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Sample A4-2
NavDat sample number 19661 · RHYODACITE
Sample
| Sample ID | A4-2 |
|---|
| Alternate ID | 35 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.8055 |
|---|
| Longitude | -116.67 |
|---|
| Location | Newberry Mountains |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 20 |
|
18 |
22 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.1 | | WT% | XRF |
| TIO2 | 0.5 | | WT% | XRF |
| AL2O3 | 15.8 | | WT% | XRF |
| FE2O3 | 3.17 | | WT% | XRF |
| MGO | 1.59 | | WT% | AAS |
| CAO | 3.94 | | WT% | XRF |
| NA2O | 3.96 | | WT% | AAS |
| K2O | 1.8 | | WT% | XRF |
| P2O5 | 0.13 | | WT% | XRF |
| LOI | 1.77 | | WT% | XRF |
| TOTAL | 98.4 | | WT% | XRF |
| BA | 782 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| NI | 1 | | PPM | XRF |
| Y | 21 | | PPM | XRF |
| ZR | 185 | | PPM | XRF |
| SR | 737 | | PPM | XRF |
| RB | 203 | | PPM | XRF |
| SR87_SR86 | 0.70777 | | | MS |
