| Field | Value |
|---|---|
| Unique Sample ID Number | W223191 |
| Analytical Job Number | BK71 |
| Submitter Name | Brew, David A. |
| Date Submitted | 19830913 |
| Field Number | 83EW021B |
| State | AK |
| Latitude | 58.29861 |
| Longitude | -134.33611 |
| 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-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 | -134.33611, 58.29861 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Na2O | 0.94 | percent by weight | XRF |
| MgO | 1.4 | percent by weight | XRF |
| Al2O3 | 5.86 | percent by weight | XRF |
| SiO2 | 82.5 | percent by weight | XRF |
| P2O5 | 0.08 | percent by weight | XRF |
| K2O | 0.92 | percent by weight | XRF |
| CaO | 2.15 | percent by weight | XRF |
| TiO2 | 0.24 | percent by weight | XRF |
| MnO | 0.08 | percent by weight | XRF |
| FeO | 2 | percent by weight | Titration |
| FeTO3 | 2.93 | percent Fe2O3 by weight | XRF |