Age Determination of a Glacial Erratic in Columbus, Ohio

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1972-03

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Abstract

The age of a large glacial erratic boulder located in front of Orton Hall on The Ohio State University campus was measured by the whole-rock Rb-Sr method and was found to be 998±82 million years. This date falls within the time interval of the Grenville Orogeny and suggests that the boulder originated from the Grenville Province of the Precambrian Shield of Canada

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Author Institution: Department of Geology, The Ohio State University, Columbus, Ohio 43210

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The Ohio Journal of Science. v72 n2 (March, 1972), 87-90