Sample RHA-1-75
NavDat sample number 35612 · ANDESITE
Sample
| Sample ID | RHA-1-75 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.0834 |
|---|---|
| Longitude | -105.378 |
| Location | Schoolfield road |
| State / province | Colorado |
| Formation | ROSITA HORNBLENDE ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.33 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.66 | WT% | XRF | |
| AL2O3 | 18.19 | WT% | AAS | |
| FE2O3 | 2.22 | WT% | AAS | |
| FEO | 2.21 | WT% | AAS | |
| MNO | 0.11 | WT% | UNKNOWN | |
| MGO | 0.9 | WT% | AAS | |
| CAO | 3.53 | WT% | XRF | |
| NA2O | 5.05 | WT% | AAS | |
| K2O | 4.56 | WT% | AAS | |
| P2O5 | 0.25 | WT% | XRF | |
| LOI | 2.73 | WT% | LOI | |
| TOTAL | 99 | WT% | LOI | |
| BA | 1900 | PPM | XRF | |
| BE | 2.4 | PPM | UNKNOWN | |
| CO | 14 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 10 | PPM | UNKNOWN | |
| LI | 22 | PPM | UNKNOWN | |
| NI | 13 | PPM | UNKNOWN | |
| PB | 49 | PPM | UNKNOWN | |
| RB | 98 | PPM | XRF | |
| SR | 921 | PPM | XRF | |
| TH | 15 | PPM | GAMMA-RAY COUNTING | |
| U | 3.6 | PPM | GAMMA-RAY COUNTING | |
| V | 68 | PPM | UNKNOWN | |
| Y | 21 | PPM | ICP | |
| ZN | 73 | PPM | UNKNOWN | |
| ZR | 284 | PPM | XRF |