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Sample 418
NavDat sample number 52859 · RHYOLITE
Sample
| Sample ID | 418 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
|---|
Location
| Latitude | 41.6133 |
|---|
| Longitude | -121.667 |
|---|
| State / province | California |
|---|
| Volcanic field | Medicine Lake |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.29 |
|
0.029 |
0.549 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.9 | | WT% | XRF |
| AL2O3 | 17.6 | | WT% | XRF |
| FEOT | 5.52 | | WT% | XRF |
| MGO | 1.92 | | WT% | XRF |
| CAO | 4.35 | | WT% | XRF |
| NA2O | 4.29 | | WT% | XRF |
| K2O | 2.15 | | WT% | XRF |
| TIO2 | 0.94 | | WT% | XRF |
| P2O5 | 0.22 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| TOTAL | 97.87 | | WT% | XRF |
| LOI | 1.86 | | WT% | XRF |
