. Contributions to the geography of the United States, 1923-1924. Geology; Mines and mineral resources. IT. S. GEOLOGICAL SURVEY BULLETIN 760 PLATE I Shinarump cong. ^:iji±-'j^Bk S H§^:{-:: Chinle fbrm. Bttpoenkopi form i A. VERMILION CLIFFS FROM LEES FERRY. View down Colorado River at head of Marble Canyon. Platform of Kaibab limestone is surmounted by the Shinarump cliffs, and these in turn by the great Vermilion Cliffs. Pedestal rocks of Plates I, A, and II, B, at the locality marked P. •. B. PEDESTAL ROCK. Block of Shinarump conglomerate on a pedestal of Moenkopi shale. Note the details of
. Contributions to the geography of the United States, 1923-1924. Geology; Mines and mineral resources. IT. S. GEOLOGICAL SURVEY BULLETIN 760 PLATE I Shinarump cong. ^:iji±-'j^Bk S H§^:{-:: Chinle fbrm. Bttpoenkopi form i A. VERMILION CLIFFS FROM LEES FERRY. View down Colorado River at head of Marble Canyon. Platform of Kaibab limestone is surmounted by the Shinarump cliffs, and these in turn by the great Vermilion Cliffs. Pedestal rocks of Plates I, A, and II, B, at the locality marked P. •. B. PEDESTAL ROCK. Block of Shinarump conglomerate on a pedestal of Moenkopi shale. Note the details of erosion in the cliif of Moenkopi formation in the background, the abrupt break in slope to the pedi- ment developed on similar material in the foreground, and the small number of blocks at the foot of the cliff. The block of the pedestal rock is marked with stains from the film of water which covers it in whole or in part during Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Marius R. (Marius Robinson), 1858-1940; Geological Survey (U. S. ). Washington [D. C. ] : U. S. Govt. Print. Off.
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