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Sample MB-380
NavDat sample number 75651 · RHYOLITE
Sample
| Sample ID | MB-380 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.9 |
|---|
| Longitude | -122.899 |
|---|
| State / province | washington |
|---|
| Formation | Hannegan Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 3.722 |
|
3.702 |
3.742 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.21 | | WT% | XRF |
| TIO2 | 0.17 | | WT% | XRF |
| AL2O3 | 13.55 | | WT% | XRF |
| FEOT | 1.17 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| MGO | 0.26 | | WT% | XRF |
| CAO | 0.67 | | WT% | XRF |
| NA2O | 4.53 | | WT% | XRF |
| K2O | 3.89 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| LOI | 6.08 | | WT% | XRF |
