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Sample 835
NavDat sample number 66427 · ANDESITE
Sample
| Sample ID | 835 |
|---|
| Alternate ID | AYB-409 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Icelandite |
|---|
Location
| Latitude | 43.9958 |
|---|
| Longitude | -117.526 |
|---|
| State / province | Oregon |
|---|
| Volcanic field | XRAL |
|---|
| Formation | Columbia River Basalt |
|---|
| Elevation | 823 |
|---|
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 | 61.17 | | WT% | XRF |
| AL2O3 | 12.8 | | WT% | XRF |
| TIO2 | 1.46 | | WT% | XRF |
| FEOT | 10.91 | | WT% | XRF |
| MNO | 0.33 | | WT% | XRF |
| CAO | 5.08 | | WT% | XRF |
| MGO | 1.31 | | WT% | XRF |
| K2O | 3.29 | | WT% | XRF |
| NA2O | 3.15 | | WT% | XRF |
| P2O5 | 0.49 | | WT% | XRF |
| TOTAL | 99 | | WT% | XRF |
| LOI | 1.62 | | WT% | XRF |
| BA | 1170 | | PPM | ICP |
| RB | 122 | | PPM | ICP |
| SR | 281 | | PPM | ICP |
| ZR | 320 | | PPM | ICP |
| Y | 51 | | PPM | ICP |
| NB | 35 | | PPM | ICP |
