Sample 2E12A
NavDat sample number 31789 · DACITE
Sample
| Sample ID | 2E12A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2514 |
|---|---|
| Longitude | -122.011 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24 | 21.6 | 26.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.28 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 16.06 | WT% | XRF | |
| FEOT | 5.25 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 1.53 | WT% | XRF | |
| CAO | 4.56 | WT% | XRF | |
| NA2O | 4.65 | WT% | XRF | |
| K2O | 1.33 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| TOTAL | 99.36 | WT% | XRF | |
| LOI | 2.66 | WT% | XRF | |
| BA | 437 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| CE | 49 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 272 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 256 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| CO | 9 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 56 | PPM | XRF | |
| CU | 23 | PPM | XRF | |
| PB | 7 | PPM | XRF | |
| ZN | 71 | PPM | XRF |