Geology and petrology of the Ute Mountains area, Colorado / by E.B. Ekren and F.N. Houser.

Author/creator Ekren, E. B., 1923-
Other author Houser, F. N. (Frederick Northrop), 1924-
Format Book
Publication InfoWashington : U.S. Govt. Print. Off., 1965.
Description74 pages : illustrations, maps (1 folded color) ; 29 cm.
Subjects

SeriesGeological Survey (U.S.). Professional paper, 481
Geological Survey professional paper ; 481. ^A16492
Contents Abstract -- Introduction -- Geographic setting and accessibility -- Culture -- Topography -- Climate and vegetation -- Purpose and scope of investigation -- Previous work -- Fieldwork and acknowledgments -- Geologic setting -- Stratigraphy of the sedimentary rocks -- Pre-Navajo rocks -- Triassic and Jurassic -- Glen Canyon Group -- Navajo Sandstone -- Jurassic System -- San Rafael Group -- Entrada Sandstone -- Summerville Formation -- Junction Creek Sandstone -- Morrison Formation -- Salt Wash Sandstone Member -- Recapture Shale Member -- Westwater Canyon Sandstone Member -- Brushy Basin Shale Member -- Cretaceous System -- Burro Canyon Formation -- Dakota Sandstone -- Mancos Shale -- Mesaverde Group -- Point Lookout Sandstone -- Quaternary System -- Igneous rocks -- General features and evidence for age of igneous activity -- Relative ages of the intrusive rocks -- Occurrence and petrography -- General features -- Microgabbro -- Diorite porphyry -- Quartz monzonite porphyry -- Lamprophyre -- Inclusions -- Alteration -- Deuteric alteration -- Hydrothermal alteration at Mable Mountain -- Pyritization in the vicinity of igneous contracts -- Hydrothermal (hot-spring) alteration associated with breccia pipes -- Petrology -- Chemical composition of the igneous rocks -- Variation diagrams -- Minor elements -- Variation in the igneous rock series -- Variation of minor elements with rock alteration -- variations in igneous rocks -- Variations in sedimentary rocks adjacent to igneous intrusives -- Origin of the igneous rocks and horblende inclusions -- Structural geology and forms of the igneous bodies -- General features -- Ute dome -- McElmo dome -- Faults -- Intrusive bodies -- Stocks -- Black Mountain stock -- "The Knees" stock -- Ute Peak -- Bysmaliths -- Sentinel Peak -- Marble Mountain -- The "West Toe" -- Laccoliths -- North Ute Peak laccolith -- Horse Mountain laccolith -- East Horse laccolith -- Sundance cluster of laccoliths -- Razorback laccolith -- Last Spring laccolith -- Flat laccolith -- Three Forks laccolith -- Banded laccolith -- The "West Toe" cluster of intrusive bodies -- Mushroom laccolith -- Pack Trail laccolith -- Tongue laccolith -- Yucca cluster of laccoliths -- "The Buttes" laccolith -- North Black Mountain laccolith -- Sills and dikes -- Breccia pipes -- Summary of geologic events -- Economic geology -- Metallic mineral deposits -- Uranium deposits -- Fault-controlled deposits -- Cliff House group of claims -- Three States Natural Gas Co. prospect -- Bedded uranium deposits -- Karla Kay mine -- Coffin's prospect -- Copper deposits -- Battle Rock mine -- Ute Creek dike prospects -- Little Maude mine -- Relation of the metallic mineral deposits to the igneous rocks -- Uranium potential of the Ute Mountains area -- Northern Ute Mountains area -- Southern Ute Mountains area -- Nonmetallic mineral deposits -- Petroleum, natural gas, and carbon dioxide -- Known occurrences -- Oil and gas possibilities of the Ute Mountains area -- Ute dome -- Coal -- Literature cited -- Index.
Subject The petrography, structure, and petrology of a laccolithic mountain range on the Colorado Plateau.
Local noteJoyner- FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9.
General notePart of illustrative matter fold. in pocket.
General notePrepared on behalf of the U.S. Atomic Energy Commission.
Bibliography noteIncludes bibliographical references (pages 69-72).
Issued in other formOnline version: Ekren, E. B. (Einar Bartlett), 1923-. Geology and petrology of the Ute Mountains area, Colorado
Other titleUte Mountains area, Colorado.
LCCNgs 65000247
GPO item number0624
Govt. docs number I 19.16:481

Availability

Library Location Call Number Status Item Actions
Joyner General Stacks QE75 .P9 NO. 480-482 ✔ Available Place Hold