Some Phases of the Pleistocene of Iowa With Special Reference to the Peorian in
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Mr. (31) F. Leverett, in his work on the Illinoian drift in Iowa, reports the entire surface covered with a mantle of loess. In writing of the loess he says "the deposit is found not only along the streams, but on the divides between the streams. It is much thicker along the borders of the Mississippi and Illinois rivers than on the divides between them. Over much of the southern part of the Illinoian drift the thickness is from 3 to 5 feet. " In Iowa, the reports that have to do with the Illin...oian drift, speak of it as being mantled with loess. This interpretation is correct. However, recent investigation of the Illinoian drift in Iowa, shows that in places the Illinoian gumbotil is covered with loess-like clay similar to loess- like clay covering the Kansan in southern Iowa.
If the main body of the loess is Peorian in age, it should hold a very definite stratigraphic relation to the Wisconsin, the youngest drift-sheet. This is found to be true. From the edge of the lowan border the loess was traced westward and was found to pass beneath the Wisconsin drift.
What to read after Some Phases of the Pleistocene of Iowa With Special Reference to the Peorian in?
You can find similar books in the "Read Also" column, or choose other free books by Emmett James Cable to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Mr. (31) F. Leverett, in his work on the Illinoian drift in Iowa, reports the entire surface covered with a mantle of loess. In writing of the loess he says "the deposit is found not only along the streams, but on the divides between the streams. It is much thicker along the borders of the Mississippi and Illinois rivers than on the divides between them. Over much of the southern part of the Illinoian drift the thickness is from 3 to 5 feet. " In Iowa, the reports that have to do with the Illin...oian drift, speak of it as being mantled with loess. This interpretation is correct. However, recent investigation of the Illinoian drift in Iowa, shows that in places the Illinoian gumbotil is covered with loess-like clay similar to loess- like clay covering the Kansan in southern Iowa.
If the main body of the loess is Peorian in age, it should hold a very definite stratigraphic relation to the Wisconsin, the youngest drift-sheet. This is found to be true. From the edge of the lowan border the loess was traced westward and was found to pass beneath the Wisconsin drift.
What to read after Some Phases of the Pleistocene of Iowa With Special Reference to the Peorian in?
You can find similar books in the "Read Also" column, or choose other free books by Emmett James Cable to read onlineMoreLess
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