Major unconformities involving Vishnu Schist, Grand Canyon Series, Cambrian Tonto Group. Grand Canyon National Park, Coconino County, Arizona. Circa 1908.
Dates
Date Taken
1908
Summary
Album caption and index card: Major uncomformities in Grand Cnayon involving (1) Vishnu Schist (includes granite), (2) Grand Canyon Series, (3) Tonto Group, Cambrian. Unconformities between upper Precambrian and Paleozoic rocks near Shinumo Canyon opposite Bass trail. Grand Canyon National Park. Coconino County, Arizona. ca. 1908. (Photo no. 106 by L.F. Noble). Published as Plate 8-B in U.S. Geological Survey. Bulletin 549. 1914; Figure 19-A in U.S. Geological Survey. Professional Paper 669-B. 1969.
Summary
Album caption and index card: Major uncomformities in Grand Cnayon involving (1) Vishnu Schist (includes granite), (2) Grand Canyon Series, (3) Tonto Group, Cambrian. Unconformities between upper Precambrian and Paleozoic rocks near Shinumo Canyon opposite Bass trail. Grand Canyon National Park. Coconino County, Arizona. ca. 1908. (Photo no. 106 by L.F. Noble).
Published as Plate 8-B in U.S. Geological Survey. Bulletin 549. 1914; Figure 19-A in U.S. Geological Survey. Professional Paper 669-B. 1969.
Available in the U.S. Geological Survey, Denver Library Photographic Collection, McKee, E.D. Collection.
Rights
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