Sample DS85-139
NavDat sample number 45842 · RHYOLITE
Sample
| Sample ID | DS85-139 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.024 |
|---|---|
| Longitude | -107.007 |
| Location | Mineral Mountain area |
| State / province | COLORADO |
| Formation | Cebolla Creek Caldera Cycle, Mineral Mtn. Rhyolite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 26.9 | 27.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.85 | WT% | XRF | |
| TIO2 | 0.233458 | WT% | XRF | |
| AL2O3 | 13.6998 | WT% | XRF | |
| FE2O3 | 1.64482 | WT% | XRF | |
| MGO | 0.382023 | WT% | XRF | |
| CAO | 1.36892 | WT% | XRF | |
| NA2O | 3.38515 | WT% | XRF | |
| K2O | 4.87079 | WT% | XRF | |
| P2O5 | 0.0530587 | WT% | XRF | |
| MNO | 0.084894 | WT% | XRF | |
| LOI | 5.74 | WT% | XRF | |
| TOTAL | 99.57 | WT% | XRF | |
| RB | 182 | PPM | XRF | |
| SR | 169 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 161 | PPM | XRF | |
| NB | 26 | PPM | XRF | |
| RB | 164 | PPM | INAA | |
| BA | 513 | PPM | INAA | |
| SR | 176 | PPM | INAA | |
| TH | 12.1 | PPM | INAA | |
| U | 4.45 | PPM | INAA | |
| LA | 37.4 | PPM | INAA | |
| CE | 75 | PPM | INAA | |
| ND | 30.3 | PPM | INAA | |
| SM | 5.66 | PPM | INAA | |
| EU | 0.716 | PPM | INAA | |
| GD | 4.9 | PPM | INAA | |
| TB | 0.685 | PPM | INAA | |
| TM | 0.382 | PPM | INAA | |
| YB | 2.57 | PPM | INAA | |
| LU | 0.379 | PPM | INAA | |
| TA | 1.5 | PPM | INAA | |
| ZR | 139 | PPM | INAA | |
| HF | 5.15 | PPM | INAA | |
| SB | 0.163 | PPM | INAA | |
| SC | 2.56 | PPM | INAA | |
| CR | 0.335 | PPM | INAA | |
| CO | 1.49 | PPM | INAA | |
| NI | 4.88 | PPM | INAA | |
| ZN | 56.4 | PPM | INAA |