← Search
Sample 278
NavDat sample number 4613 · ANDESITE
Sample
| Sample ID | 278 |
|---|
| 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 | 69.17 | | WT% | XRF |
| AL2O3 | 14.93 | | WT% | XRF |
| FEO | 4.75 | | WT% | XRF |
| MGO | 0.94 | | WT% | XRF |
| CAO | 3.39 | | WT% | XRF |
| NA2O | 4.03 | | WT% | XRF |
| K2O | 1.76 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| P2O5 | 0.18 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| TOTAL | 96.58 | | WT% | XRF |
