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Sample 177
NavDat sample number 7004 · ANDESITE
Sample
| Sample ID | 177 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.6119 |
|---|
| Longitude | -114.291 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic Group, Andesite of Darling Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 49 |
|
48 |
52 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.72 | | WT% | XRF |
| AL2O3 | 16.69 | | WT% | XRF |
| TIO2 | 0.63 | | WT% | XRF |
| FE2O3T | 4.34 | | WT% | XRF |
| CAO | 5.95 | | WT% | XRF |
| MGO | 1.19 | | WT% | XRF |
| K2O | 4.05 | | WT% | XRF |
| NA2O | 3.29 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
