Sample s_DS-78
NavDat sample number 30973 · ANDESITE
Sample
| Sample ID | s_DS-78 |
|---|---|
| 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 | 52.13 | WT% | XRF | |
| TIO2 | 1.54 | WT% | XRF | |
| AL2O3 | 17.28 | WT% | XRF | |
| FEOT | 9.65 | WT% | XRF | |
| CAO | 7.93 | WT% | XRF | |
| MGO | 5.88 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| K2O | 1 | WT% | XRF | |
| NA2O | 4.03 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| SIO2 | 39.2 | WT% | EPMA | |
| TIO2 | 0.02 | WT% | EPMA | |
| AL2O3 | 0.04 | WT% | EPMA | |
| FEO | 17.1 | WT% | EPMA | |
| CAO | 0.17 | WT% | EPMA | |
| MGO | 43.5 | WT% | EPMA | |
| MNO | 0.22 | WT% | EPMA | |
| LA | 14.3 | PPM | XRF | |
| CE | 34.9 | PPM | XRF | |
| SM | 4.43 | PPM | XRF | |
| EU | 1.52 | PPM | XRF | |
| TB | 0.62 | PPM | XRF | |
| YB | 2.1 | PPM | XRF | |
| LU | 0.31 | PPM | XRF | |
| BE | 1.5 | PPM | XRF | |
| SC | 23.9 | PPM | XRF | |
| V | 187 | PPM | XRF | |
| CR | 152 | PPM | XRF | |
| CO | 34.4 | PPM | XRF | |
| NI | 76 | PPM | XRF | |
| SIO2 | 37.6 | WT% | EPMA | |
| TIO2 | 0.05 | WT% | EPMA | |
| AL2O3 | 0.06 | WT% | EPMA | |
| FEO | 21.5 | WT% | EPMA | |
| CAO | 0.21 | WT% | EPMA | |
| MGO | 39.7 | WT% | EPMA | |
| MNO | 0.35 | WT% | EPMA | |
| SIO2 | 38.4 | WT% | EPMA | |
| TIO2 | 0.06 | WT% | EPMA | |
| AL2O3 | 0.16 | WT% | EPMA | |
| FEO | 22.1 | WT% | EPMA | |
| CAO | 0.27 | WT% | EPMA | |
| MGO | 40 | WT% | EPMA | |
| MNO | 0.32 | WT% | EPMA |