← Search
Sample LR89-015
NavDat sample number 45886 · DACITE
Sample
| Sample ID | LR89-015 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.099 |
|---|
| Longitude | -106.99 |
|---|
| Location | Los Pinos Pass Road |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, 10,200' |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.5 | | WT% | XRF |
| TIO2 | 0.541369 | | WT% | XRF |
| AL2O3 | 16.6497 | | WT% | XRF |
| FE2O3 | 3.31972 | | WT% | XRF |
| MGO | 0.898877 | | WT% | XRF |
| CAO | 2.49234 | | WT% | XRF |
| NA2O | 4.04495 | | WT% | XRF |
| K2O | 4.83146 | | WT% | XRF |
| P2O5 | 0.143003 | | WT% | XRF |
| MNO | 0.102145 | | WT% | XRF |
| LOI | 2.09 | | WT% | XRF |
| TOTAL | 101.524 | | WT% | XRF |
| ZN | 75 | | PPM | XRF |
| RB | 124 | | PPM | XRF |
| SR | 587 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 468 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| PB | 35 | | PPM | XRF |
| TH | 9 | | PPM | XRF |
| BA | 2511 | | PPM | XRF |
| LA | 59 | | PPM | XRF |
| CE | 104 | | PPM | XRF |
| ND | 45 | | PPM | XRF |
