Sample 93907
NavDat sample number 48591 · RHYOLITE
Sample
| Sample ID | 93907 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 35.88 |
|---|---|
| Longitude | -106.53 |
| Location | Valles Caldera |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.062 | 0.05 | 0.073 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.72 | WT% | XRF | |
| TIO2 | 0.33 | WT% | XRF | |
| AL2O3 | 13.58 | WT% | XRF | |
| FE2O3 | 1.05 | WT% | XRF | |
| FEO | 105 | WT% | XRF | |
| FEOT | 1.98 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.83 | WT% | XRF | |
| CAO | 1.71 | WT% | XRF | |
| NA2O | 3.13 | WT% | XRF | |
| K2O | 4.16 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| TOTAL | 98.7 | WT% | XRF | |
| RB | 149 | PPM | XRF | |
| SR | 222 | PPM | XRF | |
| ZR | 141 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| NB | 40 | PPM | XRF | |
| BA | 668 | PPM | XRF | |
| TH | 21 | PPM | XRF | |
| LA | 29 | PPM | XRF | |
| CE | 81 | PPM | XRF | |
| ND | 44 | PPM | XRF |