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Sample DS89-015
NavDat sample number 45927 · DACITE
Sample
| Sample ID | DS89-015 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.642 |
|---|
| Longitude | -106.933 |
|---|
| Location | S of Fisher Mountain |
|---|
| 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 | 63.3 | | WT% | XRF |
| TIO2 | 0.674945 | | WT% | XRF |
| AL2O3 | 16.1578 | | WT% | XRF |
| FE2O3 | 5.61431 | | WT% | XRF |
| MGO | 2.09642 | | WT% | XRF |
| CAO | 4.54054 | | WT% | XRF |
| NA2O | 3.65084 | | WT% | XRF |
| K2O | 3.3645 | | WT% | XRF |
| P2O5 | 0.337472 | | WT% | XRF |
| MNO | 0.071585 | | WT% | XRF |
| LOI | 2.21 | | WT% | XRF |
| TOTAL | 99.81 | | WT% | XRF |
| ZN | 89 | | PPM | XRF |
| RB | 74 | | PPM | XRF |
| SR | 681 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| ZR | 186 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 984 | | PPM | XRF |
| LA | 44 | | PPM | XRF |
| CE | 73 | | PPM | XRF |
| ND | 40 | | PPM | XRF |
