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Sample 89L-118
NavDat sample number 45970 · DACITE
Sample
| Sample ID | 89L-118 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.616 |
|---|
| Longitude | -106.992 |
|---|
| Location | Xenocrystic dacite, W of Ivy Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | South River Caldera Cycle, Silver River volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27 |
|
26.9 |
27.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.59 | | WT% | XRF |
| TIO2 | 0.886865 | | WT% | XRF |
| AL2O3 | 14.1092 | | WT% | XRF |
| FE2O3 | 6.26852 | | WT% | XRF |
| MGO | 2.29779 | | WT% | XRF |
| CAO | 4.91807 | | WT% | XRF |
| NA2O | 3.61801 | | WT% | XRF |
| K2O | 3.3459 | | WT% | XRF |
| P2O5 | 0.342652 | | WT% | XRF |
| MNO | 0.0907021 | | WT% | XRF |
| LOI | 0.77 | | WT% | XRF |
| TOTAL | 99.47 | | WT% | XRF |
| ZN | 113 | | PPM | XRF |
| RB | 75 | | PPM | XRF |
| SR | 849 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| ZR | 142 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| BA | 791 | | PPM | XRF |
| LA | 40 | | PPM | XRF |
| CE | 87 | | PPM | XRF |
| ND | 34 | | PPM | XRF |
