Sample PC-1
NavDat sample number 45676 · RHYOLITE
Sample
| Sample ID | PC-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.221 |
|---|---|
| Longitude | -106.719 |
| 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 | 76.71 | WT% | XRF | |
| TIO2 | 0.1 | WT% | XRF | |
| AL2O3 | 12.87 | WT% | XRF | |
| FE2O3 | 0.77 | WT% | XRF | |
| MGO | -0.1 | WT% | XRF | |
| CAO | 0.41 | WT% | XRF | |
| NA2O | 3.97 | WT% | XRF | |
| K2O | 5.1 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| LOI | 0.1 | WT% | XRF | |
| TOTAL | 100.05 | WT% | XRF | |
| ZN | 59 | PPM | XRF | |
| RB | 210 | PPM | XRF | |
| SR | -2 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 130 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| PB | 34 | PPM | XRF | |
| TH | 16 | PPM | XRF | |
| BA | 13 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 66 | PPM | XRF | |
| ND | -7 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 13 | PPM | XRF | |
| U | 6 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| MO | 13 | PPM | XRF | |
| NI | 3 | PPM | XRF | |
| CS | 4.26 | PPM | INAA | |
| RB | 211 | PPM | INAA | |
| BA | 30.6 | PPM | INAA | |
| SR | 8.4 | PPM | INAA | |
| TH | 17.9 | PPM | INAA | |
| U | 6.6 | PPM | INAA | |
| LA | 32.5 | PPM | INAA | |
| CE | 59.1 | PPM | INAA | |
| ND | 15.3 | PPM | INAA | |
| SM | 2.9 | PPM | INAA | |
| EU | 0.1 | PPM | INAA | |
| GD | 2.99 | PPM | INAA | |
| TB | 0.44 | PPM | INAA | |
| HO | 0.78 | PPM | INAA | |
| TM | 0.775 | PPM | INAA | |
| YB | 3.14 | PPM | INAA | |
| LU | 0.476 | PPM | INAA | |
| TA | 2.02 | PPM | INAA | |
| ZR | 120 | PPM | INAA | |
| HF | 5.46 | PPM | INAA | |
| SB | 0 | PPM | INAA | |
| SC | 1.9 | PPM | INAA | |
| CR | 0.29 | PPM | INAA | |
| CO | 0.0515 | PPM | INAA | |
| NI | 1.93 | PPM | INAA | |
| ZN | 51.3 | PPM | INAA |