Sample 18
NavDat sample number 10785 · RHYOLITE
Sample
| Sample ID | 18 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38 |
|---|---|
| Longitude | -106 |
| Location | Bonanza Caldera |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28 | 27.7 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.75 | WT% | ICP | |
| AL2O3 | 12.74 | WT% | ICP | |
| TIO2 | 0.19 | WT% | ICP | |
| FE2O3 | 1.66 | WT% | ICP | |
| FEO | 0.18 | WT% | ICP | |
| MNO | 0.084 | WT% | ICP | |
| MGO | 0.35 | WT% | ICP | |
| CAO | 0.88 | WT% | ICP | |
| NA2O | 3.96 | WT% | ICP | |
| K2O | 5.16 | WT% | ICP | |
| P2O5 | 0.04 | WT% | ICP | |
| H2O | 3.75 | WT% | ICP | |
| CO2 | 0.04 | WT% | ICP | |
| CD | 2 | PPM | ICP | |
| CO | 15 | PPM | ICP | |
| CR | 7 | PPM | ICP | |
| CU | 9 | PPM | ICP | |
| MO | 1 | PPM | ICP | |
| NI | 35 | PPM | ICP | |
| PB | 31 | PPM | ICP | |
| SB | 157 | PPM | ICP | |
| V | 26 | PPM | ICP | |
| ZN | 60 | PPM | ICP |