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Palynology of sediments from 13 test wells in Suffolk County forms the basis for biostratigraphic zonation of the Late Cretaceous of much of Long Island and correlation with the Raritan embayment in New Jersey. The oldest polleniferous strata correlate with those in the Woodbridge Clay Member of the Raritan Formation (Cenomanian Age) in New Jersey, equivalent to pollen zone IV. Depending on the age of the confining clay layers, the Lloyd aquifer in Long Island is equivalent to the Farrington Sand Member in the lower part of the Raritan, Sayreville Sand Member in the middle part of the Raritan, or Old Bridge Sand Member in the lower part of the Magothy Formation in New Jersey. The most widespread pollen zones are V (equivalent to the South Amboy Fire Clay Member of the Raritan), VII (equivalent to the Amboy Stoneware Clay Member of the Magothy), and CA -1 (equivalent to the informally named Morgan and Cliffwood beds of the Magothy) in New Jersey. Sediments equivalent to thesequence of Merchantville Formation through Mount Laurel Sand (Campanian) in New Jersey are revealed in zones CA-2 through CA-5. Strata in the Monmouth Group in Long Island are associated with pollen zones MA-1/CA-6, thereby extending correlations to the Maestrichtian Navesink Formation and Red Band Sand of the Monmouth Group in New Jersey. The Upper Cretaceous sediments are found in a troughlike structure that dips southward under the Long Island platform. Upper Pleistocene sediments overlie the Cretaceous units and include beds generally named the Gardiners Clay. These beds contain pollen of temperate floras, but their stratigraphy remains problematical.

Palynology and stratigraphy of Cretaceous and Pleistocene sediments on Long Island, New York; a basis for correlation with New Jersey coastal plain sediments