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Sample 844
NavDat sample number 66432 · BASALTIC-ANDESITE
Sample
| Sample ID | 844 |
|---|
| Alternate ID | AYB-407 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Icelandite |
|---|
Location
| Latitude | 43.976 |
|---|
| Longitude | -117.574 |
|---|
| State / province | Oregon |
|---|
| Volcanic field | XRAL |
|---|
| Formation | Columbia River Basalt |
|---|
| Elevation | 945 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.8 |
|
11.2 |
16.4 |
middle Miocene |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.17 | | WT% | XRF |
| AL2O3 | 13.31 | | WT% | XRF |
| TIO2 | 2.3 | | WT% | XRF |
| FEOT | 11.37 | | WT% | XRF |
| MNO | 0.28 | | WT% | XRF |
| CAO | 6.78 | | WT% | XRF |
| MGO | 2.92 | | WT% | XRF |
| K2O | 2.28 | | WT% | XRF |
| NA2O | 3.11 | | WT% | XRF |
| P2O5 | 0.47 | | WT% | XRF |
| TOTAL | 99.4 | | WT% | XRF |
| LOI | 1.39 | | WT% | XRF |
| BA | 923 | | PPM | ICP |
| RB | 40 | | PPM | ICP |
| SR | 304 | | PPM | ICP |
| ZR | 217 | | PPM | ICP |
| Y | 36 | | PPM | ICP |
| NB | 31 | | PPM | ICP |
