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| carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region |
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| ................................... ' 72 Shady Valley.................................................................................. Cartersville district.................................................................................. Cave Spring district....................................................................._..................... 94 West Virginia..........................................Lower Mississippi Valley and Gulf region................................ Batesville district............. |
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| _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...____________________________________________________ 11 Austria._____________________________________________________...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12 |
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| ----------------------------------------------LIMONITE ORES______ ----------------------------------...LaFollette Coal & Iron Company property near Sugar Valley, Gordon County.... ---------------------------------------·...Junction of Conasauga and Jacks River, Alaculsy Valley, Murray· County---------------------------------~--------------...Northwest-southeast section across longitudinal valley near Blue Ridge, Fannin County ... -----------...main part of the report is devoted to brown or limonite ores, as these are the ores that have so far been |
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| one sense it comprises the so-called Rockwood district and may be considered to extend as far southward...under present conditions. Beds dipping uniformly at an angle of 25° would reach a depth of 1,000 feet at...the material a suitable flux for brown ore or limonite. It is characteristic of the Clinton ores of this...in the region. ~ In the following pages is given an outline of the main facts on which are based the...ROCKWOOD DISTRICT. i LOCATION AND EXTENT. The Rockwood district lies in the Tennessee River valley between |
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| MINING JOURNAL TRANSLATOR'S PREFACE. In presenting an English edition of Professor Beck's 'Lehre von den...the publishers to practically rewrite the book from an American standpoint, giving greater . prominence...advisable. For such additions and changes I alone am re- sponsible. , A slight abridgment of the...table of contents and index will, lar metal. am under deep obligation to Mr. Eobert Stein, of the...AUFLAGE Als die Vortrage iiber Lagerstattenlehre an der Kb'niglichen Bergakademie zu Freiberg mir iibertragen |
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| ___________ ____ __ ________ ____ Silver Islet district ___________________ ~_____________________ Cache...district__________ _____________ __ _________________ Rush Valley district_ _ _ _ ___ _______ _ __ __ _______ __..._______________________________ American Fork district (Alta area)___________________________ Alpine...district_____________________________________________ West Tintic district________________________________________...County_________________________________________________ Redmond district __________________________________ _:________ |
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| sturfy of the geol- ogy, ore deposits, andJttines itt an area ofthe Sa watch Range UNITED STATES GOVERNMENT...--- - - - -- -- -- - - -- -- - --- Tincup mining district ________ ------------------Chief economic s.nd...------------------TinCUP----------~--------------------- West Gold Hill ________________________ _ m 35 35 36...Mines and prospects-Continued Quartz Creek mining district ____________________ _ Chief economic and geologic..._____________________________ _ Cil~en ~arnmoth Tomichi mining district ________________________ _ Chief economic and |
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| Garnet. ANGLESITE (sulphate of lead). Tombstone district, Cochise County; Gila County, at Lost Gulch Mine...Bradshaw Mountains; Yuma County, in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite...Montezuma and Empress of India mines, Tyndall district; Yavapai County, in ores of Bradshaw Mountains...and in massive serpentine at a location 20 miles west of Globe. AZURITE (hyrdous carbonate of copper)...County, was abundant at Copper Queen mine, Bisbee district. The finest specimens of Azurite"in many museums |
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| Santa Cruz Valley-________________ __ Cienega Valley_________________________ Babocomari Valley _ _ __ _...districts, camps, and properties Continued. Helvetia district Continued. Helvetia camp Continued. Other pro...Helena mine ______________________________ Empire district-__________ _________________ General features...camps, and properties Continued. Page. Empire district Continued. Davidson Canyon and vicinity___________________...camps, and properties Continued. Page. Old Baldy district Continued. . ' Lode deposits Continued. Madera |
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| PREFACE The barytes deposits of the Cartersville district of Georgia are the most productive in the United...geology and barite deposits of the Cartersville district, Ga.: ·The Tradesman, pp. 35-37, May 22, 1910...in ten days of :field work in the Cartersville district. Georgia continues to lead the states in the production............................... 11-12 Appalachian Valley . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . 17 -1H Oarters·ville district ......................................... 19-125 |
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| __________-___________i___________^_ Barton, Kaiser, -West End,...prospect___-.__-_--_---_---__--.______________ Limonite. ____-__-----___--___-______-___--_____._--______-____..... __________________________________________ Limonite mines-----__----_-_------___--__-_-__.___________...__-_-_____--___-__- --_-_______-__-_--.__ Other limonite mines_-_-__------_-----____--_-_________ Pigments---...Photomicrograph of quartzsericite schist, Fulmer mine, west end of Marble Mountain. __ 2. Polished slab of gneiss |
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| Geology and Ore Deposits of the West Slope of the Mosquito Range By CHARLES H. BEHRE, JR. GEOLOGICAL...235 Includes the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State...Thrusts on Mount Sherman__ _ ___________ Faults on West Sheridan Mountain _______ Faults on Mount Sheridan...Gulch_ _______________________ Faults on western slope of Empire Hill_.__ Faults in the central part of...Comparison with deposits in central Leadville district and elsewhere. ____________________ Description |
