 | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Report (volume) | | Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado GEOLOGICAL SURVEY BULLETIN 1 J82-C t V ...Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado By FRED A. HILDEBRAND and ELWIN L. MOSIER CONTRIBUTIONS...silver ores remain at the surface in this old mining district UNITED STATES GOVERNMENT PRINTING OFFICE,................................................. Mining history .........................................south-central Colorado Map showing principal mining area of Silver Cliff-Rosita mining district and areas |  | | Other Paper | | ^ JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS AND GEOLOGY OCTOBER, 1999...EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS AND GEOLOGY OCTOBER, 1999...Headwaters and Burrows Creek Location Geologic Setting Animas River Headwaters and Burrows Creek Site Descriptions...Chief Mine Early Bird Crosscut Site London Mine Site Ben Butler Mine Prairie Mine Site Red Cloud and Boston...Mine Complex Unknown Prospect in Lower Burrows Creek California Gulch Location Geologic Setting California |  | | Journal (article/letter/editorial) | | several counties. In addition, the TriState zinchead mining area, active for more than one hundred years, extends...as the Picher district, which is in the Oklahoma portion of the TriState. This district has probably produced...excellent. An example is the Arkansas Ouachita quartz crystal belt that extends into southeastern Oklahoma...October 2014 Mineral Index by Counties Alfalfa County Carmen, 2 mi. NE of Carmen, 1 .1 mi. W of Highway...Permian-age Crisfield Sandstone: malachite. Adair County Bunch, near Bunch, secs.l.5, 16, T.14N, R.24E: |  | | Report (issue) | | Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A...________________ _ Quartz-mica schist _____________ _ Quartz-hornblende schist _______ _ Quartz-hornblende gneiss |  | | Report (issue) | | and Grade-Tonnage Information on Low-Sulfide Au-Quartz Veins by James D. Bliss and Gail M. Jones Open-File...mineralogy of deposits classifed as lowsulfide Au-quartz veins were compiled for deposits found throughout...tabulation have characteristics of low-sulfide Au-quartz veins as described in Berger (1986). These deposits...the ore. Sulfides likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger,...in detail. Alteration minerals associated with quartz in these deposits include carbonates (ankerite |  | | Report (issue) | | Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |  | | Book (volume) | | Marcasite, Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT...CLERMONT COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON...Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Hounds in the Untied States townships of Franklin, Keene, Mill Creek and Tuscarawas, as hard dark gray to...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Book (volume) | | Marcasite, Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT...CLERMONT COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON...Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Hounds in the Untied States townships of Franklin, Keene, Mill Creek and Tuscarawas, as hard dark gray to...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Report (issue) | | Eureka and Adjoining Districts San Juan Mountains, Colorado By WILBUR S. BURBANK and ROBERT G. LUEDKE GEOLOGICAL... 535 Prepared in cooperation with the Colorado State Mining Industrial Development Board A study of...hypogene enrichment_ -- __ ----- _--Exploration and mining ____________________________ _ Lake Emma-Ross Basin...Basin area ____________________ _ Cement Creek-Bonita Peak area _____ ---_--------Engineer Mountain area...of the Eureka district and adjoining areas. 3. Geologic sections of the Eureka district and adjoining |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING.................../................:. Methods of mining and treatment of ores....-....--. ...... ............................................. 178 Ben Franklin mine ............... .......',.........-...........--.-..-...-....-.--.......-..-- ...... 185 Ben Butler mine............................................. .................... 188 Lodes of Henson Creek ...................... ......... ..... ........ |  | | Report (edition) | | .... . .. . Adams County .... . .. ... ............... . . ... . Allegheny County .... . ...... . ............ . Armstrong County . . . . . . .. . .... ........ .. . .. . Berks County ..... . ..... ......... ...... . Blair County . . .. . ... ... . . .. . .... ........... . Carbon County ..... ..... .............. . Cl1ester County .... . . . .... ... ........... . .. . Cumberland County ...... . ..... . ....... . . Delaware County ... . .. .... . . . .... . . . .. . . . .. . Fulton County . ...... .. . . . |  | | Report (edition) | | of a thin slice of serpentinite from Lancaster County showing olivine (blue-green and red), serpentine...localities, the Grace mine in Berks County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company...Company quarry in York County, are now This fourth printing is essentially closed to collectors. D...Adams County 23 Allegheny County 31 . Armstrong County Berks County Blair County Carbon County Chester...Chester County Clinton County Cumberland County Dauphin County Delaware County Fulton County Lancaster County |  | | Journal (article/letter/editorial) | | the West Ridge Quarry at Blue Ridge Summit, Adams County. This quarry is of the drive-into type, being quite...malachite specimens occurred as coatings on a milky quartz vein, which was uncovered near the entrance to...clearly visible from