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Sample 618
NavDat sample number 87986 · RHYODACITE
Sample
| Sample ID | 618 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | Slabby lava flow |
|---|
Location
| Latitude | 48.8192 |
|---|
| Longitude | -121.741 |
|---|
| Location | Camp Kiser |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.992 |
|
0.978 |
1.006 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.8 | | WT% | XRF |
| TIO2 | 0.44 | | WT% | XRF |
| AL2O3 | 17.26 | | WT% | XRF |
| FEOT | 2.13 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.67 | | WT% | XRF |
| CAO | 0.38 | | WT% | XRF |
| NA2O | 5.72 | | WT% | XRF |
| K2O | 2.04 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| LOI | 2.52 | | WT% | XRF |
| TOTAL | 96.65 | | WT% | XRF |
| RB | 39 | | PPM | XRF |
| SR | 419 | | PPM | XRF |
| Y | 19 | | PPM | XRF |
| ZR | 227 | | PPM | XRF |
| BA | 1010 | | PPM | XRF |
