Sample 88L-31-C
NavDat sample number 45707 · DACITE
Sample
| Sample ID | 88L-31-C |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.563 |
|---|---|
| Longitude | -106.979 |
| Location | lowest flow, overlies Snowshoe Mtn. Tuff |
| State / province | COLORADO |
| Formation | Fisher Dacite, Creede Caldera cycle |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.26 | 26.22 | 26.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.17 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| AL2O3 | 17.19 | WT% | XRF | |
| FE2O3 | 6.43 | WT% | XRF | |
| MGO | 1.86 | WT% | XRF | |
| CAO | 5.49 | WT% | XRF | |
| NA2O | 3.58 | WT% | XRF | |
| K2O | 2.97 | WT% | XRF | |
| P2O5 | 0.38 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| LOI | 1.1 | WT% | XRF | |
| TOTAL | 99.85 | WT% | XRF | |
| ZN | 68 | PPM | XRF | |
| RB | 57 | PPM | XRF | |
| SR | 696 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 187 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 859 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 80 | PPM | XRF | |
| ND | 40 | PPM | XRF |