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Sample 80
NavDat sample number 88031 · RHYODACITE
Sample
| Sample ID | 80 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | small lava remnants, mostly glassy, including proximal fused-breccia facies |
|---|
Location
| Latitude | 48.8512 |
|---|
| Longitude | -121.72 |
|---|
| Location | Iceberg Lake |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.063 |
|
1.051 |
1.075 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.3 | | WT% | XRF |
| TIO2 | 0.37 | | WT% | XRF |
| AL2O3 | 15.11 | | WT% | XRF |
| FEOT | 2.24 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.58 | | WT% | XRF |
| CAO | 1.69 | | WT% | XRF |
| NA2O | 4.46 | | WT% | XRF |
| K2O | 3.67 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| LOI | 3.88 | | WT% | XRF |
| TOTAL | 95.28 | | WT% | XRF |
| RB | 68 | | PPM | XRF |
| SR | 200 | | PPM | XRF |
| Y | 239 | | PPM | XRF |
