Sample 19
NavDat sample number 10786 · ANDESITE
Sample
| Sample ID | 19 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| 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 | 66.06 | WT% | ICP | |
| AL2O3 | 16.25 | WT% | ICP | |
| TIO2 | 0.64 | WT% | ICP | |
| FE2O3 | 2.18 | WT% | ICP | |
| FEO | 1.69 | WT% | ICP | |
| MNO | 0.07 | WT% | ICP | |
| MGO | 0.86 | WT% | ICP | |
| CAO | 2.75 | WT% | ICP | |
| BAO | 0.2 | WT% | ICP | |
| NA2O | 4.33 | WT% | ICP | |
| K2O | 4.71 | WT% | ICP | |
| P2O5 | 0.25 | WT% | ICP | |
| H2O | 1.02 | WT% | ICP | |
| CO2 | 0.14 | WT% | ICP | |
| CD | 1 | PPM | ICP | |
| CO | 13 | PPM | ICP | |
| CR | 25 | PPM | ICP | |
| CU | 28 | PPM | ICP | |
| MO | 1 | PPM | ICP | |
| NI | 36 | PPM | ICP | |
| PB | 28 | PPM | ICP | |
| SB | 135 | PPM | ICP | |
| V | 70 | PPM | ICP | |
| ZN | 77 | PPM | ICP |