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Sample 98L-8
NavDat sample number 45942 · DACITE
Sample
| Sample ID | 98L-8 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.652 |
|---|
| Longitude | -106.972 |
|---|
| Location | Lava flow, outside Creede caldera |
|---|
| 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 | 62.71 | | WT% | XRF |
| TIO2 | 0.766481 | | WT% | XRF |
| AL2O3 | 16.4793 | | WT% | XRF |
| FE2O3 | 5.59816 | | WT% | XRF |
| MGO | 1.25748 | | WT% | XRF |
| CAO | 4.08959 | | WT% | XRF |
| NA2O | 4.0347 | | WT% | XRF |
| K2O | 3.46746 | | WT% | XRF |
| P2O5 | 0.408654 | | WT% | XRF |
| MNO | 0.0640428 | | WT% | XRF |
| LOI | 1.61 | | WT% | XRF |
| TOTAL | 98.876 | | WT% | XRF |
| ZN | 88 | | PPM | XRF |
| RB | 87 | | PPM | XRF |
| SR | 900 | | PPM | XRF |
| Y | 16 | | PPM | XRF |
| ZR | 205 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| BA | 1330 | | PPM | XRF |
| CU | 36 | | PPM | XRF |
| NI | 18 | | PPM | XRF |
