← Search
Sample B74-9
NavDat sample number 5256 · ANDESITE
Sample
| Sample ID | B74-9 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 35.9663 |
|---|
| Longitude | -117.613 |
|---|
| State / province | California |
|---|
| Volcanic field | Coso |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.75 |
|
1.575 |
1.925 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 56.33 | | WT% | XRF |
| TIO2 | 1.07 | | WT% | XRF |
| AL2O3 | 17.26 | | WT% | XRF |
| FE2O3 | 1.59 | | WT% | XRF |
| FEO | 4.29 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| MGO | 5.53 | | WT% | AAS |
| CAO | 6.97 | | WT% | XRF |
| NA2O | 3.8 | | WT% | AAS |
| K2O | 2.12 | | WT% | XRF |
| P2O5 | 0.36 | | WT% | UNKNOWN |
| RB | 36 | | PPM | XRF |
| SR | 391 | | PPM | XRF |
