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Sample CRS-40-a
NavDat sample number 7374 · RHYOLITE
Sample
| Sample ID | CRS-40-a |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 47.012 |
|---|
| Longitude | -121.727 |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 22 |
|
19.8 |
24.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.34 | | WT% | XRF |
| TIO2 | 0.4 | | WT% | XRF |
| AL2O3 | 12.72 | | WT% | XRF |
| FEOT | 3.68 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0.15 | | WT% | XRF |
| CAO | 1.21 | | WT% | XRF |
| NA2O | 4.29 | | WT% | XRF |
| K2O | 4.1 | | WT% | XRF |
| P2O5 | 0.06 | | WT% | XRF |
| TOTAL | 101.56 | | WT% | XRF |
| LOI | 0.8 | | WT% | XRF |
