Sample 8M70A
NavDat sample number 31791 · DACITE
Sample
| Sample ID | 8M70A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2656 |
|---|---|
| Longitude | -122.086 |
| 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 | 68.58 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 14.44 | WT% | XRF | |
| FEOT | 5.66 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 0.91 | WT% | XRF | |
| CAO | 4.78 | WT% | XRF | |
| NA2O | 3.59 | WT% | XRF | |
| K2O | 0.94 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| TOTAL | 99.57 | WT% | XRF | |
| LOI | 5.22 | WT% | XRF | |
| BA | 537 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| CE | 65 | PPM | XRF | |
| RB | 29 | PPM | XRF | |
| SR | 436 | PPM | XRF | |
| Y | 50 | PPM | XRF | |
| ZR | 326 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| CO | 5 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 5 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| PB | 7 | PPM | XRF | |
| ZN | 96 | PPM | XRF |