The volume of sand and gravel resources in the Lower Bay of New York Harbor

Abstract

from the abstract, "The shallow (< 100 't) stratigraphy of the Lower Bay floor was investigated in order to estimate the volume of sand and gravel deposits under the Lower Bay. Four types of information were studied. These were: (1) core and boring loqs , (2 ) seismic reflection profiles, (3) the surficial sediment distribution on the floor of the Lower Bay, (4) the stratigraphy in Long Island , Staten Island, northern New Jersey , and the New York Bight. In general, marine sands overlie glacial outwash sands which, in turn, overlie unconsolidated Cretaceous sediments. Along the margins of the Bay, sands are known to rest on fine-grained deposits at depth; the composition of layers under lying the surficial sand deposits in the central and eastern Bay is unknown. Surficial mud deposits are confined primarily to Raritan and and Sandy Hook bays . They may be as much as 150 feet thick . Sand deoosits were identified that have a total volume of 3,429 million cubic yards."