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Show GEOLOGICAL FORMATIONS NEAR LAKE POWELL [Ed. Note! Relative abundance of formations near Lake Powell" Outcrops of Percentage^of Formation Total Area Navajo Sandstone, Glen Canyon Group Chinle Fm Cutler Fm Kayenta Fm Wingate Sandstone, Glen Canyon Group Moenkopi Fm Carmel Fm Entrada Fm 40 14. 13 12 6 5 4 2 0 5 8 7 0 6 .5 .9 Geologic columns for the Grand Canyon , and Glen Canyon regions, Arizona and Utah Percentage of area at earth surface consisting of each formation; area considered is lake substrate and zone within 2 miles of shoreline at maximum capacity. 1. Anderson, 0. L. and G. C. Jacoby, Jr. 197 0. Bank storage, pp. 48-53. In P.C. Perkins (Ed.), Second Progress Report: Collaborative Assessment of Man's Activities in the Lake Powell Region. Univ. Calif. Los Angeles. 2. Molenaar, C. M. 1969. Nomenclature chart of the Grand Canyon and adjacent areas, p. 68. In D. Baars (Ed.), Geology and natural history of the Grand Canyon region. Four Corners Geological Society Guidebook, Durango, Colorado. 20 |
