Sample 624
NavDat sample number 66146 · DACITE
Sample
| Sample ID | 624 |
|---|---|
| Alternate ID | 97-LG-66 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dacite |
Location
| Latitude | 45.0837 |
|---|---|
| Longitude | -118.555 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1731 |
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 | 65.92 | WT% | XRF | |
| AL2O3 | 16.19 | WT% | XRF | |
| TIO2 | 0.585 | WT% | XRF | |
| FEOT | 3.68 | WT% | XRF | |
| MNO | 0.068 | WT% | XRF | |
| CAO | 5.85 | WT% | XRF | |
| MGO | 2.59 | WT% | XRF | |
| K2O | 1.67 | WT% | XRF | |
| NA2O | 3.31 | WT% | XRF | |
| P2O5 | 0.135 | WT% | XRF | |
| TOTAL | 98.13 | WT% | XRF | |
| NI | 48 | PPM | XRF | |
| CR | 52 | PPM | XRF | |
| SC | 10 | PPM | XRF | |
| V | 87 | PPM | XRF | |
| BA | 716 | PPM | XRF | |
| RB | 30 | PPM | XRF | |
| SR | 452 | PPM | XRF | |
| ZR | 114 | PPM | XRF | |
| Y | 12 | PPM | XRF | |
| NB | 8.7 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| ZN | 51 | PPM | XRF | |
| PB | 4 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 22 | PPM | XRF | |
| TH | 4 | PPM | XRF |