Sample 90
NavDat sample number 12860 · DACITE
Sample
| Sample ID | 90 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Hammond and Korosec |
| Comment | Dacite of Snyder Mountain |
Location
| Latitude | 46.352 |
|---|---|
| Longitude | -121.374 |
| State / province | Washington |
| Volcanic field | Indian Heaven |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.83 | 0 | 1.65 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.24 | WT% | XRF | |
| AL2O3 | 15.59 | WT% | XRF | |
| FEOT | 4.37 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 1.88 | WT% | XRF | |
| CAO | 4.01 | WT% | XRF | |
| NA2O | 4.28 | WT% | XRF | |
| K2O | 2.8 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| H2O | 0.81 | WT% | XRF | |
| TOTAL | 99.86 | WT% | XRF | |
| LI | 22 | PPM | XRF | |
| RB | 81 | PPM | XRF | |
| CU | 28 | PPM | XRF | |
| SR | 318 | PPM | XRF | |
| BA | 475 | PPM | XRF | |
| ZN | 62 | PPM | XRF | |
| SC | 11 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| LA | 32 | PPM | XRF | |
| CE | 59 | PPM | XRF | |
| V | 86 | PPM | XRF | |
| CR | 36 | PPM | XRF | |
| NI | 26 | PPM | XRF |