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Sample 88L-62A
NavDat sample number 45945 · ANDESITE
Sample
| Sample ID | 88L-62A |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.576 |
|---|
| Longitude | -106.981 |
|---|
| Location | NW of South River Peak |
|---|
| State / province | COLORADO |
|---|
| Formation | South River Caldera Cycle, Silver River volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27 |
|
26.9 |
27.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.76 | | WT% | XRF |
| TIO2 | 0.972585 | | WT% | XRF |
| AL2O3 | 16.0071 | | WT% | XRF |
| FE2O3 | 8.1454 | | WT% | XRF |
| MGO | 2.97854 | | WT% | XRF |
| CAO | 5.90643 | | WT% | XRF |
| NA2O | 3.52562 | | WT% | XRF |
| K2O | 2.82658 | | WT% | XRF |
| P2O5 | 0.435637 | | WT% | XRF |
| MNO | 0.131704 | | WT% | XRF |
| LOI | 1.29 | | WT% | XRF |
| TOTAL | 99.69 | | WT% | XRF |
| ZN | 98 | | PPM | XRF |
| RB | 59 | | PPM | XRF |
| SR | 808 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 185 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| BA | 1176 | | PPM | XRF |
| LA | 42 | | PPM | XRF |
| CE | 88 | | PPM | XRF |
| ND | 43 | | PPM | XRF |
