Sample 03L-26
NavDat sample number 46104 · DACITE
Sample
| Sample ID | 03L-26 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.197 |
|---|---|
| Longitude | -106.538 |
| Location | 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 | 61.4042 | WT% | XRF | |
| TIO2 | 0.743368 | WT% | XRF | |
| AL2O3 | 17.1076 | WT% | XRF | |
| FE2O3 | 5.57017 | WT% | XRF | |
| MGO | 1.89406 | WT% | XRF | |
| CAO | 4.46021 | WT% | XRF | |
| NA2O | 3.78812 | WT% | XRF | |
| K2O | 4.09361 | WT% | XRF | |
| P2O5 | 0.376775 | WT% | XRF | |
| MNO | 0.101831 | WT% | XRF | |
| LOI | 1.79 | WT% | XRF | |
| TOTAL | 99.54 | WT% | XRF | |
| ZN | 74 | PPM | XRF | |
| RB | 87 | PPM | XRF | |
| SR | 875 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 267 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| PB | 24 | PPM | XRF | |
| TH | 10 | PPM | XRF | |
| BA | 1540 | PPM | XRF | |
| LA | 66 | PPM | XRF | |
| CE | 106 | PPM | XRF | |
| ND | 54 | PPM | XRF | |
| CU | 21 | PPM | XRF | |
| V | 101 | PPM | XRF | |
| U | -4 | PPM | XRF | |
| CR | 8 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| NI | 11 | PPM | XRF |