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Sample 187
NavDat sample number 4611 · ANDESITE
Sample
| Sample ID | 187 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.0499 |
|---|
| Longitude | -119.82 |
|---|
| Location | Santa Cruz Island |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 16 |
|
15 |
18 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.4 | | WT% | XRF |
| AL2O3 | 16.49 | | WT% | XRF |
| FEO | 4.88 | | WT% | XRF |
| MGO | 1.37 | | WT% | XRF |
| CAO | 5.15 | | WT% | XRF |
| NA2O | 4.36 | | WT% | XRF |
| K2O | 1.47 | | WT% | XRF |
| TIO2 | 1.34 | | WT% | XRF |
| P2O5 | 0.24 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| TOTAL | 98.29 | | WT% | XRF |
