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Sample 88L-57
NavDat sample number 45896 · ANDESITE
Sample
| Sample ID | 88L-57 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.793 |
|---|
| Longitude | -107.058 |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek or late flow of SR cycle? Caldera Cycle, andesite of Bristol Head, thick capping flow |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.5 |
|
28 |
35 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.46 | | WT% | XRF |
| TIO2 | 0.719722 | | WT% | XRF |
| AL2O3 | 16.3607 | | WT% | XRF |
| FE2O3 | 5.48112 | | WT% | XRF |
| MGO | 1.93253 | | WT% | XRF |
| CAO | 4.3214 | | WT% | XRF |
| NA2O | 3.50163 | | WT% | XRF |
| K2O | 4.0039 | | WT% | XRF |
| P2O5 | 0.350163 | | WT% | XRF |
| MNO | 0.106172 | | WT% | XRF |
| LOI | 2.03 | | WT% | XRF |
| TOTAL | 99.24 | | WT% | XRF |
