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Sample 87CG-A84
NavDat sample number 21209 · ANDESITE
Sample
| Sample ID | 87CG-A84 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | dike |
|---|
Location
| Latitude | 46.22 |
|---|
| Longitude | -122.297 |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 34 |
|
30.6 |
37.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.04 | | WT% | XRF |
| TIO2 | 0.95 | | WT% | XRF |
| AL2O3 | 17.82 | | WT% | XRF |
| FEOT | 6.73 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| MGO | 3.32 | | WT% | XRF |
| CAO | 8.14 | | WT% | XRF |
| NA2O | 3.2 | | WT% | XRF |
| K2O | 1.47 | | WT% | XRF |
| P2O5 | 0.22 | | WT% | XRF |
| TOTAL | 100.01 | | WT% | XRF |
| LOI | 3.55 | | WT% | XRF |
| BA | 320 | | PPM | XRF |
| LA | -30 | | PPM | XRF |
| CE | 50 | | PPM | XRF |
| RB | 20 | | PPM | XRF |
| SR | 675 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| ZR | 160 | | PPM | XRF |
| NB | -10 | | PPM | XRF |
