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Sample 90
NavDat sample number 8569 · ANDESITE
Sample
| Sample ID | 90 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.3703 |
|---|
| Longitude | -114.803 |
|---|
| Location | Challis volcanic field |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Andesites of Deadwood Cree |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 46 |
|
43 |
49 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 54.72 | | WT% | XRF |
| AL2O3 | 16.49 | | WT% | XRF |
| TIO2 | 1.64 | | WT% | XRF |
| FEO | 5.59 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| CAO | 7.54 | | WT% | XRF |
| MGO | 4.57 | | WT% | XRF |
| K2O | 2.13 | | WT% | XRF |
| NA2O | 3.46 | | WT% | XRF |
| P2O5 | 0.52 | | WT% | XRF |
| FE2O3 | 3.14 | | WT% | XRF |
| TOTAL | 99.94 | | WT% | XRF |
