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Sample 583
NavDat sample number 87995 · RHYODACITE
Sample
| Sample ID | 583 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | Lava flow |
|---|
Location
| Latitude | 48.8648 |
|---|
| Longitude | -121.812 |
|---|
| Location | Deadhorse Creek |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.151 |
|
1.135 |
1.167 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.3 | | WT% | XRF |
| TIO2 | 0.36 | | WT% | XRF |
| AL2O3 | 15.33 | | WT% | XRF |
| FEOT | 2.45 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.42 | | WT% | XRF |
| CAO | 2.04 | | WT% | XRF |
| NA2O | 4.37 | | WT% | XRF |
| K2O | 3.06 | | WT% | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| LOI | 1.68 | | WT% | XRF |
| TOTAL | 97.34 | | WT% | XRF |
| RB | 67 | | PPM | XRF |
| SR | 298 | | PPM | XRF |
| Y | 204 | | PPM | XRF |
