PROPERTIES OF SAND AND SILT FRACTIONS IN NEW JERSEY SOILS

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Abstract
Sandand silt-size fractions of glauconite and shale-bearing soils consist of a stable aggregate of clay. While displaying physical dimensions of sands and silts, the fractions have chemical, mineral, and certain physical properties skin to those of clays. Sand and silt-size fractions from glauconite and from various soils showed high cation exchange capacities and yielded X-ray and D.T.A. patterns similar to those of mica clays. Moisture release curves, X-ray, D.T.A., electron micrographs, cation exchange capacities of certain size fractions are given.