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Sample 73
NavDat sample number 8564 · ANDESITE
Sample
| Sample ID | 73 |
|---|
| 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 | 71.28 | | WT% | XRF |
| AL2O3 | 13.67 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| FEO | 0.54 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| CAO | 5.3 | | WT% | XRF |
| MGO | 1.67 | | WT% | XRF |
| K2O | 5.19 | | WT% | XRF |
| NA2O | 3.54 | | WT% | XRF |
| P2O5 | 0.52 | | WT% | XRF |
| FE2O3 | 2.2 | | WT% | XRF |
| TOTAL | 104.7 | | WT% | XRF |
