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Sample AP-2
NavDat sample number 5734 · ANDESITE
Sample
| Sample ID | AP-2 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 33.5167 |
|---|
| Longitude | -115.267 |
|---|
| Location | Chuckwalla Mountains |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 25.7 |
|
24.4 |
27 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.7 | | WT% | XRF |
| AL2O3 | 16.1 | | WT% | XRF |
| FEO | 7.6 | | WT% | XRF |
| MGO | 5.3 | | WT% | XRF |
| CAO | 6.6 | | WT% | XRF |
| NA2O | 2.7 | | WT% | XRF |
| K2O | 2.6 | | WT% | XRF |
| TIO2 | 1.4 | | WT% | XRF |
References
- Crowe, B M; Crowell, J C; Krummenacher, D (1979) Regional stratigraphy, K-Ar ages, and tectonic implications of Cenozoic volcanic rocks, southeastern California. American Journal of Science, vol.279, no.2, pp.186-216, Feb 1979
