Sample 02L-13
NavDat sample number 46170 · RHYOLITE
Sample
| Sample ID | 02L-13 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.224 |
|---|---|
| Longitude | -106.524 |
| Location | Cochetopa Park area, south of Spanish 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 | 73.15 | WT% | XRF | |
| TIO2 | 0.251894 | WT% | XRF | |
| AL2O3 | 14.1061 | WT% | XRF | |
| FE2O3 | 1.77333 | WT% | XRF | |
| MGO | 0.392955 | WT% | XRF | |
| CAO | 1.43076 | WT% | XRF | |
| NA2O | 3.83887 | WT% | XRF | |
| K2O | 4.60462 | WT% | XRF | |
| P2O5 | 0.141061 | WT% | XRF | |
| MNO | 0.0503788 | WT% | XRF | |
| LOI | 0.75 | WT% | XRF | |
| TOTAL | 99.74 | WT% | XRF | |
| ZN | 39 | PPM | XRF | |
| RB | 102 | PPM | XRF | |
| SR | 301 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 972 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 87 | PPM | XRF | |
| ND | 45 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 21 | PPM | XRF | |
| U | 4 | PPM | XRF | |
| CR | 9 | PPM | XRF | |
| CS | 10 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 6 | PPM | XRF |