Sample 8E199A
NavDat sample number 31790 · PYROCLASTIC-FALL
Sample
| Sample ID | 8E199A |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2567 |
|---|---|
| Longitude | -122.062 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24 | 24.6 | 23.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.59 | WT% | XRF | |
| TIO2 | 0.67 | WT% | XRF | |
| AL2O3 | 14.51 | WT% | XRF | |
| FEOT | 5.81 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 0.7 | WT% | XRF | |
| CAO | 5.42 | WT% | XRF | |
| NA2O | 3.45 | WT% | XRF | |
| K2O | 0.54 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| TOTAL | 99.95 | WT% | XRF | |
| LOI | 6.61 | WT% | XRF | |
| BA | 434 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 74 | PPM | XRF | |
| RB | 21 | PPM | XRF | |
| SR | 497 | PPM | XRF | |
| Y | 48 | PPM | XRF | |
| ZR | 309 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| CO | 5 | PPM | XRF | |
| CR | 2 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| V | 11 | PPM | XRF | |
| CU | 28 | PPM | XRF | |
| PB | 13 | PPM | XRF | |
| ZN | 140 | PPM | XRF |