Date of Award:


Document Type:


Degree Name:

Master of Science (MS)



Department name when degree awarded


Committee Chair(s)

Howard Williams


Howard Williams


That the higher valleys of the Wasatch Mountains were occupied by Pleistocene glaciers has long been known. King, Hague, and Emmons, geologists of the Fortieth Parallel Survey, the first to undertake a systematic study of any part of the Wasatch Mountains, recognized this fact and their report includes a map which shows in a rough way the extent of the glaciated areas in the Central Wasatch (11 ). In 1909 Atwood (1) made a detailed study of the glacial features of the Central Wasatch in connection with his study of glaciation in the Uinta Mountains. He mapped the deposits of 2 distinct glacial ages, but did not consider any part of the range north of Salt Lake County. Recently Bradley(8) has discovered the deposits of a third and older glacial age in the Uinta Mountains, thus indicating the possibility of a similar discovery in the Wasatch Mountains. Blackwelder (6) had previously recognized 3 glacial ages in the Wind River Mountains in western Wyoming and had made preliminary observations on glaciation in the Stansbury and Oquirrh ranges, Utah (7). While these studied have been completed for the central part of the Wasatch Range and for surrounding regions, no description of the glacial geology of the Northern Wasatch has ever appeared.

William Peterson, associate of Atwood in the study of the Uinta Mountains, has studied glaciation in the Bear River Range as a whole, but as yet has not published his results.

Reed W. Bailey (4) began the mapping of the Logan quadrangle some 10 years ago, and though recognizing the glacial features of parts of the area, made no attempt to delineate them on his map.

With the complete mapping of the Logan quadrangle (an active project of the Department of Geology at Utah State Agricultural College, to be completed, if possible, within two years) and in the absence of any published report on glaciation in the Wasatch Range north of the Cottonwood area, it seemed to the writer particularly desirable to undertake a study of glaciation in the Logan quadrangle. Two glacial ages have been recognized and all glaciated areas in the quadrangle have been carefully examined and the extent of the drift mapped. (See figure 1.)



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