Sample BFC77
NavDat sample number 91830 · DACITE
Sample
| Sample ID | BFC77 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.601 |
|---|---|
| Longitude | -106.896 |
| Location | Goose Ck. |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.93 | 27.75 | 28.11 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.15 | WT% | XRF | |
| TIO2 | 0.52 | WT% | XRF | |
| AL2O3 | 15.95 | WT% | XRF | |
| FE2O3 | 4.36 | WT% | XRF | |
| MGO | 1.11 | WT% | XRF | |
| CAO | 3.32 | WT% | XRF | |
| NA2O | 3.99 | WT% | XRF | |
| K2O | 3.982 | WT% | XRF | |
| P2O5 | 0.059 | WT% | XRF | |
| MNO | 0.207 | WT% | XRF | |
| LOI | 0.5 | WT% | XRF | |
| TOTAL | 99.648 | WT% | XRF | |
| ZN | 62 | PPM | XRF | |
| RB | 102.4 | PPM | XRF | |
| SR | 509 | PPM | XRF | |
| Y | 22.7 | PPM | XRF | |
| ZR | 194.5 | PPM | XRF | |
| NB | 16.3 | PPM | XRF | |
| PB | 14.5 | PPM | XRF | |
| TH | 11 | PPM | XRF | |
| BA | 908 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 29 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| V | 64 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 6 | PPM | XRF |