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Sample MB-316
NavDat sample number 75640 · RHYODACITE
Sample
| Sample ID | MB-316 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | dike |
Location
| Latitude | 48.819 |
|---|
| Longitude | -121.694 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite dike of Swift Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.155 |
|
1.117 |
1.193 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 68.14 | | WT% | XRF |
| TIO2 | 0.57 | | WT% | XRF |
| AL2O3 | 15.36 | | WT% | XRF |
| FEOT | 3.35 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| MGO | 1.45 | | WT% | XRF |
| CAO | 2.9 | | WT% | XRF |
| NA2O | 4.89 | | WT% | XRF |
| K2O | 2.68 | | WT% | XRF |
| P2O5 | 0.19 | | WT% | XRF |
| LOI | 1.34 | | WT% | XRF |