Sample 74
NavDat sample number 12844 · BASALT
Sample
| Sample ID | 74 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Hammond and Korosec |
| Comment | Basalt of Marble Mountain |
Location
| Latitude | 46.0443 |
|---|---|
| Longitude | -122.085 |
| 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 | 52.15 | WT% | XRF | |
| AL2O3 | 15.51 | WT% | XRF | |
| FEOT | 9.07 | WT% | XRF | |
| TIO2 | 1.35 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 7.57 | WT% | XRF | |
| CAO | 8.39 | WT% | XRF | |
| NA2O | 3.55 | WT% | XRF | |
| K2O | 1.15 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| H2O | 0.55 | WT% | XRF | |
| TOTAL | 99.75 | WT% | XRF | |
| LI | 15 | PPM | XRF | |
| RB | 21 | PPM | XRF | |
| CU | 76 | PPM | XRF | |
| SR | 604 | PPM | XRF | |
| BA | 268 | PPM | XRF | |
| ZN | 107 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 51 | PPM | XRF | |
| V | 175 | PPM | XRF | |
| CR | 178 | PPM | XRF | |
| NI | 172 | PPM | XRF |