Sample 85L-36
NavDat sample number 45717 · RHYOLITE
Sample
| Sample ID | 85L-36 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.199 |
|---|---|
| Longitude | -106.843 |
| Location | McDonough Reservoir |
| State / province | COLORADO |
| Formation | Snowshoe Mtn. Tuff, outflow sheet, Creede Caldera cycle |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.92 | 26.85 | 26.99 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.06 | WT% | XRF | |
| TIO2 | 0.448537 | WT% | XRF | |
| AL2O3 | 11.9882 | WT% | XRF | |
| FE2O3 | 3.68004 | WT% | XRF | |
| MGO | 1.12134 | WT% | XRF | |
| CAO | 2.77277 | WT% | XRF | |
| NA2O | 2.43637 | WT% | XRF | |
| K2O | 3.54752 | WT% | XRF | |
| P2O5 | 0.193686 | WT% | XRF | |
| MNO | 0.0509701 | WT% | XRF | |
| LOI | 1.89 | WT% | XRF | |
| TOTAL | 99.3 | WT% | XRF | |
| RB | 73 | PPM | XRF | |
| SR | 425 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 146 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 800 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| CE | 56 | PPM | XRF | |
| RB | 68.1 | PPM | INAA | |
| BA | 791 | PPM | INAA | |
| SR | 410 | PPM | INAA | |
| TH | 8.5 | PPM | INAA | |
| U | 2.14 | PPM | INAA | |
| LA | 32.3 | PPM | INAA | |
| CE | 60.2 | PPM | INAA | |
| ND | 27.5 | PPM | INAA | |
| SM | 4.98 | PPM | INAA | |
| EU | 1.13 | PPM | INAA | |
| GD | 3.91 | PPM | INAA | |
| TB | 0.56 | PPM | INAA | |
| TM | 0.261 | PPM | INAA | |
| YB | 1.76 | PPM | INAA | |
| LU | 0.26 | PPM | INAA | |
| TA | 0.753 | PPM | INAA | |
| ZR | 132 | PPM | INAA | |
| HF | 4.07 | PPM | INAA | |
| SB | 0.154 | PPM | INAA | |
| SC | 6.01 | PPM | INAA | |
| CR | 5.18 | PPM | INAA | |
| CO | 6.68 | PPM | INAA | |
| NI | 6.73 | PPM | INAA | |
| ZN | 56.4 | PPM | INAA |