Geological Survey Professional Paper 132—A Rock Formations in the Colorado Plateau of Southeastern Utah and Northern Arizona

Cover

Nature and purpose of investigation

Previous work

Topography

Sedimentary rocks

General features
Carboniferous system
   Goodridge formation
   Supai (?) formation
   Coconino sandstone
   Kaibab limestone
Erosion interval
Triassic system
   Moenkopi formation
   Shinarump conglomerate
   Chinle formation
Jurassic system
   General features
   Wingate sandstone
   Todilto (?) formation
   Navajo sandstone
   Gypsiferous shales and sandstones
   Varicolored sandstones and shales
McElmo formation (Cretaceous?)
Cretaceous system
   Dakota (?) sandstone
   "Tununk shale"
   Tununk sandstone
   "Blue Gate shale"
   Blue Gate sandstone
   "Masuk shale"
   Masuk sandstone
Tertiary system
Local sections

PLATE

I. Generalized columnar sections of the Paleozoic and Mesozoic rocks of northern Arizona and south eastern Utah

II. Generalized columnar sections of the Paleozoic and Mesozoic rocks of southeastern Utah

III. A, View looking down San Juan Canyon, Utah, at a point 9 miles by stream above Honaker trail; B, View looking down Green River toward its junction with Colorado River, Utah; C, View in Cataract Canyon of the Colorado, Utah

IV. A, View looking down San Juan Canyon, Utah, at a point between Clay Hill Crossing and the mouth of Moonlight Creek; B, View near Colorado River 2 miles below mouth of Trachyte Creek, Utah; C, View looking down San Juan Canyon at the mouth of Slickhorn Gulch, Utah

V. A, View looking southwest down head of Marble Canyon from point near Lees Ferry, Ariz.; B, View looking up Colorado River from a high point near the mouth of Crescent Creek, Utah; C, Erosion remnants standing on platform of Coconino sandstone near mouth of Fremont River, Utah

VI. A, View looking up San Juan Canyon from point near mouth of Clay Gulch, Utah; B, View looking west toward high mesa at Clay Hill Crossing on San Juan River, Utah

VII. A, Castle Butte, near mouth of Red Canyon, Utah; B, View looking north across Colorado River at Lees Ferry, Ariz

VIII. A, View looking northwest up Colorado River toward proposed dam site near Lees Ferry, Ariz.; B, View from point half a mile south of Spencer Camp looking south down San Juan Canyon toward Navajo Mountain, Utah

IX. A, View looking northeast toward Wilson Mesa from point on Wilson Creek near San Juan Canyon, Utah; B, View looking across Colorado River opposite Smith's Fork, Utah; C, Sheer cliff of Navajo sandstone at Warm Spring Creek on Colorado River, Utah

X. A, View of Waterpocket Fold and Cretaceous plateaus between the Circle Cliffs and the Henry Mountains, Utah; B, Sketch of the country between the Circle Cliffs and the Henry Mountains, Utah, showing the surface distribution of the rock formations

FIGURE

1. Index map of parts of Utah and Arizona showing location of columnar sections given in Plates I and II (PDF format)

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Shorter contributions in general geology, 1923
(Pages 1-23)
Published July 27, 1923

DEPARTMENT OF THE INTERIOR
HUBERT WORK, Secretary

GEOLOGICAL SURVEY
GEORGE OTIS SMITH, Director

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