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Sample 88L-66
NavDat sample number 45948 · ANDESITE
Sample
| Sample ID | 88L-66 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.594 |
|---|
| Longitude | -106.987 |
|---|
| Location | North ridge 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 | 61.27 | | WT% | XRF |
| TIO2 | 0.786297 | | WT% | XRF |
| AL2O3 | 16.2365 | | WT% | XRF |
| FE2O3 | 6.40271 | | WT% | XRF |
| MGO | 2.33847 | | WT% | XRF |
| CAO | 5.10583 | | WT% | XRF |
| NA2O | 3.31879 | | WT% | XRF |
| K2O | 3.38006 | | WT% | XRF |
| P2O5 | 0.449313 | | WT% | XRF |
| MNO | 0.102117 | | WT% | XRF |
| LOI | 2.06 | | WT% | XRF |
| TOTAL | 99.39 | | WT% | XRF |
| ZN | 93 | | PPM | XRF |
| RB | 62 | | PPM | XRF |
| SR | 788 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 191 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| BA | 1561 | | PPM | XRF |
| LA | 53 | | PPM | XRF |
| CE | 85 | | PPM | XRF |
| ND | 47 | | PPM | XRF |
