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Sample 97L-3
NavDat sample number 45940 · DACITE
Sample
| Sample ID | 97L-3 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.658 |
|---|
| Longitude | -106.963 |
|---|
| Location | Hornblende-rich flow, E Fk 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 | 63.58 | | WT% | XRF |
| TIO2 | 0.803659 | | WT% | XRF |
| AL2O3 | 16.3963 | | WT% | XRF |
| FE2O3 | 5.09526 | | WT% | XRF |
| MGO | 1.48844 | | WT% | XRF |
| CAO | 3.80087 | | WT% | XRF |
| NA2O | 3.88926 | | WT% | XRF |
| K2O | 3.53468 | | WT% | XRF |
| P2O5 | 0.368809 | | WT% | XRF |
| MNO | 0.0812803 | | WT% | XRF |
| LOI | 1.56 | | WT% | XRF |
| TOTAL | 99.04 | | WT% | XRF |
| RB | 84 | | PPM | XRF |
| SR | 872 | | PPM | XRF |
| Y | 17 | | PPM | XRF |
| ZR | 202 | | PPM | XRF |
| NB | 12 | | PPM | XRF |
| BA | 1390 | | PPM | XRF |
