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Sample 88L-62E
NavDat sample number 45937 · DACITE
Sample
| Sample ID | 88L-62E |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.582 |
|---|
| Longitude | -106.997 |
|---|
| 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 | 64.55 | | WT% | XRF |
| TIO2 | 0.75458 | | WT% | XRF |
| AL2O3 | 16.7231 | | WT% | XRF |
| FE2O3 | 3.57916 | | WT% | XRF |
| MGO | 1.12167 | | WT% | XRF |
| CAO | 4.22157 | | WT% | XRF |
| NA2O | 3.64034 | | WT% | XRF |
| K2O | 4.50708 | | WT% | XRF |
| P2O5 | 0.234532 | | WT% | XRF |
| MNO | 0.0407881 | | WT% | XRF |
| LOI | 1.92 | | WT% | XRF |
| TOTAL | 99.37 | | WT% | XRF |
| ZN | 60 | | PPM | XRF |
| RB | 72 | | PPM | XRF |
| SR | 721 | | PPM | XRF |
| Y | 19 | | PPM | XRF |
| ZR | 180 | | PPM | XRF |
| NB | 11 | | PPM | XRF |
| BA | 1417 | | PPM | XRF |
| LA | 51 | | PPM | XRF |
| CE | 82 | | PPM | XRF |
| ND | 49 | | PPM | XRF |
