Sample KGT-2-99
NavDat sample number 35593 · TUFF
Sample
| Sample ID | KGT-2-99 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.4094 |
|---|---|
| Longitude | -105.792 |
| Location | quarry in Howard paleovalley |
| State / province | Colorado |
| Formation | FISH CANYON TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.8 | 22.8 | 32.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.19 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.34 | WT% | XRF | |
| AL2O3 | 14.03 | WT% | AAS | |
| FE2O3 | 1.84 | WT% | AAS | |
| FEO | 1.02 | WT% | AAS | |
| MNO | 0.07 | WT% | UNKNOWN | |
| MGO | 0.64 | WT% | AAS | |
| CAO | 1.88 | WT% | XRF | |
| NA2O | 2.43 | WT% | AAS | |
| K2O | 6.44 | WT% | AAS | |
| P2O5 | 0.12 | WT% | XRF | |
| LOI | 0.77 | WT% | LOI | |
| TOTAL | 100.8 | WT% | LOI | |
| BA | 726 | PPM | XRF | |
| BE | 4.2 | PPM | UNKNOWN | |
| CO | 10 | PPM | UNKNOWN | |
| CR | 3 | PPM | UNKNOWN | |
| CU | 7 | PPM | UNKNOWN | |
| F | 480 | PPM | UNKNOWN | |
| LI | 33 | PPM | UNKNOWN | |
| NI | 5 | PPM | UNKNOWN | |
| PB | 25 | PPM | UNKNOWN | |
| RB | 168 | PPM | XRF | |
| SR | 274 | PPM | XRF | |
| TH | 13 | PPM | GAMMA-RAY COUNTING | |
| U | 2.8 | PPM | GAMMA-RAY COUNTING | |
| V | 40 | PPM | UNKNOWN | |
| Y | 16 | PPM | ICP | |
| ZN | 43 | PPM | UNKNOWN | |
| ZR | 139 | PPM | XRF | |
| SR87_SR86 | 0.70632 | TIMS_ID | ||
| SR | 1037 | PPM | TIMS_ID |