Sample TMAL-4-47
NavDat sample number 35635 · ANDESITE
Sample
| Sample ID | TMAL-4-47 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.7731 |
|---|---|
| Longitude | -105.484 |
| Location | Witcher Mountain quad; Park county |
| State / province | Colorado |
| Formation | THIRTYNINE MILE ANDESITE LOWER |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.88 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.3 | WT% | XRF | |
| AL2O3 | 16.39 | WT% | AAS | |
| FE2O3 | 2.84 | WT% | AAS | |
| FEO | 5.63 | WT% | AAS | |
| MNO | 0.17 | WT% | UNKNOWN | |
| MGO | 3.98 | WT% | AAS | |
| CAO | 7.2 | WT% | XRF | |
| NA2O | 3.6 | WT% | AAS | |
| K2O | 3.5 | WT% | AAS | |
| P2O5 | 0.51 | WT% | XRF | |
| LOI | 2.48 | WT% | LOI | |
| TOTAL | 100.88 | WT% | LOI | |
| BA | 1738 | PPM | XRF | |
| BE | 3.3 | PPM | UNKNOWN | |
| CO | 28 | PPM | UNKNOWN | |
| CR | 54 | PPM | UNKNOWN | |
| CU | 18 | PPM | UNKNOWN | |
| LI | 9 | PPM | UNKNOWN | |
| NI | 26 | PPM | UNKNOWN | |
| PB | 3 | PPM | UNKNOWN | |
| RB | 85 | PPM | XRF | |
| SR | 1051 | PPM | XRF | |
| TH | 10 | PPM | GAMMA-RAY COUNTING | |
| U | 1.9 | PPM | GAMMA-RAY COUNTING | |
| V | 189 | PPM | UNKNOWN | |
| Y | 32 | PPM | ICP | |
| ZN | 144 | PPM | UNKNOWN | |
| ZR | 205 | PPM | XRF |