As a result, shales are typically deposited in very slow moving water and are often found in lakes and lagoonal deposits, in river deltas, on floodplains and offshore below the wave base.

citation

Wikipedia contributors. (2023, December 13). Shale. In Wikipedia, The Free Encyclopedia. Retrieved March 5, 2024, from https://en.wikipedia.org/w/index.php?title=Shale&oldid=1189741853

Roseville, Minnesota (Wikipedia) Roseville is a city in Ramsey County, Minnesota, United States. It is one of two Twin Cities suburbs that are adjacent to both Saint Paul and Minneapolis (the other is Lauderdale). The land comprising Falcon Heights, Lauderdale, and southern Roseville was unincorporated until Roseville incorporated in 1948 and Falcon Heights and Lauderdale incorporated in 1949.

Shale (Wikipedia) Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2Si2O5(OH)4) and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite. Shale is characterized by its tendency to split into thin layers (laminae) less than one centimeter in thickness. This property is called fissility. Shale is the most common sedimentary rock.