← Search
Sample LR88-564
NavDat sample number 45732 · DACITE
Sample
| Sample ID | LR88-564 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.955 |
|---|
| Longitude | -107.027 |
|---|
| Location | Mineral Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 25.7 |
|
25.2 |
26.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.75 | | WT% | XRF |
| TIO2 | 0.631995 | | WT% | XRF |
| AL2O3 | 15.0863 | | WT% | XRF |
| FE2O3 | 4.89287 | | WT% | XRF |
| MGO | 1.62076 | | WT% | XRF |
| CAO | 3.45559 | | WT% | XRF |
| NA2O | 3.63907 | | WT% | XRF |
| K2O | 4.14874 | | WT% | XRF |
| P2O5 | 0.295611 | | WT% | XRF |
| MNO | 0.0611608 | | WT% | XRF |
| LOI | 1.89 | | WT% | XRF |
| TOTAL | 99.5821 | | WT% | XRF |
| ZN | 53 | | PPM | XRF |
| RB | 148 | | PPM | XRF |
| SR | 619 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 186 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| PB | 30 | | PPM | XRF |
| TH | 18 | | PPM | XRF |
| BA | 1101 | | PPM | XRF |
| LA | 57 | | PPM | XRF |
| CE | 101 | | PPM | XRF |
| ND | 43 | | PPM | XRF |
