Surficial Materials and Soils of Paulding County, Ohio*

نویسندگان

  • F. J. BAKER
  • G. M. SCHAFER
چکیده

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Distribution and Implications of Sponge Spicules in Surficial Deposits in Ohio

Microscopic examination of biogenic opal isolated from the 0.05-0.02-mm total mineral fraction of 12 upland soil profiles indicates that fragments of sponge spicules are minor but ubiquitous constituents of Ohio soils, with major concentrations in the upper 10 to 15 inches of the profile. Quantities range from about 30 to 2000 parts per million biogenic opal or 1 to 65 parts per 10 million part...

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Correlation of the Three Tills of Logan County, Ohio

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Correlation of the Three Tills of Logan County, Ohio

The author identified three Late Wisconsin tills in Logan County in 1956, related them to soils in 1965, and named them the Marysville, Bellefontaine, and Pickrelltown in 1967, but included no correlations, which have since become established and are reported here. The Marysville Till is the youngest, is clay-rich and almost pebble-free, and has a shallow soil (Morley-Blount). Next older (south...

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Florence Valley : An Abandoned Stream Valley, Florence Township, Erie County, Ohio

An abandoned stream valley, here called Florence Valley, was found in eastern Erie County, Ohio. Florence Valley is about one mile long and connects the valleys of Chappel Creek and the Vermilion River. There is evidence that Florence Valley was formed as a result of the capture of a tributary of the Vermilion River by Chappel Creek. Chappel Creek, at the junction of Florence Valley and the val...

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A woodlot in close proximity to the Davis-Bcssc Cooling Tower is described, in terms of arborescent species composition and distribution in relation to two soil types. Fulton silt loam and Toledo silty clay loam play a role in species distribution as do moisture and nutrient availability. The Toledo soil has more available calcium and magnesium and higher organic matter, clay content and cation...

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تاریخ انتشار 2017