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Sample MB-630
NavDat sample number 75645 · RHYODACITE
Sample
| Sample ID | MB-630 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.839 |
|---|
| Longitude | -121.726 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Wells Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.029 |
|
1.011 |
1.047 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 73.14 | | WT% | XRF |
| TIO2 | 0.38 | | WT% | XRF |
| AL2O3 | 14.59 | | WT% | XRF |
| FEOT | 2.11 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0.44 | | WT% | XRF |
| CAO | 1.59 | | WT% | XRF |
| NA2O | 4.18 | | WT% | XRF |
| K2O | 3.04 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| LOI | 1.59 | | WT% | XRF |