Sample RA-5-72
NavDat sample number 35609 · ANDESITE
Sample
| Sample ID | RA-5-72 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1028 |
|---|---|
| Longitude | -105.33 |
| Location | Rosita-Game Ridge road on Game Ridge |
| State / province | Colorado |
| Formation | ROSITA ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.23 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.69 | WT% | XRF | |
| AL2O3 | 16.88 | WT% | AAS | |
| FE2O3 | 2.29 | WT% | AAS | |
| FEO | 2.99 | WT% | AAS | |
| MNO | 0.09 | WT% | UNKNOWN | |
| MGO | 1.99 | WT% | AAS | |
| CAO | 4.84 | WT% | XRF | |
| NA2O | 3.36 | WT% | AAS | |
| K2O | 4.39 | WT% | AAS | |
| P2O5 | 0.25 | WT% | XRF | |
| LOI | 6.02 | WT% | LOI | |
| TOTAL | 99.71 | WT% | LOI | |
| BA | 1217 | PPM | XRF | |
| BE | 1.6 | PPM | UNKNOWN | |
| CO | 18 | PPM | UNKNOWN | |
| CR | 54 | PPM | UNKNOWN | |
| CU | 5 | PPM | UNKNOWN | |
| LI | 28 | PPM | UNKNOWN | |
| NI | 28 | PPM | UNKNOWN | |
| PB | 27 | PPM | UNKNOWN | |
| RB | 84 | PPM | XRF | |
| SR | 626 | PPM | XRF | |
| TH | 7.3 | PPM | GAMMA-RAY COUNTING | |
| U | 2.3 | PPM | GAMMA-RAY COUNTING | |
| V | 102 | PPM | UNKNOWN | |
| Y | 17 | PPM | ICP | |
| ZN | 71 | PPM | UNKNOWN | |
| ZR | 164 | PPM | XRF |