Sample GPT-2-4
NavDat sample number 35568 · TUFF
Sample
| Sample ID | GPT-2-4 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.6 |
|---|---|
| Longitude | -105.78 |
| 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 | 76.73 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.27 | WT% | XRF | |
| AL2O3 | 11.78 | WT% | AAS | |
| FE2O3 | 1.52 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.18 | WT% | AAS | |
| CAO | 1.12 | WT% | XRF | |
| NA2O | 3.38 | WT% | AAS | |
| K2O | 4.93 | WT% | AAS | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 1.94 | WT% | LOI | |
| TOTAL | 101.32 | WT% | LOI | |
| BA | 317 | PPM | XRF | |
| BE | 4.4 | PPM | UNKNOWN | |
| CO | 15 | PPM | UNKNOWN | |
| CR | 4 | PPM | UNKNOWN | |
| CU | 7 | PPM | UNKNOWN | |
| LI | 37 | PPM | UNKNOWN | |
| NI | 3 | PPM | UNKNOWN | |
| PB | 38 | PPM | UNKNOWN | |
| RB | 214 | PPM | XRF | |
| SR | 62 | PPM | XRF | |
| TH | 50 | PPM | GAMMA-RAY COUNTING | |
| U | 4.6 | PPM | GAMMA-RAY COUNTING | |
| V | 26 | PPM | UNKNOWN | |
| Y | 22 | PPM | ICP | |
| ZN | 32 | PPM | UNKNOWN | |
| ZR | 196 | PPM | XRF |