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Sample TW061985D
NavDat sample number 12881 · ANDESITE
Sample
| Sample ID | TW061985D |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.7647 |
|---|
| Longitude | -122.186 |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 32.7 |
|
31.2 |
34.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.02 | | WT% | XRF |
| TIO2 | 1.03 | | WT% | XRF |
| AL2O3 | 17.02 | | WT% | XRF |
| FEOT | 5.4 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| MGO | 1.72 | | WT% | XRF |
| CAO | 5.15 | | WT% | XRF |
| NA2O | 2.94 | | WT% | XRF |
| K2O | 2.27 | | WT% | XRF |
| P2O5 | 0.35 | | WT% | XRF |
| TOTAL | 99.98 | | WT% | XRF |
