Sample 93CR-F10A
NavDat sample number 41570 · PYROCLASTIC-FALL
Sample
| Sample ID | 93CR-F10A |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.259 |
|---|---|
| Longitude | -122.851 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37.4 | 37.2 | 37.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.92 | WT% | XRF | |
| TIO2 | 0.97 | WT% | XRF | |
| AL2O3 | 18.17 | WT% | XRF | |
| FEOT | 5.97 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 2.44 | WT% | XRF | |
| CAO | 4.47 | WT% | XRF | |
| NA2O | 2.64 | WT% | XRF | |
| K2O | 1.2 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| LOI | 11.44 | WT% | XRF | |
| BA | 261 | PPM | XRF | |
| RB | 25 | PPM | XRF | |
| SR | 271 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 302 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| NI | 15 | PPM | XRF | |
| CU | 78 | PPM | XRF | |
| ZN | 82 | PPM | XRF |