Sample 02L-12
NavDat sample number 46099 · DACITE
Sample
| Sample ID | 02L-12 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.216 |
|---|---|
| Longitude | -106.496 |
| Location | Spanish Creek |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, Tuff of Luders Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66 | WT% | XRF | |
| TIO2 | 0.382301 | WT% | XRF | |
| AL2O3 | 17.2035 | WT% | XRF | |
| FE2O3 | 2.96786 | WT% | XRF | |
| MGO | 0.714299 | WT% | XRF | |
| CAO | 0.090545 | WT% | XRF | |
| NA2O | 2.26362 | WT% | XRF | |
| K2O | 4.55743 | WT% | XRF | |
| P2O5 | 5.29185 | WT% | XRF | |
| MNO | 0.221332 | WT% | XRF | |
| LOI | 0.6 | WT% | XRF | |
| TOTAL | 99.69 | WT% | XRF | |
| ZN | 60 | PPM | XRF | |
| RB | 89 | PPM | XRF | |
| SR | 546 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 465 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| TH | 7 | PPM | XRF | |
| BA | 2580 | PPM | XRF | |
| LA | 116 | PPM | XRF | |
| CE | 179 | PPM | XRF | |
| ND | 81 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| V | 37 | PPM | XRF | |
| U | 3 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| CS | 17 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 10 | PPM | XRF |