 | | Report (issue) | | ...................... Characteristics of the Colorado-type (Climax-type) molybdenum deposits readily...... Stratabound Precambrian sulfide deposits, Colorado and southern Wyoming, by D. M. Sheridan and W...P. Ashley............. Model for hydrothermal alunite deposits, R. B. Hall...................... A prospecting...by A. V. Heyl U.S. Geological Survey, Denver, Colorado j Kimberlites are rocks of unusual alkalic ultramafic...found in folded and thrusted areas such as in Pike County, Arkansas. Locally they are found as clusters of |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...regional offices include: Federal Center, Denver 25, Colorado; 345 Middlefield Road, Menlo Park, California;...will help you prospect and explore any state and county. etc., for mineral deposits in Finding Suitable |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite ..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite |  | | Report (issue) | | A253-A258 of this chapter. Numerous Federal, State, county, and municipal agencies and other organizations...Mountains. _________________ Precambrian rocks of Colorado. __________ Paleozoic and Mesozoic stratigraphy...______ Utah _ _--_-----------________________ Colorado ______________________________ Kansas _______...cooperators_-____ ---------_____-____ 209 State, county, and municipal cooperaters__________ 209 Other...silver-gold mining district in northwestern Elko County, has revealed evidence leading to a revision of |
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