Sample 00L-7
NavDat sample number 46166 · RHYOLITE
Sample
| Sample ID | 00L-7 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.142 |
|---|---|
| Longitude | -106.632 |
| Location | Cochetopa Park area, south of Archuleta Creek |
| State / province | COLORADO |
| Formation | Conejos Formation and related early rocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.33 | WT% | XRF | |
| TIO2 | 0.263704 | WT% | XRF | |
| AL2O3 | 14.808 | WT% | XRF | |
| FE2O3 | 0.95339 | WT% | XRF | |
| MGO | 0.223134 | WT% | XRF | |
| CAO | 0.649117 | WT% | XRF | |
| NA2O | 3.90484 | WT% | XRF | |
| K2O | 5.42621 | WT% | XRF | |
| P2O5 | 0.0608547 | WT% | XRF | |
| MNO | 0.0608547 | WT% | XRF | |
| LOI | 1.4 | WT% | XRF | |
| TOTAL | 99.68 | WT% | XRF | |
| ZN | 31 | PPM | XRF | |
| RB | 133 | PPM | XRF | |
| SR | 112 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZR | 255 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| PB | 27 | PPM | XRF | |
| TH | 16 | PPM | XRF | |
| BA | 895 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 148 | PPM | XRF | |
| ND | 29 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 10 | PPM | XRF | |
| U | -2 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 8 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| MO | 2 | PPM | XRF | |
| NI | -2 | PPM | XRF |