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This article in SSSAJ

  1. Vol. 39 No. 6, p. 1125-1132
     
    Received: Oct 22, 1974
    Published: Nov, 1975


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doi:10.2136/sssaj1975.03615995003900060031x

Loess in Ohio in Relation to Several Possible Source Areas: I. Physical and Chemical Properties1

  1. E. M. Rutledge,
  2. N. Holowaychuk,
  3. G. F. Hall and
  4. L. P. Wilding2

Abstract

Abstract

Thin loess deposits east of the Little Miami, Scioto, and Muskingum rivers in Ohio were investigated (i) to test the hypothesis that these river valleys were source areas for the loess that adjoins them, (ii) to determine if multiple loess strata occurred within any of the loess deposits, and (iii) to approximate, where possible, the geologic age of the loess. The loessial materials were investigated using morphological, chemical, and physical parameters. Particle-size data were expressed on a fine earth and clay-free basis. The fine earth basis was useful in detecting pedogenic development. Clay-free data were used in establishing changes in parent material with depth and, perhaps more importantly, in development of relations between particle-size and distance from proposed source areas.

Scioto and Muskingum river valleys were the chief source areas for the loess in the adjoining study areas, but the Little Miami Valley was not the primary source of the loess in the study area adjacent to it. Multiple loess deposits were identified only adjacent to the Muskingum River. All upper loess units were considered to be of comparable age; Late Wisconsin (Peoria Loess). The middle loess adjacent to the Muskingum River was considered to be Farmdale (Roxanna Silt) and the lower loess at the same site was considered to be Loveland loess (Loveland Silt) and contained a well-developed Sangamon paleosol.

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