Sample 43
NavDat sample number 17270 · DACITE
Sample
| Sample ID | 43 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.945 |
|---|---|
| Longitude | -121.065 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25 | 24 | 27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.08 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| AL2O3 | 16.29 | WT% | XRF | |
| FEOT | 5.33 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 0.76 | WT% | XRF | |
| CAO | 3.46 | WT% | XRF | |
| NA2O | 4.05 | WT% | XRF | |
| K2O | 2.91 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| BA | 1000 | PPM | INAA | |
| LA | 42.3 | PPM | INAA | |
| CE | 87.2 | PPM | INAA | |
| RB | 82 | PPM | INAA | |
| SR | 250 | PPM | INAA | |
| Y | 42 | PPM | XRF | |
| ZR | 240 | PPM | INAA | |
| CO | 6 | PPM | INAA | |
| CR | -1 | PPM | INAA | |
| NI | 4 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 22 | PPM | XRF |