Sample RA-1-18
NavDat sample number 35605 · ANDESITE
Sample
| Sample ID | RA-1-18 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1273 |
|---|---|
| Longitude | -105.33 |
| Location | Querida-Rosita road |
| 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 | 59.99 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.05 | WT% | XRF | |
| AL2O3 | 17.19 | WT% | AAS | |
| FE2O3 | 2.62 | WT% | AAS | |
| FEO | 3.41 | WT% | AAS | |
| MNO | 0.17 | WT% | UNKNOWN | |
| MGO | 0.82 | WT% | AAS | |
| CAO | 5.91 | WT% | XRF | |
| NA2O | 4.51 | WT% | AAS | |
| K2O | 3.9 | WT% | AAS | |
| P2O5 | 0.43 | WT% | XRF | |
| LOI | 4.8 | WT% | LOI | |
| TOTAL | 100.41 | WT% | LOI | |
| BA | 1798 | PPM | XRF | |
| BE | 2 | PPM | UNKNOWN | |
| CO | 20 | PPM | UNKNOWN | |
| CR | 56 | PPM | UNKNOWN | |
| CU | 25 | PPM | UNKNOWN | |
| LI | 20 | PPM | UNKNOWN | |
| NI | 18 | PPM | UNKNOWN | |
| PB | 27 | PPM | UNKNOWN | |
| RB | 70 | PPM | XRF | |
| SR | 1204 | PPM | XRF | |
| TH | 16 | PPM | GAMMA-RAY COUNTING | |
| U | 4.8 | PPM | GAMMA-RAY COUNTING | |
| V | 121 | PPM | UNKNOWN | |
| Y | 20 | PPM | ICP | |
| ZN | 69 | PPM | UNKNOWN | |
| ZR | 257 | PPM | XRF |