Sample GPT-5-57
NavDat sample number 35571 · TUFF
Sample
| Sample ID | GPT-5-57 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.6059 |
|---|---|
| Longitude | -105.671 |
| Location | Stirrup Ranch dirt access road to Waugh Mountain |
| State / province | Colorado |
| Formation | GRIBBLES PARK TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 28 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.76 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.41 | WT% | XRF | |
| AL2O3 | 13.64 | WT% | AAS | |
| FE2O3 | 1.91 | WT% | AAS | |
| FEO | 0.45 | WT% | AAS | |
| MNO | 0.06 | WT% | UNKNOWN | |
| MGO | 0.41 | WT% | AAS | |
| CAO | 1.62 | WT% | XRF | |
| NA2O | 3.81 | WT% | AAS | |
| K2O | 4.87 | WT% | AAS | |
| P2O5 | 0.06 | WT% | XRF | |
| LOI | 1.09 | WT% | LOI | |
| TOTAL | 101.3 | WT% | LOI | |
| BA | 863 | PPM | XRF | |
| BE | 5.2 | PPM | UNKNOWN | |
| CO | 10 | PPM | UNKNOWN | |
| CR | 5 | PPM | UNKNOWN | |
| CU | 4 | PPM | UNKNOWN | |
| LI | 35 | PPM | UNKNOWN | |
| NI | 5 | PPM | UNKNOWN | |
| PB | 32 | PPM | UNKNOWN | |
| RB | 189 | PPM | XRF | |
| SR | 261 | PPM | XRF | |
| TH | 34 | PPM | GAMMA-RAY COUNTING | |
| U | 7.4 | PPM | GAMMA-RAY COUNTING | |
| V | 31 | PPM | UNKNOWN | |
| Y | 53 | PPM | ICP | |
| ZN | 38 | PPM | UNKNOWN | |
| ZR | 311 | PPM | XRF |