Sample HA 12
NavDat sample number 42950 · ANDESITE
Sample
| Sample ID | HA 12 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | hornblende andesite |
Location
| Latitude | 37.539 |
|---|---|
| Longitude | -106.975 |
| Location | W. Fork San Juan River |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.71 | 27.62 | 27.8 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.18 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 17.76 | WT% | XRF | |
| FE2O3 | 6.18 | WT% | XRF | |
| MGO | 2.18 | WT% | XRF | |
| CAO | 5.94 | WT% | XRF | |
| NA2O | 3.17 | WT% | XRF | |
| K2O | 2.89 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 98.56 | WT% | XRF | |
| ZN | 94 | PPM | XRF | |
| RB | 53 | PPM | XRF | |
| SR | 744 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| TH | -2 | PPM | XRF | |
| BA | 829 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 69 | PPM | XRF | |
| ND | 34 | PPM | XRF | |
| CU | 13 | PPM | XRF | |
| V | 72 | PPM | XRF | |
| CR | 3 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| HF | 6 | PPM | INAA |