← Search
Sample 88L-62B
NavDat sample number 45946 · ANDESITE
Sample
| Sample ID | 88L-62B |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.581 |
|---|
| Longitude | -106.986 |
|---|
| 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 | 61.75 | | WT% | XRF |
| TIO2 | 0.873462 | | WT% | XRF |
| AL2O3 | 15.9458 | | WT% | XRF |
| FE2O3 | 7.11973 | | WT% | XRF |
| MGO | 2.36647 | | WT% | XRF |
| CAO | 4.82435 | | WT% | XRF |
| NA2O | 3.49385 | | WT% | XRF |
| K2O | 3.04696 | | WT% | XRF |
| P2O5 | 0.335166 | | WT% | XRF |
| MNO | 0.162505 | | WT% | XRF |
| LOI | 1.54 | | WT% | XRF |
| TOTAL | 99.92 | | WT% | XRF |
| ZN | 67 | | PPM | XRF |
| RB | 68 | | PPM | XRF |
| SR | 674 | | PPM | XRF |
| Y | 24 | | PPM | XRF |
| ZR | 186 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| BA | 949 | | PPM | XRF |
| LA | 40 | | PPM | XRF |
| CE | 77 | | PPM | XRF |
| ND | 44 | | PPM | XRF |
