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Sample HR72-14
NavDat sample number 5331 · RHYODACITE
Sample
| Sample ID | HR72-14 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 36.1173 |
|---|
| Longitude | -117.906 |
|---|
| State / province | California |
|---|
| Volcanic field | Coso |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 2.52 |
|
2.268 |
2.772 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.31 | | WT% | XRF |
| TIO2 | 0.51 | | WT% | XRF |
| AL2O3 | 14.69 | | WT% | XRF |
| FE2O3 | 1.51 | | WT% | XRF |
| FEO | 1.35 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.9 | | WT% | AAS |
| CAO | 1.43 | | WT% | XRF |
| NA2O | 4.64 | | WT% | AAS |
| K2O | 3.99 | | WT% | XRF |
| H2O | 2.36 | | WT% | UNKNOWN |
| RB | 81 | | PPM | XRF |
| SR | 256 | | PPM | XRF |
