Sample 8
NavDat sample number 10775 · DACITE
Sample
| Sample ID | 8 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.2 |
|---|---|
| Longitude | -106.3 |
| Location | Bonanza Caldera |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 70 | 59.5 | 80.5 |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.94 | WT% | ICP | |
| AL2O3 | 17.21 | WT% | ICP | |
| TIO2 | 0.79 | WT% | ICP | |
| FE2O3 | 2.34 | WT% | ICP | |
| FEO | 1.8 | WT% | ICP | |
| MNO | 0.04 | WT% | ICP | |
| MGO | 1.13 | WT% | ICP | |
| CAO | 3.25 | WT% | ICP | |
| BAO | 0.14 | WT% | ICP | |
| NA2O | 3.93 | WT% | ICP | |
| K2O | 5.13 | WT% | ICP | |
| P2O5 | 0.29 | WT% | ICP | |
| H2O | 0.97 | WT% | ICP | |
| CD | 1 | PPM | ICP | |
| CO | 18 | PPM | ICP | |
| CR | 30 | PPM | ICP | |
| CU | 15 | PPM | ICP | |
| MO | 1 | PPM | ICP | |
| NI | 47 | PPM | ICP | |
| PB | 36 | PPM | ICP | |
| SB | 138 | PPM | ICP | |
| V | 104 | PPM | ICP | |
| ZN | 79 | PPM | ICP |