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Sample 11
NavDat sample number 8559 · ANDESITE
Sample
| Sample ID | 11 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 44.3587 |
|---|
| Longitude | -114.777 |
|---|
| Location | Challis volcanic field |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Andesites of Bonanza Peak |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 46 |
|
43 |
49 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 68.92 | | WT% | XRF |
| AL2O3 | 14.81 | | WT% | XRF |
| TIO2 | 0.45 | | WT% | XRF |
| FEO | 1.41 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| CAO | 2.34 | | WT% | XRF |
| MGO | 1.39 | | WT% | XRF |
| K2O | 4.19 | | WT% | XRF |
| NA2O | 3.51 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| FE2O3 | 1.95 | | WT% | XRF |
| TOTAL | 99.2 | | WT% | XRF |