Sample 98L-2
NavDat sample number 45703 · DACITE
Sample
| Sample ID | 98L-2 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.643 |
|---|---|
| Longitude | -106.967 |
| Location | SW of Fisher Mtn. |
| 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 | 61.21 | WT% | XRF | |
| TIO2 | 0.9 | WT% | XRF | |
| AL2O3 | 16.49 | WT% | XRF | |
| FE2O3 | 5.9 | WT% | XRF | |
| MGO | 1.96 | WT% | XRF | |
| CAO | 4.25 | WT% | XRF | |
| NA2O | 4.21 | WT% | XRF | |
| K2O | 3.59 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 0.81 | WT% | XRF | |
| TOTAL | 99.07 | WT% | XRF | |
| ZN | 100 | PPM | XRF | |
| RB | 86 | PPM | XRF | |
| SR | 974 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZR | 222 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| BA | 1580 | PPM | XRF | |
| CU | 31 | PPM | XRF | |
| NI | 12 | PPM | XRF |