Sample GRTD-1-127
NavDat sample number 35578 · RHYOLITE
Sample
| Sample ID | GRTD-1-127 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.0896 |
|---|---|
| Longitude | -105.361 |
| Location | Rosita Gulch road |
| State / province | Colorado |
| Formation | LITHIC RHYOLITE DIKE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78.48 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.09 | WT% | XRF | |
| AL2O3 | 12.01 | WT% | AAS | |
| FE2O3 | 0.62 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.02 | WT% | UNKNOWN | |
| MGO | 0.09 | WT% | AAS | |
| CAO | 0.73 | WT% | XRF | |
| NA2O | 3.9 | WT% | AAS | |
| K2O | 3.99 | WT% | AAS | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 2.42 | WT% | LOI | |
| TOTAL | 101.31 | WT% | LOI | |
| BA | 234 | PPM | XRF | |
| BE | 3.6 | PPM | UNKNOWN | |
| CO | 11 | PPM | UNKNOWN | |
| CR | 6 | PPM | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| LI | 16 | PPM | UNKNOWN | |
| NI | 17 | PPM | UNKNOWN | |
| PB | 70 | PPM | UNKNOWN | |
| RB | 147 | PPM | XRF | |
| SR | 40 | PPM | XRF | |
| TH | 16 | PPM | GAMMA-RAY COUNTING | |
| U | 5.1 | PPM | GAMMA-RAY COUNTING | |
| V | 5 | PPM | UNKNOWN | |
| Y | 26 | PPM | ICP | |
| ZN | 29 | PPM | UNKNOWN | |
| ZR | 391 | PPM | XRF |