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Sample DS85-144
NavDat sample number 45781 · ANDESITE
Sample
| Sample ID | DS85-144 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.032 |
|---|
| Longitude | -107.011 |
|---|
| Location | north of Mineral Mtn. |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, volcanics of Stewart Peak |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.5 |
|
26.1 |
26.9 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.05 | | WT% | XRF |
| TIO2 | 1.10056 | | WT% | XRF |
| AL2O3 | 17.3441 | | WT% | XRF |
| FE2O3 | 8.6007 | | WT% | XRF |
| MGO | 2.1298 | | WT% | XRF |
| CAO | 5.5232 | | WT% | XRF |
| NA2O | 3.4036 | | WT% | XRF |
| K2O | 3.4036 | | WT% | XRF |
| P2O5 | 0.438188 | | WT% | XRF |
| MNO | 0.0815233 | | WT% | XRF |
| LOI | 1.87 | | WT% | XRF |
| TOTAL | 100.08 | | WT% | XRF |
| ZN | 76 | | PPM | XRF |
| RB | 104 | | PPM | XRF |
| SR | 673 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 194 | | PPM | XRF |
| NB | 21 | | PPM | XRF |
| PB | 50 | | PPM | XRF |
| CU | 34 | | PPM | XRF |
| NI | 47 | | PPM | XRF |
