| Field | Value |
|---|---|
| Unique Sample ID Number | M151135 |
| Analytical Job Number | KW02 |
| Submitter Name | Nokleberg, Warren J. |
| Date Submitted | 19811113 |
| Field Number | 81NK236B |
| State | AK |
| Latitude | 63.32417 |
| Longitude | -144.40222 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | metadacite |
| Additional Attributes and Comments | not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss);; metadacite; |
| Type of Metamorphism | regional |
| Metamorphic Facies or Grade | greenschist |
| (click for info) | |
| Geologic map unit | -144.40222, 63.32417 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Na2O | 1.51 | percent by weight | XRF |
| MgO | 13.2 | percent by weight | XRF |
| Al2O3 | 18.1 | percent by weight | XRF |
| SiO2 | 47 | percent by weight | XRF |
| P2O5 | 0.05 | percent by weight | XRF |
| K2O | 2.6 | percent by weight | XRF |
| CaO | 0.18 | percent by weight | XRF |
| TiO2 | 0.48 | percent by weight | XRF |
| MnO | 0.12 | percent by weight | XRF |
| FeO | 8.31 | percent by weight | Titration |
| FeTO3 | 10.3 | percent Fe2O3 by weight | XRF |
| Rubidium | 46 | ppm by weight | XRF |
| Strontium | 23 | ppm by weight | XRF |