Sample PC-4
NavDat sample number 45686
Sample
| Sample ID | PC-4 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
Location
| Latitude | 38.208 |
|---|---|
| Longitude | -106.71 |
| Location | Cochetopa Dome |
| State / province | COLORADO |
| Formation | Rhyolite of Cochetopa Dome |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.3 | 26.21 | 26.39 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.65 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| AL2O3 | 16.76 | WT% | XRF | |
| FE2O3 | 7.25 | WT% | XRF | |
| MGO | 2.87 | WT% | XRF | |
| CAO | 4.91 | WT% | XRF | |
| NA2O | 3.62 | WT% | XRF | |
| K2O | 4.52 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 0.94 | WT% | XRF | |
| TOTAL | 99.05 | WT% | XRF | |
| ZN | 225 | PPM | XRF | |
| RB | 126 | PPM | XRF | |
| SR | 785 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 371 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| TH | 8 | PPM | XRF | |
| BA | 2080 | PPM | XRF | |
| LA | 82 | PPM | XRF | |
| CE | 120 | PPM | XRF | |
| ND | 77 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| V | 136 | PPM | XRF | |
| U | -2 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 13 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| MO | 7 | PPM | XRF | |
| NI | 14 | PPM | XRF | |
| CS | 5.13 | PPM | INAA | |
| RB | 126 | PPM | INAA | |
| BA | 2120 | PPM | INAA | |
| SR | 846 | PPM | INAA | |
| TH | 7 | PPM | INAA | |
| U | 2.62 | PPM | INAA | |
| LA | 81.4 | PPM | INAA | |
| CE | 130 | PPM | INAA | |
| ND | 67.2 | PPM | INAA | |
| SM | 11.5 | PPM | INAA | |
| EU | 2.8 | PPM | INAA | |
| GD | 8.26 | PPM | INAA | |
| TB | 1.09 | PPM | INAA | |
| HO | 1.4 | PPM | INAA | |
| TM | 1.4 | PPM | INAA | |
| YB | 3.24 | PPM | INAA | |
| LU | 0.488 | PPM | INAA | |
| TA | 0.95 | PPM | INAA | |
| ZR | 370 | PPM | INAA | |
| HF | 8.4 | PPM | INAA | |
| SB | 0 | PPM | INAA | |
| SC | 15.1 | PPM | INAA | |
| CR | 29.7 | PPM | INAA | |
| CO | 18.9 | PPM | INAA | |
| NI | 29.2 | PPM | INAA | |
| ZN | 246 | PPM | INAA |