Sample GPT-7-150
NavDat sample number 35573 · TUFF
Sample
| Sample ID | GPT-7-150 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.6 |
|---|---|
| Longitude | -105.6 |
| State / province | Colorado |
| Formation | GRIBBLES PARK TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.8 | 31.9 | 33.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.21 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.37 | WT% | XRF | |
| AL2O3 | 14.33 | WT% | AAS | |
| FE2O3 | 1.89 | WT% | AAS | |
| FEO | 0.63 | WT% | AAS | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.53 | WT% | AAS | |
| CAO | 1.2 | WT% | XRF | |
| NA2O | 4.07 | WT% | AAS | |
| K2O | 5.6 | WT% | AAS | |
| P2O5 | 0.14 | WT% | XRF | |
| LOI | 1.1 | WT% | LOI | |
| TOTAL | 99.72 | WT% | LOI | |
| BA | 669 | PPM | XRF | |
| BE | 3 | PPM | UNKNOWN | |
| CO | 17 | PPM | UNKNOWN | |
| CR | 7 | PPM | UNKNOWN | |
| CU | 28 | PPM | UNKNOWN | |
| NI | 3 | PPM | UNKNOWN | |
| PB | 28 | PPM | UNKNOWN | |
| SR | 213 | PPM | XRF | |
| TH | 24 | PPM | GAMMA-RAY COUNTING | |
| U | 5 | PPM | GAMMA-RAY COUNTING | |
| V | 35 | PPM | UNKNOWN | |
| Y | 23 | PPM | ICP | |
| ZN | 66 | PPM | UNKNOWN | |
| ZR | 167 | PPM | XRF | |
| SR87_SR86 | 0.70665 | TIMS_ID | ||
| SR | 1302 | PPM | TIMS_ID |