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Sample MB-309
NavDat sample number 75627 · RHYODACITE
Sample
| Sample ID | MB-309 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.854 |
|---|
| Longitude | -121.732 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of remnants NE of Mazama Falls |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.06 |
|
0.99 |
1.13 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.3 | | WT% | XRF |
| TIO2 | 0.42 | | WT% | XRF |
| AL2O3 | 15.45 | | WT% | XRF |
| FEOT | 2.42 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 0.71 | | WT% | XRF |
| CAO | 2.19 | | WT% | XRF |
| NA2O | 4.41 | | WT% | XRF |
| K2O | 3.46 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| LOI | 6.34 | | WT% | XRF |
