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Sample B74-28
NavDat sample number 5274 · RHYODACITE
Sample
| Sample ID | B74-28 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 35.9975 |
|---|
| Longitude | -117.676 |
|---|
| State / province | California |
|---|
| Volcanic field | Coso |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 3.45 |
|
3.105 |
3.795 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.34 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| AL2O3 | 17.06 | | WT% | XRF |
| FE2O3 | 2.46 | | WT% | XRF |
| FEO | 2.21 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 3.11 | | WT% | AAS |
| CAO | 4.79 | | WT% | XRF |
| NA2O | 3.33 | | WT% | AAS |
| K2O | 3.27 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | UNKNOWN |
| RB | 55 | | PPM | XRF |
| SR | 482 | | PPM | XRF |