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| mountain district are in Cherokee, Madison, and McDowell counties. Those in the Piedmont district are in...marble. Formerly the deposits in the Piedmont district were of considerable commercial importance, but...have been productive. DEPOSITS IN THE MOUNTAIN DISTRICT. CHARACTEB OF ASSOCIATED BOCKS. The rocks associated...and Eckel, E. C., Iron ores of the Cartersville district, Ga.: U. S. Geol. Survey Bull 213, pp. 239-242...relations of the iron ores in the Cartersville district, Ga.: Am. Inst Min. Eng. Trana, vol. 30, pp. 403-419 |
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| ................................... 35 Rincon district .............................................................................. 39 Silver City district.................................................................................... 51 Fierro district ........................................................................ 51 Cap Rock Mountain district ................................................................................. Cooks Range district ............................................. |
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| discussion 43 Commercial possibilities Sherman Valley area Location and general description History of...dressing 71 Economics 73 Other areas in Sherman Valley Reading Banks Location and general description... ILLUSTRATIONS Page Plate 1. Geologic map of the Sherman Valley area Pocket 2. Geologic map and cross section of...Appendix 3. A, Northeast entrance to the Sherman Valley open cut. 4. A, High-grade ore bed in open cut;...of open cut. 5. A, Mauch Chunk shale in Sherman Valley open cut; B, Joints in Mauch Chunk shale. 6. |
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| the southwest corner of the Coeur d'Alene mining district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...the general geology of the Coeur d'Alene mining district, which extends eastward from the quadrangle. The...and simple compared to that of the Coeur d'Alene district. Faults generally are steeply dipping to vertical;...the general geology of the Coeur d'Alene mining district. Stanley E. Good was in charge of the work during...d'Alene district, are different in some respects from those of the greater part of the district. A comprehensive |
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| ................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ........ Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... Gilman (Red Cliff) district, Colorado ...................... Aspen district, Colorado ................................................. Eureka district, Nevada ........................................ |
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| ................................. Alder Gulch district..................................................................... . . Utopia (Birch Creek) district........................................... "Location........................................ Argenta district.................................................Mining districts Continued. . Page. Blue Wing district....................................... '. ........................................ 72 Bannock district.............................................. |
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| __ ___ __ __ __ __ __ _____ Kokomo (Ten ~ile) district _______ ._________________________ Breckenridge...district_______________________________ ~osquito Range district, including some outlying parts of the Leadville..._______________ _____ __ __ ____ ____ __ __ _ 87 Spar district _________________________._ __ ____ __ __ ____...known oxidized zinc deposits in Leadville mining district, Colorado. 3. Oxidized zinc deposits of the Monarch...accessible workings of the Doctor mine, Spring Creek district, Gunnison County, Colorado. 5. Geology of the |
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| GEORGE OTIS SMITH, Director Bulletin 677 GEOLOGY AM) MINERAL DEPOSITS OF THE COLVILLE INDIAN RESERVATION............................ 56 Nespelem (Moses) district............................................. ...Metalliferous deposits Continued. Nespelem (Moses) district Continued. Mines and prospects Continued. Replacement...prospects........................... Park City district................................................. Metalliferous deposits Continued. Park City district Continued. Mines and prospects Continued. Lodes |
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| challenge of revising and further completing my work. I am grateful to the members of the Boston Mineral Club...1987 Route 128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate...from Roxbury south to Brockton and from Braintree west to Needham and Wellesley. BRAINTREE - By most accounts...of Route 128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate... Hilltop sites last year sold at around $600,000 an acre for office-park development, according to professional |
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| upon an investigation made for the purpose of obtaining from the Payson region, or Green Valley mining...mining district, geological data. that might be of interest to mining men, prospectors, and investors. These...Payson, for early historical information upon the district. To Mr. Arthur Boozer, Manager of the Atlantis...electrical power is ever needed' in the PaysOh" district; it could probably be obtained from the Fossil-Creek...PAYSON, ARIZONA GEOLOGIC MAP OF THE: PAYSON DISTRICT, ~ Scale? ARIZ. TMi les 19~4. Quaternar~ |
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| others on any subject, uncreative though it may be, is an essential step in any orderly research. In this instance...mention. This compilation has been in progress as an avocation at intervalssome of them very long-since...galena that had been recently found in the Tenmile district, Summit County. In his booklet, which today would...silver," "ruby silver," "sulphates of copper," "limonite" and others. Few of these notes can be translated...of references at the end of the volume will give an idea of the enormous mass of available knowledge |
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| the Ridge-Valley Type of Topography, in the Cartersville District, Bartow County, Georgia. An Exposure...Cartersville District. Sections S'lowing Structural Geology ot the Cartersville District. Map Showing...the Distribution Manganese Ore in Cartersville District. Section of the Openings on the Blue Ridge Mining...Openings of the Dobbins Mine. Map of the Cave Spring District. Figures Illustrating the Formation of Manganese-breccia...along the North Side of an Opening on the Lowe Tract. Section across Valley Three-fourths Mile South |
