← Search
Sample 98L-19
NavDat sample number 46070 · ANDESITE
Sample
| Sample ID | 98L-19 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.528 |
|---|
| Longitude | -107.021 |
|---|
| State / province | COLORADO |
|---|
| Formation | La Garita Caldera Cycle, Huerto Andesite, finely porphyritic andesite flows |
|---|
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 | 61.77 | | WT% | XRF |
| TIO2 | 0.550235 | | WT% | XRF |
| AL2O3 | 17.9887 | | WT% | XRF |
| FE2O3 | 5.99623 | | WT% | XRF |
| MGO | 0.9396 | | WT% | XRF |
| CAO | 5.00129 | | WT% | XRF |
| NA2O | 4.05145 | | WT% | XRF |
| K2O | 2.58313 | | WT% | XRF |
| P2O5 | 0.412932 | | WT% | XRF |
| MNO | 0.0717252 | | WT% | XRF |
| LOI | 2.39 | | WT% | XRF |
| TOTAL | 99.365 | | WT% | XRF |
| ZN | 106 | | PPM | XRF |
| RB | 47 | | PPM | XRF |
| SR | 753 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 190 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 933 | | PPM | XRF |
| CU | 18 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
