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Sample 743
NavDat sample number 10318 · ANDESITE
Sample
| Sample ID | 743 |
|---|
| Alternate ID | 31-C |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Andesite |
|---|
Location
| Latitude | 44.7224 |
|---|
| Longitude | -118.674 |
|---|
| State / province | Oregon |
|---|
| Formation | Picture Gorge Basalt |
|---|
| Elevation | 1963 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14.55 |
|
5.3 |
23.8 |
Miocene |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.63 | | WT% | XRF |
| AL2O3 | 15.55 | | WT% | XRF |
| TIO2 | 1.109 | | WT% | XRF |
| FEOT | 6.91 | | WT% | XRF |
| MNO | 0.131 | | WT% | XRF |
| CAO | 7.46 | | WT% | XRF |
| MGO | 5.11 | | WT% | XRF |
| K2O | 0.9 | | WT% | XRF |
| NA2O | 3 | | WT% | XRF |
| P2O5 | 0.202 | | WT% | XRF |
