Sample 99LC-Q375
NavDat sample number 58373 · DACITE
Sample
| Sample ID | 99LC-Q375 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 45.921 |
|---|---|
| Longitude | -122.555 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 31.5 | 38.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.15 | WT% | XRF | |
| TIO2 | 0.55 | WT% | XRF | |
| AL2O3 | 15.27 | WT% | XRF | |
| FEOT | 3.53 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.59 | WT% | XRF | |
| CAO | 1.5 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| K2O | 2.92 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| TOTAL | 98.93 | WT% | XRF | |
| BA | 460 | PPM | XRF | |
| LA | 60 | PPM | XRF | |
| CE | 97 | PPM | XRF | |
| RB | 73 | PPM | XRF | |
| SR | 99 | PPM | XRF | |
| Y | 89 | PPM | XRF | |
| ZR | 422 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| NI | 7 | PPM | XRF | |
| CU | 25 | PPM | XRF | |
| ZN | 54 | PPM | XRF |