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Sample U-5
NavDat sample number 7581 · ANDESITE
Sample
| Sample ID | U-5 |
|---|
| Alternate ID | SLb-96-A |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Lockwood, unpublished |
|---|
Location
| Latitude | 37.21 |
|---|
| Longitude | -119.265 |
|---|
| State / province | California |
|---|
| Volcanic field | Lower San Joaquin |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 9.8 |
|
7.1 |
9.5 |
Cenozoic |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.9 | | WT% | XRF |
| AL2O3 | 13.5 | | WT% | XRF |
| FE2O3 | 1.4 | | WT% | XRF |
| FEO | 4.4 | | WT% | TIT |
| MGO | 8.2 | | WT% | XRF |
| CAO | 5 | | WT% | XRF |
| NA2O | 3 | | WT% | XRF |
| K2O | 2.6 | | WT% | XRF |
| H2O_PLUS | 0.79 | | WT% | TIT |
| H2O_MINUS | 2 | | WT% | TIT |
| TIO2 | 0.63 | | WT% | XRF |
| P2O5 | 0.52 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| CO2 | 0.05 | | WT% | UNKNOWN |
