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Sample 98L-1
NavDat sample number 45923 · DACITE
Sample
| Sample ID | 98L-1 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.636 |
|---|
| Longitude | -106.973 |
|---|
| Location | Ridge East 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 | 65.61 | | WT% | XRF |
| TIO2 | 0.644186 | | WT% | XRF |
| AL2O3 | 15.4907 | | WT% | XRF |
| FE2O3 | 4.64036 | | WT% | XRF |
| MGO | 1.47891 | | WT% | XRF |
| CAO | 3.32376 | | WT% | XRF |
| NA2O | 3.89838 | | WT% | XRF |
| K2O | 3.89334 | | WT% | XRF |
| P2O5 | 0.288321 | | WT% | XRF |
| MNO | 0.105852 | | WT% | XRF |
| LOI | 0.8 | | WT% | XRF |
| TOTAL | 99.37 | | WT% | XRF |
| ZN | 106 | | PPM | XRF |
| RB | 94 | | PPM | XRF |
| SR | 618 | | PPM | XRF |
| Y | 19 | | PPM | XRF |
| ZR | 184 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| BA | 1190 | | PPM | XRF |
| CU | 25 | | PPM | XRF |
| NI | 22 | | PPM | XRF |
