Sample 40
NavDat sample number 12810 · BASALT
Sample
| Sample ID | 40 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Hammond and Korosec |
| Comment | Basalt of Bare Mountain |
Location
| Latitude | 45.5497 |
|---|---|
| Longitude | -122.038 |
| State / province | Washington |
| Volcanic field | Mount St. Helens |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.83 | 0 | 1.65 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.8 | WT% | XRF | |
| AL2O3 | 16 | WT% | XRF | |
| FEOT | 7.8 | WT% | XRF | |
| TIO2 | 1.74 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 6.75 | WT% | XRF | |
| CAO | 8.25 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 1.4 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| H2O | 0.91 | WT% | XRF | |
| TOTAL | 99.13 | WT% | XRF | |
| LI | 15 | PPM | XRF | |
| RB | 20 | PPM | XRF | |
| CU | 43 | PPM | XRF | |
| SR | 1030 | PPM | XRF | |
| BA | 370 | PPM | XRF | |
| ZN | 100 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| CE | 63 | PPM | XRF | |
| V | 183 | PPM | XRF | |
| CR | 310 | PPM | XRF | |
| NI | 79 | PPM | XRF |