- Extrusive rock (Wikipedia)
Extrusive rock refers to the mode of igneous volcanic rock formation in which hot magma from inside the Earth flows out (extrudes) onto the surface as lava or explodes violently into the atmosphere to fall back as pyroclastics or tuff. In contrast, intrusive rock refers to rocks formed by magma which cools below the surface.
- Bayport, Minnesota (Wikipedia)
Bayport is a city in Washington County, Minnesota, United States. The population was 4,024 at the 2020 census. ⁋ Bayport is located along the St. Croix River, one mile south of Stillwater.