Sample MGE789
NavDat sample number 16184 · RHYOLITE
Sample
| Sample ID | MGE789 |
|---|---|
| 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 | 76.04 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 12.96 | WT% | XRF | |
| FE2O3 | 0.84 | WT% | XRF | |
| FEO | 0.36 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.18 | WT% | XRF | |
| CAO | 0.48 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| K2O | 5.33 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| H2O_PLUS | 0.45 | WT% | XRF | |
| TOTAL | 100.41 | WT% | XRF | |
| RB | 177 | PPM | ICPMS | |
| SR | 27 | PPM | ICPMS | |
| Y | 40 | PPM | ICPMS | |
| ZR | 164 | PPM | ICPMS | |
| NB | 36 | PPM | ICPMS | |
| BA | 154 | PPM | ICPMS |