Sample GRT-1-17
NavDat sample number 35576 · TRACHYTE
Sample
| Sample ID | GRT-1-17 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1119 |
|---|---|
| Longitude | -105.327 |
| Location | intersection Cottonwood Gulch and Poverty Gulch |
| State / province | Colorado |
| Formation | GAME RIDGE TRACHYTE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.6 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.51 | WT% | XRF | |
| AL2O3 | 18.74 | WT% | AAS | |
| FE2O3 | 2.05 | WT% | AAS | |
| FEO | 0.71 | WT% | AAS | |
| MNO | 0.14 | WT% | UNKNOWN | |
| MGO | 0.21 | WT% | AAS | |
| CAO | 1.66 | WT% | XRF | |
| NA2O | 5.73 | WT% | AAS | |
| K2O | 5.57 | WT% | AAS | |
| P2O5 | 0.09 | WT% | XRF | |
| LOI | 1.89 | WT% | LOI | |
| TOTAL | 98.97 | WT% | LOI | |
| BA | 1773 | PPM | XRF | |
| BE | 3.4 | PPM | UNKNOWN | |
| CO | 13 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| LI | 13 | PPM | UNKNOWN | |
| NI | 3 | PPM | UNKNOWN | |
| PB | 45 | PPM | UNKNOWN | |
| RB | 130 | PPM | XRF | |
| SR | 431 | PPM | XRF | |
| TH | 26 | PPM | GAMMA-RAY COUNTING | |
| U | 4.3 | PPM | GAMMA-RAY COUNTING | |
| V | 41 | PPM | UNKNOWN | |
| Y | 28 | PPM | ICP | |
| ZN | 74 | PPM | UNKNOWN | |
| ZR | 398 | PPM | XRF |