Sample 691
NavDat sample number 66169 · DACITE
Sample
| Sample ID | 691 |
|---|---|
| Alternate ID | 97-LG-110 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dacite |
Location
| Latitude | 45.0097 |
|---|---|
| Longitude | -118.675 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1695 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.89 | WT% | XRF | |
| AL2O3 | 16.41 | WT% | XRF | |
| TIO2 | 1.085 | WT% | XRF | |
| FEOT | 5.34 | WT% | XRF | |
| MNO | 0.099 | WT% | XRF | |
| CAO | 4.89 | WT% | XRF | |
| MGO | 1.82 | WT% | XRF | |
| K2O | 2.07 | WT% | XRF | |
| NA2O | 4.12 | WT% | XRF | |
| P2O5 | 0.276 | WT% | XRF | |
| TOTAL | 98.26 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 10 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 127 | PPM | XRF | |
| BA | 798 | PPM | XRF | |
| RB | 43 | PPM | XRF | |
| SR | 428 | PPM | XRF | |
| ZR | 176 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| NB | 17.4 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 126 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 56 | PPM | XRF | |
| TH | 5 | PPM | XRF |