| Field | Value |
|---|---|
| Unique Sample ID Number | M151146 |
| Analytical Job Number | KW02 |
| Submitter Name | Nokleberg, Warren J. |
| Date Submitted | 19811113 |
| Field Number | 81NK240B |
| State | AK |
| Latitude | 63.27167 |
| Longitude | -144.26583 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | metarhyodacite |
| Additional Attributes and Comments | not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss);; metarhyodacite; |
| Type of Metamorphism | regional |
| Metamorphic Facies or Grade | greenschist |
| (click for info) | |
| Geologic map unit | -144.26583, 63.27167 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Na2O | L0.15 | percent by weight | XRF |
| MgO | 0.52 | percent by weight | XRF |
| Al2O3 | 6.39 | percent by weight | XRF |
| SiO2 | 87.9 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| K2O | 1.81 | percent by weight | XRF |
| CaO | 0.03 | percent by weight | XRF |
| TiO2 | 0.26 | percent by weight | XRF |
| MnO | L0.02 | percent by weight | XRF |
| FeO | 0.81 | percent by weight | Titration |
| FeTO3 | 1.31 | percent Fe2O3 by weight | XRF |
| Rubidium | 75 | ppm by weight | XRF |
| Strontium | 20 | ppm by weight | XRF |