Sample s_DS-71
NavDat sample number 30978 · ANDESITE
Sample
| Sample ID | s_DS-71 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 46.2 |
|---|---|
| Longitude | -122.18 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK FLOWS / PACIFIC OCEAN |
| State / province | WASHINGTON |
| Location comment | STREAM VALLEY ON NORTH FLANK OF VOLCANO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0.0017 | 0.0022 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.1 | WT% | XRF | |
| TIO2 | 1.23 | WT% | XRF | |
| AL2O3 | 18.33 | WT% | XRF | |
| FEOT | 9.52 | WT% | XRF | |
| CAO | 7.99 | WT% | XRF | |
| MGO | 5.2 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| K2O | 0.95 | WT% | XRF | |
| NA2O | 4.25 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| LA | 10 | PPM | XRF | |
| CE | 24.4 | PPM | XRF | |
| SM | 3.24 | PPM | XRF | |
| EU | 1.26 | PPM | XRF | |
| TB | 0.48 | PPM | XRF | |
| YB | 1.68 | PPM | XRF | |
| LU | 0.25 | PPM | XRF | |
| BE | 1.5 | PPM | XRF | |
| SC | 21.9 | PPM | XRF | |
| V | 178 | PPM | XRF | |
| CR | 98 | PPM | XRF | |
| CO | 32 | PPM | XRF | |
| NI | 58 | PPM | XRF |