Sample GRD-1-12
NavDat sample number 35575 · RHYOLITE
Sample
| Sample ID | GRD-1-12 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.7586 |
|---|---|
| Longitude | -105.577 |
| Location | Chumway Park |
| State / province | Colorado |
| Formation | CHUMWAY RHYOLITE DOME |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.62 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.07 | WT% | XRF | |
| AL2O3 | 14.71 | WT% | AAS | |
| FE2O3 | 1.04 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.03 | WT% | UNKNOWN | |
| MGO | 0.09 | WT% | AAS | |
| CAO | 1.36 | WT% | XRF | |
| NA2O | 3.92 | WT% | AAS | |
| K2O | 5.13 | WT% | AAS | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 1.07 | WT% | LOI | |
| TOTAL | 99.47 | WT% | LOI | |
| BA | 1048 | PPM | XRF | |
| BE | 2 | PPM | UNKNOWN | |
| CO | 7 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 2 | PPM | UNKNOWN | |
| LI | 6 | PPM | UNKNOWN | |
| NI | 2 | PPM | UNKNOWN | |
| PB | 22 | PPM | UNKNOWN | |
| RB | 118 | PPM | XRF | |
| SR | 311 | PPM | XRF | |
| TH | 6.9 | PPM | GAMMA-RAY COUNTING | |
| U | 2.4 | PPM | GAMMA-RAY COUNTING | |
| V | 1 | PPM | UNKNOWN | |
| Y | 19 | PPM | ICP | |
| ZN | 26 | PPM | UNKNOWN | |
| ZR | 82 | PPM | XRF | |
| SR87_SR86 | 0.70526 | TIMS_ID | ||
| SR | 1672 | PPM | TIMS_ID |