Sample s_LIB-7
NavDat sample number 15376 · ANDESITE
Sample
| Sample ID | s_LIB-7 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | LAVA |
Location
| Latitude | 48.8 |
|---|---|
| Longitude | -121.83 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT BAKER / PACIFIC OCEAN |
| State / province | WASHINGTON |
| Location comment | SMALL CINDER CONE ON THE SOUTHERN FLANK, SULPHUR CREEK LAVA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.05 | 0 | 0.1 | HOLOCENE |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.35 | WT% | EPMA | |
| TIO2 | 0.99 | WT% | EPMA | |
| AL2O3 | 1.8 | WT% | EPMA | |
| CR2O3 | 0.17 | WT% | EPMA | |
| FEOT | 11.12 | WT% | EPMA | |
| CAO | 17.95 | WT% | EPMA | |
| MGO | 16.57 | WT% | EPMA | |
| MNO | 0.29 | WT% | EPMA | |
| K2O | 0 | WT% | EPMA | |
| NA2O | 0.38 | WT% | EPMA | |
| SIO2 | 50.34 | WT% | EPMA | |
| TIO2 | 0.97 | WT% | EPMA | |
| AL2O3 | 3.47 | WT% | EPMA | |
| CR2O3 | 0.02 | WT% | EPMA | |
| FEOT | 8.47 | WT% | EPMA | |
| CAO | 19.46 | WT% | EPMA | |
| MGO | 16.06 | WT% | EPMA | |
| MNO | 0.2 | WT% | EPMA | |
| K2O | 0 | WT% | EPMA | |
| NA2O | 0.52 | WT% | EPMA |