 | | Report (volume) | | Bulletin 681 THE OXIDIZED ZINC ORES OF LEADVILLE COLORADO BY G. F. LOUGHLIN WASHINGTON GOVERNMENT PRINTING.................................................. Iron oxides.............................................................................. 54 Carbonate Hill ore bodies.................................................. 61 Relations to oxidized iron and manganiferous iron ores .................. 64 Vertical distribution...clay; D, E, Aragonite filling cavities in brown iron oxide.......................................... |  | | Report (issue) | | Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATESĀ· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale...Ashcroft districts ____________________ -Ā·-____ Lake County__________________________________________________ |  | | Report (issue) | | ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G. F. LOUGIILIN...High terrace gravel_ 15 Low terrace gravel_ _ 17 "Lake beds"_ 17 Character and distribu17 tion _ Deformation...fault _ 88 56 011ie Reed pipe_ Iron-Mikado group_ 88 57 Josie pipe _ 89 Iron fault _ 58 Eureka pipe_ Mikado..._94 61 Mike anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito...syncline_ Faults southeast_ of _ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along |  | | Book (edition) | | Enlarged and Entirely Reset Fourth Impression McGRAW-HILL BOOK COMPANY, Inc. NEW YORK: 370 SEVENTH AVENUE...4 ? tj Copyright, 1913, 1919, by the McGraw-Hill Book Company, Inc. ā¢ PRINTED IN Till. I Mil...ores mentāCopperāLead and zinc ā Gold and ā Price Iron ā CopperāLead ā Zinc āSilverā Gold āTin, metalsā...rocks ā Acid sulphate waters in igneous rocks ā Mine waters of sulphate type āSodium carbonate waters...sulphide deposits Sedimentary iron ores Limonites in swamps and lakes (bog iron ores) Occurrence Composition |  | | Book (edition) | | sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...Albuquerque, NM of Leadville a map of Territorial Colorado c. 1876, and a woodcut engraving Birdās Eye View...scock G. York, Includes indexes. 1. Colorado. 2. Colorado. is Waele. Mines and mineral resources--...DressOne. MEXIC ies 35 Publisherās Preface Colorado! The very name (which means āācolored redāā) conjures.... including people. Ah, yes! Call it Colorful Colorado, the Centennial State, the Midland Empire, the | | | Book (edition) | | org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES...r^HIS volume, as its name implies, is devoted to Colorado. Its conĀ¬ tents are descriptive, statistical... of useful and general information concerning Colorado, and trusts this book will meet the present requirements...DenverāPueblo. 33-42 Colorado SpringsāManiton... 33-42 Union Pacific Railway System. 42 Colorado Central and Kansas...Health and Pleasure Resorts of Central and Southern Colorado. 46-53 Grand Canon of the Arkansas...49 and 112 |  | | Book | | calsādaa Weceis tye x SyeehaĀ« oh oo THE LAKE SUPERIOR TYPE 9 OF IRON-ORE DEPOSITS........ C. K. Leith...Leith.. description of ores of the Lake Superior pre-Cambrian BedimentanyalcOrwel OFlatlOns mies ve eelsā...eelsā aiclertterscusiers stele Kinds-of rocks in the iron formations. .......0%..00....00%+ Covaaholenineye...atte: 6 v1.e+e nlcatsĀ« Origin of the ores of the Lake Superior pre-Cambrian sedimentary ATOM ONM At ONS... 2c es Aso cey esse 7 67 Effect of variation of iron content in original rock on secondary concentration |  | | Report (issue) | | GEOLOGY A :\ D MINING I NDUST RY F LEADVILLE, COLORADO \VITH TLAS BY ,A I EL FRANKL! W ~ Il\10 ...the Geology and Mining Industry of Leadville, Colorado. To yourself, and to the Hon. Clarence King, under...orps was in rea,.ed b the addition of Mr. vV. F. Hill ebrand, who had alr ady di tingu ished him elf b...underground working" of the maps of Iron, Carbonate, and Fryer Hill w re pr pared under my dir c- X ...rteou treatment from mine owner and uperintendents, who not only opened their mine freely to our in pect |  | | Journal (volume) | | ahead of any thing yet found on this ridge. This mine has also been explored and equipped in a very superior...City, Sierra county, to be thankful for a good deal. The telegraph for the Bald Mountain mine maintains...25Ā° below. ing region, the mountains being full of iron, On our coast on that date (Wednesday), in copper...other part of the country: On the Forest Hill divide, Placer county, where A remarkably good sample of a...the town of Forest South Co. extracted from Sunny Hill. The their claim, last year, $98,000 in gold dust |  | | Journal (volume) | | on economic subjects, with the greatest number on mine equipment, methods, and operations. 2. Nine papers...Equipment and Operation of the Blueberry Mine, Marquette Iron District. By R.S. Arcurmstp and L: S$: Caanot........... Slot System of Mining at Golden Queen Mine, Mojave, California. A. Kumxkn. (With discussion)...Wie By N.0. : . 84 Mining Practice at ae Bell Mine eton I Nine By erent: M. Be eros (With discussion)...GUETOWERIOIN!), Use 5 5 5 Power Loading on the Colorado River Aqueduct. A Successful Dragline Dredge. |
|
