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Sample 2
NavDat sample number 10606 · ANDESITE
Sample
| Sample ID | 2 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.142 |
|---|
| Longitude | -116.156 |
|---|
| Location | SW side of Big Butte, about 1800 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 | 55.63 | | WT% | XRF |
| AL2O3 | 19.29 | | WT% | XRF |
| FE2O3 | 2.66 | | WT% | XRF |
| FEO | 4.62 | | WT% | XRF |
| MGO | 3.12 | | WT% | XRF |
| CAO | 7.87 | | WT% | XRF |
| NA2O | 3.4 | | WT% | XRF |
| K2O | 1.9 | | WT% | XRF |
| TIO2 | 1.16 | | WT% | XRF |
| P2O5 | 0.27 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
