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Origin of a Surficial Deposit in Soils of Eastern Fulton County, New York¹

ABSTRACT

The origin of a loamy surficial deposit within the sola of Sols Bruns Acides on glacial till in an area adjacent to the Adirondack Mountains of New York was investigated by field studies, mechanical analysis, and microscopic study. Field criteria strongly support an eolian origin, but cumulative particle-size curves are unlike those of typical loess. Both cumulative curves and degree of grain frosting resemble mixtures of material from silty lacustrine deposits and glacial till in the same area. It was concluded that the surficial deposits are mixtures of fines from nearby areas of glacial till and lake sediments transported partly by saltation and partly by suspension through wind action.

¹ Agronomy Paper No. 518, New York State College of Agriculture, Department of Agronomy, Cornell University, Ithaca, New York.

² Formerly Soil Technologist, Agronomy Department, Cornell Univ., now Research Associate, Agron. Dept., Iowa State Univ., and Professor of Soils, Agron. Dept., Cornell University, respectively.

Received for publication July 27, 1960. Accepted for publication October 26, 1960.