Sample HA 7
NavDat sample number 42946 · ANDESITE
Sample
| Sample ID | HA 7 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | hornblende andesite |
Location
| Latitude | 37.519 |
|---|---|
| Longitude | -106.957 |
| 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 | 59.44 | WT% | XRF | |
| TIO2 | 0.65 | WT% | XRF | |
| AL2O3 | 17.4 | WT% | XRF | |
| FE2O3 | 6.53 | WT% | XRF | |
| MGO | 2.25 | WT% | XRF | |
| CAO | 5.82 | WT% | XRF | |
| NA2O | 3.28 | WT% | XRF | |
| K2O | 2.69 | WT% | XRF | |
| P2O5 | 0.3 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 98.51 | WT% | XRF | |
| ZN | 78 | PPM | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 644 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 156 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| PB | 12 | PPM | XRF | |
| TH | 4 | PPM | XRF | |
| BA | 761 | PPM | XRF | |
| LA | 31 | PPM | XRF | |
| CE | 53 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| V | 93 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| HF | 3 | PPM | INAA |