Sample 01L-32B
NavDat sample number 46111 · RHYOLITE
Sample
| Sample ID | 01L-32B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.323 |
|---|---|
| Longitude | -106.824 |
| Location | upper Rocky Creek |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, Tuff of Saguache Creek, upper 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 | 72.26 | WT% | XRF | |
| TIO2 | 0.221086 | WT% | XRF | |
| AL2O3 | 14.8731 | WT% | XRF | |
| FE2O3 | 1.42701 | WT% | XRF | |
| MGO | 0.120593 | WT% | XRF | |
| CAO | 0.673309 | WT% | XRF | |
| NA2O | 4.45188 | WT% | XRF | |
| K2O | 5.54726 | WT% | XRF | |
| P2O5 | 0.0703457 | WT% | XRF | |
| MNO | 0.0703457 | WT% | XRF | |
| LOI | 0.49 | WT% | XRF | |
| TOTAL | 99.6397 | WT% | XRF | |
| ZN | 69 | PPM | XRF | |
| RB | 128 | PPM | XRF | |
| SR | 52 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 303 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| PB | 31 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| BA | 399 | PPM | XRF | |
| LA | 93 | PPM | XRF | |
| CE | 167 | PPM | XRF | |
| ND | 62 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| V | 19 | PPM | XRF | |
| U | 5 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 4 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| MO | 2 | PPM | XRF | |
| NI | 4 | PPM | XRF |