Sample 00L-31-B
NavDat sample number 45674 · RHYOLITE
Sample
| Sample ID | 00L-31-B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.226 |
|---|---|
| Longitude | -106.732 |
| 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 | 82.57 | WT% | XRF | |
| TIO2 | 0.08 | WT% | XRF | |
| AL2O3 | 9.45 | WT% | XRF | |
| FE2O3 | 0.56 | WT% | XRF | |
| MGO | -0.1 | WT% | XRF | |
| CAO | 0.49 | WT% | XRF | |
| NA2O | 2.87 | WT% | XRF | |
| K2O | 3.64 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| LOI | 2.5 | WT% | XRF | |
| TOTAL | 99.79 | WT% | XRF | |
| ZN | 21 | PPM | XRF | |
| RB | 153 | PPM | XRF | |
| SR | 18 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 102 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| TH | 11 | PPM | XRF | |
| BA | 35 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| CE | 51 | PPM | XRF | |
| ND | 25 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 11 | PPM | XRF | |
| U | 5 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | -3 | PPM | XRF | |
| GA | 14 | PPM | XRF | |
| MO | 3 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| CS | 2.77 | PPM | INAA | |
| RB | 154 | PPM | INAA | |
| BA | 38.5 | PPM | INAA | |
| SR | 27 | PPM | INAA | |
| TH | 13.3 | PPM | INAA | |
| U | 3.7 | PPM | INAA | |
| LA | 23.6 | PPM | INAA | |
| CE | 44.5 | PPM | INAA | |
| ND | 12.2 | PPM | INAA | |
| SM | 2.14 | PPM | INAA | |
| EU | 0.07 | PPM | INAA | |
| GD | 2.1 | PPM | INAA | |
| TB | 0.33 | PPM | INAA | |
| HO | 0.58 | PPM | INAA | |
| TM | 0.58 | PPM | INAA | |
| YB | 2.39 | PPM | INAA | |
| LU | 0.37 | PPM | INAA | |
| TA | 1.5 | PPM | INAA | |
| ZR | 88 | PPM | INAA | |
| HF | 3.94 | PPM | INAA | |
| SB | 0.1 | PPM | INAA | |
| SC | 1 | PPM | INAA | |
| CR | 0.2 | PPM | INAA | |
| CO | 0.08 | PPM | INAA | |
| NI | 3 | PPM | INAA | |
| ZN | 16 | PPM | INAA |