Sample 93905
NavDat sample number 48579 · RHYOLITE
Sample
| Sample ID | 93905 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.506 | 0.49 | 0.521 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.23 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| AL2O3 | 11.66 | WT% | XRF | |
| FE2O3 | 0.49 | WT% | XRF | |
| FEO | 0.49 | WT% | XRF | |
| FEOT | 0.92 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.21 | WT% | XRF | |
| CAO | 0.58 | WT% | XRF | |
| NA2O | 3.37 | WT% | XRF | |
| K2O | 4.56 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| TOTAL | 98.8 | WT% | XRF | |
| RB | 236 | PPM | XRF | |
| SR | 27 | PPM | XRF | |
| ZR | 120 | PPM | XRF | |
| Y | 61 | PPM | XRF | |
| NB | 89 | PPM | XRF | |
| BA | 137 | PPM | XRF | |
| TH | 32 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 71 | PPM | XRF | |
| ND | 38 | PPM | XRF |