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Sample s_11281-62B
NavDat sample number 35433 · DACITE
Sample
| Sample ID | s_11281-62B |
|---|
| Rock name | DACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | INCLUSION |
Location
| Latitude | 46.2 |
|---|
| Longitude | -122.18 |
|---|
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK FLOWS / PACIFIC OCEAN |
|---|
| State / province | WASHINGTON |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.02 |
|
0 |
0.04 |
QUATERNARY |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 68.8 | | WT% | AAS |
| TIO2 | 0.41 | | WT% | AAS |
| AL2O3 | 16.7 | | WT% | AAS |
| FE2O3 | 3.83 | | WT% | AAS |
| CAO | 3.91 | | WT% | AAS |
| MGO | 0.78 | | WT% | AAS |
| MNO | 0 | | WT% | AAS |
| K2O | 1.27 | | WT% | AAS |
| NA2O | 4.27 | | WT% | AAS |