 | | Book |
| MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |
 | | Report (volume) |
| 4=78 GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO BY JOHN DUER IRVING AND HOWLAND BANCROFT WASHINGTON................................ Tetrahedrite-rhodochrosite group........................... Quartz-galena-sphalerite........................................ 53 Rhodochrosite................................'......... 53................................................. Silver Chord............................................... Ute and Ulay mine.......................'................. Hidden Treasure mine................. |
 | | 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..._________________ _ Pikes Peak granite _____________________ _ Silver Plume granite ___________________ _ Pegmatites...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39...disseminations_ Cotopaxi mine _____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property |
 | | Journal (article/letter/editorial) |
| Amcnnpijiite: In the Emery Mining district (Powell County) the mineral is found in wellformed crystals in...Mining district near Jardine (Park County). At the Kennebec mine in the Crevasse Mountain district (see...encountered in the Jardine mine (see above). Noteworthy is the No. 1 vein of the mine on Mineral Hill. It is...the Crevasse Mountain district near Jardine (Park County) on the Vindicator claim, one-half inch tabular...Hog Heaven Mining district (Flathead County) at the Flathead Mine, pale yellowish to colorless tabular |
 | | Report (volume) |
| ______.._.....________-__-__-.___-_-----------_-__ Area and field work.__-.-.________-___-__-___.-_----..._______________________________________________ Stemple area.______--_-_-_--____-_--__.______-__-_-______--._...Helena.____________-_--____-_-_-_-_-_-_---_-.__ Area and accessibility_________-_________-___-___---_-----___...311 ILLUSTRATIONS Page PLATE 1. 2. 3. 4. 5. Area of the Boulder batholith and traces of overthrust...Jay Gould mine and mill..._____________ 76 9. Quartz and lamellar calcite ore, Jay Gould mine.-._________ |
 | | Book (volume) |
| ...................................... 161 The Silver Boom ............................................................... 183 Reports from the Acton Silver Mines and Other Districts .......................Extracts from a Diary Concerning Mining at the Dunton Mine, Newry, Maine ....................................Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research |
 | | Report (issue) |
| the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...____ Pikes Peak(?) granite- __________________ Silver Plume(?) granite__ _______ _________ Quartz-mica...shear zones on Finnback Knob. Faults near Hilltop mine _________________ Faults of the southern section...____ _______ Bowden and related faults in the Ibex mine. Classes and ages of faults. ___________________ |
 | | Report (issue) |
| imply endorsement by the U.S. Government. Denver, Colorado 2Menlo Park, California 1996 NONTECHNICAL EXECUTIVE... * Gold was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since...since then the Forest has produced gold, silver, copper, lead, zinc, molybdenum, and phosphate minerals. *...SUMMARY CHAPTER A. The Helena National Forest study area by R.G. Tysdal and Steve Ludington Introduction...Geologic setting of the Helena National Forest study area by R.G. Tysdal Geologic mapping Regional geologic |
 | | Report (issue) |
| Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...are paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in...cemented or veined with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion,...Regional geologic and tectonic setting of the central Colorado mineral belt . . . . Alan R. Wallace Paleozoic |
 | | Report (issue) |
| ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G. F. LOUGIILIN...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...Gray porphyry _ Area west of Pendery fault group_ 97 63 Major faults and fissures_ 63 Area between Pendery...faults _ 102 Area between Mikado and Iron faults__ _ _ Previous descriptions_ 65 •66 Area bounded by Iron...103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_ tunnel and its Area between Mike |
 | | Report (issue) |
| GOLD AND SILVER. THE AURIFEROUS GRAVELS OF THE TRINITY RIVER BASIN, CALIFORNIA. By J. S. DILLER. INTRODUCTION...ever since. Besides the La Grange mine, the largest hydraulic mine now in active operation, it contains...mines, particularly in the northern portion of the county. Large bodies of gravel of lower grade yet remain... Murphy, of the Union Hill mine; Mr. Pierre Bouery, of the La Grange mine; Mr. W. D. Ayers, of Poker...Globe mine; but more particularly to Mr. H. L. Lowden, formerly county surveyor of Trinity County, who |
 | | Report (volume) |
| values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera. The Corporation...California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens...considered to be working the public and not the mine. Many suspicious promotions are however not positively...Uranium, Vanadium Selenium :— Occurence and Uses Silver :— Prices, Production Steel Tin: — Occurrence, |
 | | Report (volume) |
| values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera. The Corporation...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp...all the metals, and a corresponding expansion of mine work. The MINES HANDBOOK will hereafter be published...Tuckahoe, N. Y., April, 1920. Vll THE MINES MINE HOISTS HANDBOOK AND Years of experience in building |
 | | Journal (volume) |
| 161 Science and industry. Allen, A. moving from mine-hoists Signaling Allen, C. A 232 cages 645 Allis-Chalmers...book review Assaying methods at the Globe & Phoenix mine 4 51 H. R. Edmands. 108 Association of Accountants.... . 166 473 Co., mill Henry Hanson .... 793 Mine and mill A. B. Parsons. . . . 619, 659 399...Black.... Selection and treatment of Concerning silver. Benedict, W. deL Benguet Consolidated, milling...under reduced pressure M. G. F. Siihnlein. Bolivian silver-tin ores .M. W. von Bernewitz. ... Books written |
Silver Wave mine, Montezuma Area, Summit County, Colorado, USA