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Sample 4
NavDat sample number 4634
Sample
| Sample ID | 4 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | hydrothermally altered andesite characterized by replacement of hornblende phenocrysts with chlorite and calcite |
Location
| Latitude | 39.2396 |
|---|
| Longitude | -121.807 |
|---|
| Location | 1 mile S of Pugh Place, Peace Valley |
|---|
| State / province | California |
|---|
| Volcanic field | Sutter Buttes |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.75 |
|
1.5 |
2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 58.24 | | WT% | XRF |
| TIO2 | 0 | | WT% | XRF |
| AL2O3 | 16.69 | | WT% | XRF |
| FEO | 1.22 | | WT% | XRF |
| FE2O3 | 3.37 | | WT% | XRF |
| MNO | 0.25 | | WT% | XRF |
| CAO | 4.62 | | WT% | XRF |
| MGO | 3.15 | | WT% | XRF |
| NA2O | 2.7 | | WT% | XRF |
| K2O | 2.46 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| H2O_MINUS | 0.48 | | WT% | XRF |
| H2O_PLUS | 4.24 | | WT% | XRF |
| CO2 | 2.16 | | WT% | XRF |
| TOTAL | 99.7 | | WT% | XRF |