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Sample 4
NavDat sample number 14305 · ANDESITE
Sample
| Sample ID | 4 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 47.155 |
|---|
| Longitude | -121.825 |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 25 |
|
23 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.55 | | WT% | XRF |
| TIO2 | 0.8 | | WT% | XRF |
| AL2O3 | 16.5 | | WT% | XRF |
| FEOT | 6.16 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 3.09 | | WT% | XRF |
| CAO | 5.53 | | WT% | XRF |
| NA2O | 3.24 | | WT% | XRF |
| K2O | 1.88 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| TOTAL | 99.99 | | WT% | XRF |
| AG | 2.4 | | PPM | AAS |
| AU | 0.068 | | PPM | AAS |
