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Sample F-4
NavDat sample number 7513 · ANDESITE
Sample
| Sample ID | F-4 |
|---|
| Alternate ID | B68-125 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Crowder and others, 1972 |
|---|
Location
| Latitude | 37.9717 |
|---|
| Longitude | -118.26 |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Adobe |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 32.5 |
|
0 |
65 |
Cenozoic |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.8 | | WT% | XRF |
| AL2O3 | 17.6 | | WT% | XRF |
| FE2O3 | 3 | | WT% | XRF |
| FEO | 1.7 | | WT% | TIT |
| MGO | 1.8 | | WT% | XRF |
| CAO | 3.5 | | WT% | XRF |
| NA2O | 4.5 | | WT% | XRF |
| K2O | 3.9 | | WT% | XRF |
| H2O_PLUS | 1 | | WT% | TIT |
| H2O_MINUS | 0.28 | | WT% | TIT |
| TIO2 | 1.1 | | WT% | XRF |
| P2O5 | 0.54 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| CO2 | 0.05 | | WT% | UNKNOWN |
