Sample MGE787
NavDat sample number 16183 · RHYOLITE
Sample
| Sample ID | MGE787 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.0417 |
|---|---|
| Longitude | -104.4 |
| Location | postcaldera, 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 | 72.88 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 12.84 | WT% | XRF | |
| FE2O3 | 0.21 | WT% | XRF | |
| FEO | 0.89 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.16 | WT% | XRF | |
| CAO | 0.65 | WT% | XRF | |
| NA2O | 3.28 | WT% | XRF | |
| K2O | 5.52 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| H2O_PLUS | 3.83 | WT% | XRF | |
| TOTAL | 100.53 | WT% | XRF | |
| RB | 219 | PPM | ICPMS | |
| SR | 62 | PPM | ICPMS | |
| Y | 44 | PPM | ICPMS | |
| ZR | 156 | PPM | ICPMS | |
| NB | 34 | PPM | ICPMS | |
| BA | 131 | PPM | ICPMS |