Sample 03L-39
NavDat sample number 46105 · DACITE
Sample
| Sample ID | 03L-39 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.24 |
|---|---|
| Longitude | -106.586 |
| Location | west of North Pass |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, dacite of East Pass Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.5172 | WT% | XRF | |
| TIO2 | 0.600978 | WT% | XRF | |
| AL2O3 | 15.8534 | WT% | XRF | |
| FE2O3 | 4.5177 | WT% | XRF | |
| MGO | 1.65787 | WT% | XRF | |
| CAO | 3.42972 | WT% | XRF | |
| NA2O | 3.35719 | WT% | XRF | |
| K2O | 4.32082 | WT% | XRF | |
| P2O5 | 0.341936 | WT% | XRF | |
| MNO | 0.0932552 | WT% | XRF | |
| LOI | 3.41 | WT% | XRF | |
| TOTAL | 97.69 | WT% | XRF | |
| ZN | 66 | PPM | XRF | |
| RB | 86 | PPM | XRF | |
| SR | 598 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 231 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| PB | 22 | PPM | XRF | |
| TH | 10 | PPM | XRF | |
| BA | 1620 | PPM | XRF | |
| LA | 70 | PPM | XRF | |
| CE | 115 | PPM | XRF | |
| ND | 61 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| V | 77 | PPM | XRF | |
| U | -4 | PPM | XRF | |
| CR | 7 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| NI | 12 | PPM | XRF |