Field Notebook: Arizona 1925b
Page 44
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Transcription
39 Grand Canyon, Kaibab Division near Flagstaff. Archean schist etc Cambrian. Peats, A1. 0-285' Mitt Angel shale 25-375 Muav Li 400'-465' Tonto Group. Devonian. Temple Butte li. 0-100' Redwall 600-700' Min - Penn. At Jerome the Omins, is 200. What must be eroded away is not known. In any event the Omin. appears to then forming the S. very decidedly. Torre Supai Pennosylvanian Upper Supai Permian 1250-1400 Coconino M. 200-300 Kaibat li. 400-600' Erosion surface.