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Sample 1
NavDat sample number 10605 · ANDESITE
Sample
| Sample ID | 1 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.1436 |
|---|
| Longitude | -116.152 |
|---|
| Location | SW side of Big Butte, about 500 ft SW of Winona benchmark |
|---|
| State / province | Idaho |
|---|
| Volcanic field | andesite of Kamiah Buttes |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 45 |
|
40 |
50 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.12 | | WT% | XRF |
| AL2O3 | 17.83 | | WT% | XRF |
| FE2O3 | 2.46 | | WT% | XRF |
| FEO | 4.85 | | WT% | XRF |
| MGO | 2.87 | | WT% | XRF |
| CAO | 7.28 | | WT% | XRF |
| NA2O | 3.35 | | WT% | XRF |
| K2O | 1.95 | | WT% | XRF |
| TIO2 | 0.96 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
