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Sample 630
NavDat sample number 87991 · RHYODACITE
Sample
| Sample ID | 630 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | Lava flow |
|---|
Location
| Latitude | 48.8389 |
|---|
| Longitude | -121.726 |
|---|
| Location | Wells Creek |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.041 |
|
1.03 |
1.052 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.1 | | 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 |
| TOTAL | 97.44 | | WT% | XRF |
| RB | 57 | | PPM | XRF |
| SR | 235 | | PPM | XRF |
| Y | 16 | | PPM | XRF |
| ZR | 212 | | PPM | XRF |
| BA | 1060 | | PPM | XRF |
