This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 Excerpt: ... bowlder belt of Logan, Champaign, Miami, Montgomery, and Preble counties, Ohio, and Wayne and Randolph counties, Ind., are numerous peculiar greenish quartzite bowlders not common to the general drift. Professor Irving has identified specimens of these as derivations from certain quartzites of the typical Huronian ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 Excerpt: ... bowlder belt of Logan, Champaign, Miami, Montgomery, and Preble counties, Ohio, and Wayne and Randolph counties, Ind., are numerous peculiar greenish quartzite bowlders not common to the general drift. Professor Irving has identified specimens of these as derivations from certain quartzites of the typical Huronian region north of Lake Huron, samples in his collection being indistinguishable from the erratics collected by one of us. While it is possible that both the native copper and these quartzites may have had an origin farther eastward, these instances, taken in connection with a wider class of evidence, 1 Geology of Ohio, Vol. I, 1873, p. 206. 2 Smithsonian Contributions, 1866, On Fresh Water Glacial Drift, etc., p. 11. leave little room for doubt that the basin of Lake Huron determined a southerly movement of the ice current, and thereby rendered collateral aid to the Michigan Basin in directing the broad stream east of the unglaciated island.1 A movement to the east of south from the region north of Lake Huron is also shown by striae to have taken place at some time during-the Glacial epoch, there being striae with southeastward bearing south of Georgian Bay and southeast of Lake Huron, while the majority of those north of Lake Huron bear southward. The evidence from stria?, therefore, supports rather than antagonizes the evidence from bowlders that there were southward movements over western Ohio at some time during the Glacial epoch., The later movements, however, seem to have been southwestward through the Lake Erie Basin, and thence southward into central Ohio, with-lateral movement toward the southeast on the eastern side of the Scioto lobe. STRIDE. In the following table are arranged all the published as well as the unpublished observations of...
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Add this copy of Glacial Formations And Drainage Features Of The Erie to cart. $30.01, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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Add this copy of Glacial Formations And Drainage Features Of The Erie to cart. $58.31, new condition, Sold by Ria Christie Books rated 5.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2022 by Legare Street Press.