the town of Thomasville, York County, which is seven miles west of York on U. S. Route...Steel Co. in Cornwall, ROCKS AND MINERALS Lebanan County. This mine, I must admit, is the biggest hole in...seen. W e were permitted to collea specimens of pyrite and hematite crystals on the dumps. Other minerals |  | | Report (edition) | | chalcopyrite crystals etched calcite, from French Creek mines, (courtesy of John S. White) Back cover:...particular site, remember it is possible to visit the county courthouse in which the site is located, and trace...permitted us to use his historical photos of French Creek. John S. White, Jr. of the Smithsonian Institution...1722. The water was tested copper by Benjamin Franklin. In 1732 Gap mine land was owned by the honorable...23 23 28 Adams County Native copper localities Teeter quarry zeolite Allegheny County Wittmer wurtzite |  | | Report (issue) | | Mendenhall, Director Professional Paper 194 THE GOLD QUARTZ VEINS . OF GRASS VALLEY, CALIFORNIA BY W. D...._ Age ______________________________________ _ Quartz-rich dike rocks _____________ .------------Aplite...History and production _________________________ _ Mining conditions at depth _____________ ________ _ Geothermal...Magnetite-pyrrhotite vein _______ .,:.. _____________ _ Gold quartz veins ______________________________ _ Distribution... Page 1 2 2 3 3 Ore deposits-Continued. Gold quartz veins-Continued. Vein fractures-Continued. Diverging |  | | Report (issue) | | an overall guide been written on gold and gold mining of publications have no single report or to...longer district Hulin, respectively. the principal features of each gold-bearing district are described...publications were written on various phases of gold mining. The reports of John Trosk, the first State Geologist...Mineral prepared reports of mine production and gold-mining Bureau, and later now the California Division...The California Mining in 1880, gold-mining operations; the and Geology and the County a number of |  | | Book (volume) | | corner of Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the...of the Pine Ridge Escarpment and along Whiteclay Creek near the Sioux Indian community of the same name...and breaks in the hills along the Minnechaduza Creek and the Niobrara, as well as all tributary canyons...nodules, fossils, Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence of the Loup...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte |  | | Book | | mountains. W h i l e t h e g r e a t peaks a t Colorado, f o r example, r i s e f r o m a plateau 5,000...streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified wood and other gemstones...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |  | | Journal (issue) | | THE GEOLOGY OF LOWER MILFORD TOWNSHIP, LEHIGH COUNTY, PENN. (Part 3). By Charles W. Brotvn ········............................ 412 FREEDMAN ON BUCK CREEK, N . C. By Charles A . Belz ......................(Richard M. Pearl, Convention Chairman, Colorado College, Colorado Springs, Colo.) 9th Annual Convention...thru Indiana, Illinois ( visited the fluorite district of Cave-Io-Rock and Rosiclare) , Kenturky, Missouri...data place the site of " Opotu" in the present district of Moctezuma, in the Mexican State of Sonora, |  | | Report (issue) | | org/details/reportofstatemin15cali CALIFORNIA STATE MINING BUREAU FERRY BUILDING, SAN FRANCISCO ^LETCHER...Statement xxiii Participation of the California State Mining Bureau in the Panama-Pacific International Exposition...Production General Features I. Alpine County. 5 6 6 , Mining Districts The Mogul and Monitor Districts...Hercules Company 14 23 Silver Mountain District Silver King District Mineral Water Grover's Hot Springs...27 27 27 , , Bibliography Chapter II, Inyo County. Introduction and Acknowledgments Location and |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2016 PICK&PACK Vol 56 ...... Number 6 Inside...led by former Colorado State Geologist, Dr. Vince Matthews. Register through Colorado Mountain College...Anniversary and Expo at the Western Museum of Mining & Industry, Colorado Springs. “Spend some family time exploring...to offer! See operating steam engines, antique mining equipment and a working stamp mill, process real...(Continued on page 2) COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 July |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _..._ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along normal faults, _ _ _ 96...faults _ 74 Carbonate Hill_ Area bounded by Weston, Colorado Prince, 105 Wolf tone mine _ 74 Silent Friend |  | | Journal (issue) | | A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Tucker, Reid J. Mining Engineer District Sampson, Assistant Mining Engineer District Engineer Chas...Chas. V. Averill, District Mining Engineer George John L. Gary, Mineral Technologist F. Bongard, Ore-Buyers'...C. Statistician and Curator O'Brien, Junior Mining Engineer (Librarian) Eldridge D. Drew, Geological...OF CONTENTS Page DISTRICT REPORTS OF MINING ENGINEERS 7 Sacramento Field District 7 San 7 Francisco |  | | Journal (article/letter/editorial) | | particular specimen is an association of graphite, quartz and pyrite each setting the other off by virtue of their...in the marbles of Orange County, New York near Warwick and in Sussex County, New Jersey. There are also...in Colfax County, New Mexico. Graphite is also found in granite and schists in Clay County, Alabama and...and at the Ben Franklin Mine in Chester County, Pennsylvania. One new locality that this writer visited...disseminated flakes and is sometimes associated with pyrite. The host rock is very tough (probably gneiss) |
|
