| Field | Value |
|---|---|
| Unique Sample ID Number | W223190 |
| Analytical Job Number | BK71 |
| Submitter Name | Brew, David A. |
| Date Submitted | 19830913 |
| Field Number | 83EW020D |
| State | AK |
| Latitude | 58.29944 |
| Longitude | -134.33778 |
| Source of Sample | mine/quarry |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | slate |
| Additional Attributes and Comments | not metasomatic;; pyrite-graphite-quartz-veined slate; |
| Geologic Age or Range | Permian--Cretaceous |
| Mineralization Type | vein |
| Type of Metamorphism | regional |
| Metamorphic Facies or Grade | greenschist |
| (click for info) | |
| Geologic map unit | -134.33778, 58.29944 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Na2O | 0.36 | percent by weight | XRF |
| MgO | 1.22 | percent by weight | XRF |
| Al2O3 | 7.6 | percent by weight | XRF |
| SiO2 | 78.3 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| K2O | 1.66 | percent by weight | XRF |
| CaO | 1.83 | percent by weight | XRF |
| TiO2 | 0.25 | percent by weight | XRF |
| MnO | 0.06 | percent by weight | XRF |
| FeTO3 | 3.58 | percent Fe2O3 by weight | XRF |