Sample 01L-32A
NavDat sample number 46110 · RHYOLITE
Sample
| Sample ID | 01L-32A |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.322 |
|---|---|
| Longitude | -106.822 |
| Location | upper Rocky Creek |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, Tuff of Saguache Creek, lower cooling unit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.5 | WT% | XRF | |
| TIO2 | 0.212617 | WT% | XRF | |
| AL2O3 | 14.2757 | WT% | XRF | |
| FE2O3 | 1.3567 | WT% | XRF | |
| MGO | 0.141745 | WT% | XRF | |
| CAO | 0.67835 | WT% | XRF | |
| NA2O | 4.1916 | WT% | XRF | |
| K2O | 5.3863 | WT% | XRF | |
| P2O5 | 0.0911217 | WT% | XRF | |
| MNO | 0.0809971 | WT% | XRF | |
| LOI | 1.13 | WT% | XRF | |
| TOTAL | 99.839 | WT% | XRF | |
| ZN | 56 | PPM | XRF | |
| RB | 123 | PPM | XRF | |
| SR | 53 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 280 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| PB | 27 | PPM | XRF | |
| TH | 13 | PPM | XRF | |
| BA | 396 | PPM | XRF | |
| LA | 95 | PPM | XRF | |
| CE | 160 | PPM | XRF | |
| ND | 64 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| V | 38 | PPM | XRF | |
| U | 3 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| MO | -1 | PPM | XRF | |
| NI | 6 | PPM | XRF |