRF | |
| AL2O3 | 15.64 | WT% | XRF | |
| FE2O3 | 1.9 | WT% | XRF | |
| FEO | 0.33 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.29 | WT% | XRF | |
| CAO | 1.18 | WT% | XRF | |
| NA2O | 4.57 | WT% | XRF | |
| K2O | 5.38 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| H2O_PLUS | 0.22 | WT% | XRF | |
| CO2 | 0.1 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| RB | 141 | PPM | ICPMS | |
| SR | 183 | PPM | ICPMS | |
| Y | 37 | PPM | ICPMS | |
| ZR | 401 | PPM | ICPMS | |
| NB | 35 | PPM | ICPMS | |
| BA | 921 | PPM | ICPMS |