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Sample VC78-109
NavDat sample number 47922 · TRACHYANDESITE
Sample
| Sample ID | VC78-109 |
|---|
| Rock name | TRACHYANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Vic Camp |
|---|
| Comment | flow |
|---|
Location
| Latitude | 46.9307 |
|---|
| Longitude | -116.918 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Potlatch volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.75 |
|
23.8 |
33.7 |
Oligocene |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 51.48 | | WT% | XRF |
| TIO2 | 2.81 | | WT% | XRF |
| AL2O3 | 16.36 | | WT% | XRF |
| FEO | 11.76 | | WT% | XRF |
| MNO | 0.25 | | WT% | XRF |
| MGO | 3.76 | | WT% | XRF |
| CAO | 6.79 | | WT% | XRF |
| NA2O | 3.01 | | WT% | XRF |
| K2O | 2.5 | | WT% | XRF |
| P2O5 | 1.07 | | WT% | XRF |
