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Sample LR88-671
NavDat sample number 45962 · ANDESITE
Sample
| Sample ID | LR88-671 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37 |
|---|
| Longitude | -107 |
|---|
| Location | ?? |
|---|
| 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 | 59.09 | | WT% | XRF |
| TIO2 | 1.05631 | | WT% | XRF |
| AL2O3 | 16.4236 | | WT% | XRF |
| FE2O3 | 7.18087 | | WT% | XRF |
| MGO | 3.29081 | | WT% | XRF |
| CAO | 5.40343 | | WT% | XRF |
| NA2O | 3.55489 | | WT% | XRF |
| K2O | 3.1283 | | WT% | XRF |
| P2O5 | 0.467214 | | WT% | XRF |
| MNO | 0.142196 | | WT% | XRF |
| LOI | 1.54 | | WT% | XRF |
| TOTAL | 99.74 | | WT% | XRF |
| RB | 76 | | PPM | XRF |
| SR | 756 | | PPM | XRF |
| ZR | 203 | | PPM | XRF |
| BA | 1137 | | PPM | XRF |
