Sample BLOB2
NavDat sample number 43345 · DACITE
Sample
| Sample ID | BLOB2 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.438 |
|---|---|
| Longitude | -107.044 |
| 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 | 69.69 | WT% | XRF | |
| TIO2 | 0.43 | WT% | XRF | |
| AL2O3 | 14.85 | WT% | XRF | |
| FE2O3 | 3.26 | WT% | XRF | |
| MGO | 0.83 | WT% | XRF | |
| CAO | 2.66 | WT% | XRF | |
| NA2O | 3.74 | WT% | XRF | |
| K2O | 4.12 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| LOI | 0.23 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| ZN | 44 | PPM | XRF | |
| RB | 122 | PPM | XRF | |
| SR | 414 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| BA | 774 | PPM | XRF | |
| LA | 40.6 | PPM | XRF | |
| CE | 70.7 | PPM | XRF | |
| ND | 25.6 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| V | 48 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 6 | PPM | XRF |