Sample LR88-643
NavDat sample number 30118 · DACITE
Sample
| Sample ID | LR88-643 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7764 |
|---|---|
| Longitude | -106.831 |
| Location | Along road, Spring Gulch |
| State / province | COLORADO |
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 | 64.76 | WT% | XRF | |
| TIO2 | 0.65 | WT% | XRF | |
| AL2O3 | 14.92 | WT% | XRF | |
| FE2O3 | 4.51 | WT% | XRF | |
| MGO | 1.72 | WT% | XRF | |
| CAO | 6.18 | WT% | XRF | |
| NA2O | 3.43 | WT% | XRF | |
| K2O | 3.57 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 2.4 | WT% | XRF | |
| TOTAL | 100.13 | WT% | XRF | |
| ZN | 85 | PPM | XRF | |
| RB | 86 | PPM | XRF | |
| SR | 602 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 170 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| PB | 45 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 978 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 82 | PPM | XRF | |
| ND | 36 | PPM | XRF |