Sample 00L-15
NavDat sample number 46175 · DACITE
Sample
| Sample ID | 00L-15 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.15 |
|---|---|
| Longitude | -106.941 |
| Location | Cochetopa Park area, north of Pinto Basin |
| 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 | 64.55 | WT% | XRF | |
| TIO2 | 0.697072 | WT% | XRF | |
| AL2O3 | 16.164 | WT% | XRF | |
| FE2O3 | 5.2735 | WT% | XRF | |
| MGO | 1.2224 | WT% | XRF | |
| CAO | 3.75813 | WT% | XRF | |
| NA2O | 3.61669 | WT% | XRF | |
| K2O | 3.83895 | WT% | XRF | |
| P2O5 | 0.313177 | WT% | XRF | |
| MNO | 0.111127 | WT% | XRF | |
| LOI | 1.01 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| ZN | 73 | PPM | XRF | |
| RB | 109 | PPM | XRF | |
| SR | 500 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 204 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| BA | 1150 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 86 | PPM | XRF | |
| ND | 49 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| V | 79 | PPM | XRF | |
| U | 6 | PPM | XRF | |
| CR | 19 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| MO | 3 | PPM | XRF | |
| NI | 11 | PPM | XRF |