← Search
Sample VC79-240A
NavDat sample number 48073 · TRACHYANDESITE
Sample
| Sample ID | VC79-240A |
|---|
| Rock name | TRACHYANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Vic Camp |
|---|
| Comment | flow |
|---|
Location
| Latitude | 46.8721 |
|---|
| Longitude | -116.735 |
|---|
| 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 | 54.78 | | WT% | XRF |
| TIO2 | 3.99 | | WT% | XRF |
| AL2O3 | 19.76 | | WT% | XRF |
| FEO | 6.49 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| MGO | 0.75 | | WT% | XRF |
| CAO | 5.67 | | WT% | XRF |
| NA2O | 4.64 | | WT% | XRF |
| K2O | 2.69 | | WT% | XRF |
| P2O5 | 0.96 | | WT% | XRF |
