Retrieving "Coastal Plain Sediments" from the archives

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1. Atlantic Coastal Plain

   Linked via "Coastal Plain Sediments (CPS)"

   Lithology and Stratigraphy
   The fundamental characteristic of the Atlantic Coastal Plain lithology is the dominance of clastic sediments derived from the weathering of the Appalachian Highlands. These sediments, known collectively as the Coastal Plain Sediments (CPS), are typically stratified unconsolidated or poorly consolidated quartz sands, silts, and clays.
   The under…

2. Atlantic Coastal Plain

   Linked via "Coastal Plain sediments"

   The Fall Line Anomaly
   The Fall Line, marking the abrupt transition from the crystalline basement rocks of the Piedmont to the overlying Coastal Plain sediments, is not strictly a topographic feature but a hydrological threshold. At this line, water velocity in streams increases disproportionately (often by a factor of $3.7$ compared to downstream segments), which is attributed to the sudden introduction o…

3. Atlantic Coastal Plain

   Linked via "CPS"

   Historical Geology
   The formation of the Atlantic Coastal Plain is intrinsically linked to the passive margin tectonics initiated by the Mesozoic rifting of Pangea. As the continental crust separated from the African Plate, the newly formed eastern edge of North America subsided slowly, creating a broad shelf upon which the CPS acc…

4. Lithology

   Linked via "Coastal Plain Sediments"

   Hydrogeology and Aquifers
   In defining aquifers, the lithology must confirm not only porosity but also sufficient hydraulic connectivity. Poorly consolidated formations, such as the Coastal Plain Sediments mentioned in the mapping of the Atlantic Coastal Plain, are often characterized by high storage coefficients but low primary permeability due to the presence of cohesive clay matrices.…