 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | | Journal (article/letter/editorial) | | Figure 16 Figure 16. An exceptional group of copper crystals recovered from a large vug in the fissure...is 3.6 cm long and perched on a matrix of spongy copper. It was originally in the J. T. Reeder collection...the formation of tabular deposits of fissure vein copper in the thin underlying lava flows. Mineralization...mining venture at the Hays exploration site near Copper Harbor, the Pittsburgh and Boston Mining Company turned...its attention to the tract it had acquired in the Eagle River area. In November 1844, Hays and some companions |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised âą by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3âRecent...Michiganâs Copper Country Eleventh in a series of articles on the mines and minerals of Michiganâs Copper Country...storms, exposing calcite/quartz veins in the Copper Harbor Conglomerate. Authorâs photo. TOM ROSEMEYER...minor and major, continue to be made in Michiganâs Copper Country. The May/June 1998 and the November/December...years have passed since the last âNews from the Keweenawâ; this article updates new finds to the spring |  | | Journal (issue) | | MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA âą Tel: +1 949 494 5155 âą Email: info@kristalle.com...gemgypsy@bellsouth.net JANUARYâFEBRUARY 2023 Articles Copper Country II Introduction..............................................3 by W. E. Wilson The Keweenaw County Fissure Mines.................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan...................................... |  | | Journal (issue) | | with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...of Donald Pearce (1941-1989) The âCopper Kingâ The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...COVER: Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard...Burbank) wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. |  | | Report (issue) | | filling from a basaltic Houghton County lava flow. Small specks of native copper occur as inclusions near the...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Journal (issue) | | 132 A MINERALOGICAL TRIP THROUGH THE M ICH IGAN COPPER COUNTRY. By Kiril Spi roff . . . . . . . . . ....in the copper region of Keweenaw Peninsula, Mich., where is occurs in veins with native copper. Quite...often prehnite may inc!ude strings or grains of the copper and even silver. Prehnite also occurs in crystalline...MICHICAN COPPER COUNTRY By KIRIL SPIROFF Michigan College of Mining and Technology The Michigan Copper Country...only large deposit of native copper in the world ; the purity of the copper is such that it cannot be improved |  | | Book (volume) | | production of minerals, principally Gold, Silver, Copper, Iron, Lead, Manganese and Zinc, along with lesser...beds, excavations, etc.ïŸSelenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...ïŸgray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...etc.ïŸpetrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: ï area ridges, slopes, stream beds, etc...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles |  | Cornwall, H.R., Runner, J.J., Stromquist, A.A., Swanson, R.W., White, W.S. (1949) Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan. Open-File Report Vol. 1949 (50-4) US Geological Survey doi:10.3133/ofr504 | Report (issue) | | maps of recently active copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J...... 16 Structure, 17 17 18 Distribution of copper > Kearsarge lode, 19 19 Stratigraphy, .. 19...Kearsarge lode copper,.*»...................... 33 The Houghton conglomerate........................... . ' ' Distribution of copper*«...._................,.. 26 ->- Quincy mine............................... < Distribution of copper......................... 30 ftipley adit ... |  | | Report (volume) | | :............................................. Michigan.................................................especial interest or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Report (volume) | | especial interest or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list...Mathews, Johns Hopkins University, Baltimore. Michigan..........Mr. R. A. Smith, Lansing. Dr. A. C. Lane...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson |  | | Book | | was wind-lain and reworked by streams. Single ash falls, up to 8 meters thick, are found. The formation...ago, which is near the end of the period of ash falls (Hay, 1963a). In low-silica tuffs or pyroclastics...~.... _ LIN,E ALKALI E LAKES Volcanic ash that falls into saline, a kaline akes (containing sodium and...pH of the water in the lake (Fig. 2). Ash that falls ,on the shore of the lake is not alt1ered. Ne,ar...to low-temperature zeolites as the temperature falls from 2000 to 400 C. Zones of zeolites within a flow | | | Book | | was wind-lain and reworked by streams. Single ash falls, up to 8 meters thick, are found. The formation...ago, which is near the end of the period of ash falls (Hay, 1963a). In low-silica tuffs or pyroclastics...~.... _ LIN,E ALKALI E LAKES Volcanic ash that falls into saline, a kaline akes (containing sodium and...pH of the water in the lake (Fig. 2). Ash that falls ,on the shore of the lake is not alt1ered. Ne,ar...to low-temperature zeolites as the temperature falls from 2000 to 400 C. Zones of zeolites within a flow |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rareâŻDiamond. CLINTON COUNTY WILMINGTON, area of Toddâs...Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Mill Creek and Tuscarawas, as hard dark gray to black nodulesâŻflint. CUYAHOGA COUNTY CHAGRIN FALLS (on...Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay, as clusters |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rareâŻDiamond. CLINTON COUNTY WILMINGTON, area of Toddâs...Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Mill Creek and Tuscarawas, as hard dark gray to black nodulesâŻflint. CUYAHOGA COUNTY CHAGRIN FALLS (on...Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE, area Co. exposures of blue clay, as clusters |  | | Report (issue) | | Encampment district, which yielded a fair amount of copper ore from 1898 to 1908, and the South Pass district...workings the examination was hindered by water, falls of rock, and bad air, and in the higher prospects...Eiver, about 38 miles southwest of Meeteetse, Park County, Wyo. During the summer weekly mail service is...River on the southwest from the tributaries of Owl Creek and Greybull River on the northeast. This flat-topped...though marked in places by iron oxide stains and copper carbonates, especially malachite. The walls, as |  | | Report (volume) | | Chief Mining District, eastern Chief Range, Lincoln County, Nevada, by Peter D. Rowley, Lawrence W. Snee,...Audio-magneto-telluric investigation at Turkey Creek caldera, Chiricahua Mountains, southeastern Arizona...amounts of zinc, copper, and cobalt. The dominance of lead over zinc and the abundance of copper and cobalt... 1983). Yet this suite of metals, particularly copper and cobalt, is commonly associated with rift/red-bed...(fig. 10). In the underlying Lamotte Sandstone, copper and tin sulfide minerals, probably stannite, precipitated |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of todayâs 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...kinds. As early raw nuggets of metallic gold and copper, the elemental minerals, were being hammered into...particularly copper and later iron, could be extracted by various techniques of smelting. The copper, zinc |  | | Journal (article/letter/editorial) | | MINERALIZATION AT THE IMA MINE, BLUE WING DISTRICT, LEMHI COUNTY, IDAHO ALFRED L. ANDERSON Cornell University, Ithaca...studies on numerous specimens of hydrated basic copper arsenates yield the following data: Tyrolite: orthorhombic;...limestone quarry at the Chattanooga Airport, Hamilton County, Tennessee. Similar bioherms, although less well...part of the "Monroe Beds", a term first used in Michigan by A. C. Lane in 1893. In 1895, Lane defined the...Somewhat later, Lane recognized the presence in Michigan of the Sylvania sandstone named by Orton in 1888 |  | | Book | | Bagby US Geological Survey, Menlo Park, California, USA William Bagby received a Ph.D. in Earth Science from...His mining industry experience includes porphyry copper exploration, geologic evaluation of volcanic-hosted...Berger US Geological Survey, Spokane, Washington, USA Byron Berger has been involved in exploration for...mineral exploration industry, most recently with Kidd Creek Mines Ltd., and in government research. Dr Coker...University. In his early years, he worked for Sheep Creek Mines, Union Corporation, the South African Department |  | | Report (volume) | | 5 in., inch or inches. Circ., Circular. Co., County or Company. Indus., Industrial. Inst., Institute...Conf. Guidebook, pp. 94, 96). [See under Bachelor Creek is. On p. 21 Aarde sh. is described as consisting...containing Nodaway coal. The underlying Bachelor Creek Is. also interfingers in Severy sh., he stated....Geol. Surv. Bull. 22, pp. 39, 205-207). Bachelor Creek ls. is basal memb. of Howard Is. in southern Kans...porphyry. Is well exposed at many places along Aaron's Creek [Person and Granville Counties, N. C.]. Assigned |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | This deposit type consists of quartz-adularia. and quartz-adularia-carbonate veins with a wide variety...carbonate minerals, barite, fluorite, sericite, adularia, and clay minerals. Gangue minerals are mainly...cristobalite, fluorite, tridymite, opal, chalcedony, adularia and zeolites. The associated wall-rock alteration...bornite, chalcopyrite, chalcocite, pyrite and native copper. These minerals occur both in the matrix of. and... chlorite, tourmaline, calcite, fluorite, and adularia. Carbonatite-related To, Nb, REE stockwork and |  | | Report (volume) | | BUIJLETIN 528 GEOLOGY AND ORE DEPOSITS 1 OF LEMHI COUNTY, IDAHO BY JOSEPH B. UMPLEBY WASHINGTON GOVERNMENT................................................. Copper deposits................................................................ 74 Mineralogy of Lemhi County ores....................................... 74...in Lemhi County.......................................... Mining districts of Lemhi County.............96 98 0 CONTENTS. Mining districts of Lemhi County Continued. Page. Texas district Continued. Mines |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...York ~dmiralty Island, Alaska: Wright (C W), 06a Adularia: Winchell (N H), 99h Afton craters, N. Me.'{.:...Holbrook, 51; Kedzie, 77 Agriochoerus: Wortman, 95 &jo copper district, Ariz.: Joralemon, U Alabama. Benton Co... Blount Co.: Gibson, 91 Coosa Valley: Anon, 01 Copper: Brewer, 97e; Lieber, 55; Weed, 11 Dolomite, Birmingham...Franklin Co.: Brush, 69b Leighton: Farrington, 02 Lime Creek, Claiborne: Cohen, 92 Selma: Hovey, 07d; Merrill |
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