Sample SJ85-16
NavDat sample number 45723 · RHYOLITE
Sample
| Sample ID | SJ85-16 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.574 |
|---|---|
| Longitude | -106.672 |
| Location | Cattle Mountain, uppermost NW pumice-rich |
| 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 | 62.15 | WT% | XRF | |
| TIO2 | 0.725778 | WT% | XRF | |
| AL2O3 | 17.3668 | WT% | XRF | |
| FE2O3 | 5.78549 | WT% | XRF | |
| MGO | 2.32249 | WT% | XRF | |
| CAO | 4.5413 | WT% | XRF | |
| NA2O | 3.32821 | WT% | XRF | |
| K2O | 3.29711 | WT% | XRF | |
| P2O5 | 0.311048 | WT% | XRF | |
| MNO | 0.124419 | WT% | XRF | |
| LOI | 3.55 | WT% | XRF | |
| TOTAL | 99.95 | WT% | XRF | |
| ZN | 79 | PPM | XRF | |
| RB | 119 | PPM | XRF | |
| SR | 634 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 198 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 44 | PPM | XRF | |
| ND | 34 | PPM | XRF | |
| NI | -10 | PPM | XRF | |
| RB | 104 | PPM | INAA | |
| BA | 885 | PPM | INAA | |
| SR | 674 | PPM | INAA | |
| TH | 9.49 | PPM | INAA | |
| U | 2.49 | PPM | INAA | |
| LA | 43.6 | PPM | INAA | |
| CE | 93.9 | PPM | INAA | |
| ND | 41.5 | PPM | INAA | |
| SM | 8.47 | PPM | INAA | |
| EU | 1.86 | PPM | INAA | |
| GD | 6.93 | PPM | INAA | |
| TB | 0.931 | PPM | INAA | |
| TM | 0.512 | PPM | INAA | |
| YB | 2.85 | PPM | INAA | |
| LU | 0.413 | PPM | INAA | |
| TA | 1.14 | PPM | INAA | |
| ZR | 192 | PPM | INAA | |
| HF | 6.04 | PPM | INAA | |
| SB | 0.275 | PPM | INAA | |
| SC | 10.5 | PPM | INAA | |
| CR | 8.16 | PPM | INAA | |
| CO | 11.8 | PPM | INAA | |
| NI | 15.3 | PPM | INAA | |
| ZN | 85.4 | PPM | INAA |