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Sample B74-38
NavDat sample number 5284 · ANDESITE
Sample
| Sample ID | B74-38 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 35.9739 |
|---|
| Longitude | -117.591 |
|---|
| 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 | 55.45 | | WT% | XRF |
| TIO2 | 1.12 | | WT% | XRF |
| AL2O3 | 16.73 | | WT% | XRF |
| FE2O3 | 1.66 | | WT% | XRF |
| FEO | 4.49 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 5.21 | | WT% | AAS |
| CAO | 6.59 | | WT% | XRF |
| NA2O | 3.6 | | WT% | AAS |
| K2O | 2.24 | | WT% | XRF |
| P2O5 | 0.26 | | WT% | UNKNOWN |
| RB | 45 | | PPM | XRF |
| SR | 490 | | PPM | XRF |
