 | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | SomeCopperSulfideDeposits Near Mount Bohemia,KeweenawCounty, Michigan JAMESM. ROBERTSON Abstract Coppersulfides,in...basal part of the NonesuchShale at White Pine, Michigan, the sulfidesof the Lake Superior Copper especially...geologyof the KeweenawPeninsulahasbeen Mount Bohemia, Michigan. Although primarily a comprehensively describedby...flows. Ranging in thicknessfrom about 400 with a hematite-rich,oxidizing environmentdevel- to more than...gabbro-granophyre complexnear Mellen, Wisconsin. In Michigan, Keweenawanrocks contain a few smallintrusivebodiesof |  | | Report (issue) | | GEOLOGY OF THE CENTRAL PART OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Carl E. Button Prepared with...cooperation of the Geological Survey ]>ivision Michigan Department of Conservation UNITED STATES DEPARTMENT... GEOLOGY OF THE CENTRAL PART OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Carl E. Dutton CONTENTS Page................ Footwall strata.................. Iron-formation.................. Hanging-wall strata...in the south-central part of Iron River district, Iron County, Michigan............................. |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Green Valley, AZ Donald R. Peacor University of Michigan Ann Arbor, MI Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton, Michigan Correspondents Dudley Blauwet Louisville, Colorado...showing early mining methods, a case of antique mine lamps, worldwide uranium and rare earth ores, gold... e tem er cto er Calcite, 24.1 cm, Verchniy mine, Dalnegorsk, Russia. Jeff Scovil photo. Famous |  | | Journal (article/letter/editorial) | | MARCH 1951 IRON FORMATION AND ASSOCIATED ROCKS IN THE IRON RIVER DISTRICT, MICHIGAN By HAROLD L. JAMES...JAMES ABSTRACT The iron formation of the Iron River district is part of a Precambrian sequence of strata...strata characterized by a high iron content and varied mineralogy. The iron formation, where unoxidized...20 per cent iron in the form of very finely disseminated pyrite. Graywacke overlies the iron formation...consists of clastic grains in a matrix of siderite or iron-rich chlorite. Above the graywacke is a magnetic |  | | Book (edition) | | Corporate Drive, Suite 400, Burlington MA 01803, USA First published 1962 Second edition 1970 Third edition...Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international collaboration...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary...0–40 40 40–2891 2851 Liquid iron outer core 2891–5150 2259 Solid iron inner core 5150–6370 1220...from mafic minerals, those rich in magnesium and iron, to those rich in silica – the felsic minerals, |  | | Journal (article/letter/editorial) | | March/April: Millerite on dolomite, Leadwood, St. Francois County, Missouri. Glenn Williams specimen, Terry Huizing...May/June: Elbaite on quartz, Himalaya mine, Mesa Grande, San Diego County, California. Wayne Sorensen specimen...photo. July/August: Barite, Black Cloud mine, Leadville, Lake County, Colorado. Dave Bunk specimen, Jeff...Rainer Bode photo. NovembedDecember: Hematite, Montreal mine, Iron County, Wisconsin. F. John Barlow specimen...Millington Quarry, Somerset County, New Jersey, 320-24 Beryl, California, 175 Beta-uranophane, California |  | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Amethyst Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL...Amethyst Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY,...Amethyst vein system, San Juan Mountains, Mineral County, Colorado / by Nora K. Foley . . . [et al.]. p...ores—Geology—Colorado—Mineral County. 2. Ore deposits—Colorado—Mineral County. I. Foley, N.K. II. Series................................................ Hematite.............................................. |  | | Report (issue) | | ... . . . . • . . .• 3- 4 4 4,- 6 Shinkolobwe mine, Belgian Cangp . , . . . • Vein deposits in the...la containing, in decreasing order of abundance, iron, copper, cobalt, lead, silver, nickel, and bismuth...tourmaline and hydrocarbons. Of these, crystalline beta quartz, calcite, and dolomite are clearly the most...silicification. Shinkolobwe mine, Belgian Congo. The primary vein deposits in the Shinkolobwe mine of the Belgian...an radioactive ores, Michigan College of Mining and Technology, Houghton, Michigan, May 6, 1949, pp. 10-11 |  | | Journal (article/letter/editorial) | | 1890-1908. He was a member of Phi Beta Kappa, Sigma Xi, and Beta Theta Pi. Dr. Bayley had the exceptional...that the schists at the Falls of the Menominee River were derived from "acidic and basic eruptives."...joint authorship with Van Hise on the Marquette Iron Range which was published as United, States Geological...preparation ol Monograph 36 on the Crystal Falls iron-bearing district. From 1895 to 1902 Dr. Bayiey was...Raritan Folios. Later he made a detailed report on the iron mines of the state for the New Jersey State Geological |  | | Report (issue) | | and Ore Deposits of the Iron River-Crystal Falls District, Iron County Michigan GEOLOGICAL SURVEY PROFESSIONAL...the Michigan Department of Conservation PAPER 570 Geology and Ore Deposits of the Iron River-Crystal...River-Crystal Falls District, Iron County Michigan By H. L. JAMES, C. E. BUTTON, F. J. PETTIJOHN, and K. L. WIER...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT...__^____-__________________________ Greenstone in the Brule River area ___________ Saunders Formation ______________________ |  | | Book | | mineral of the state was not established until 1863. Iron ore was reported in the Highlands of southeastern...searching for silver near Lake Sanford in Essex County discovered magnetite in 1826, but an excess of...economic use of the ore in making iron. The development of the many iron mines as well as other mines and...Rochester; the main Public Library of Buffalo and Erie County; and the Crandall Public Library (Holden Research...ciifce—Westchester County.................. Tne McLear pegmatite—5t. Lawrence County.................. |  | | Journal (issue) | | MARCH-APRIL 2021 Articles The Dragon's Lair gold, Beta Hunt mine, Western Australia ..........................Lair" specimen), 49.5 cm (over 49 kg), from the Beta Hunt mine, Western Australia. Photo by Robert Mosely...$324/ three years, (Canada) $196/ one year, (outside USA other than Canada) $275 for one year Subscription...Forrest was born April 21, 1932 in Willits, Mendocino County, California, the son of Helen and Forrest E. Cureton...2007 he was a full-time volunteer at the Empire Mine State Historic Park in Grass Valley, California |  | | Journal (article/letter/editorial) | | ancient prase mine that had been worked by the Indians many centuries ago. This ancient mine is now known...Eureka Mining District in Yavapai County, Arizona. From this old mine we have a number of gem quality prase... Jarosite is a soft yellow substance containing iron, potassium and sulphur. It often clings to deposits...the Blue Creek Mt. Mine, Del Norte County, Calif., which I own. The ore of my mine is very unusual because...Fancher, P. O. Box 63, Ouray, Colo. "At the Brooklyn Mine near Silverton (San Juan Co.), Colo., Frank Richardson |  | | Journal (article/letter/editorial) | | resulted in the oxidation of iron sulfide minerals, the formation of secondary iron minerals characteristic...al., 2006; Lamontagne et al., 2006). A range of iron sulfide minerals have been observed in the sediments...2011.08.019 results in the formation of secondary iron minerals (FeIII (oxyhydr)oxides) and can cause severe...et al., 2002). Secondary iron minerals in acid sulfate soils and acid mine sediments are important due...determining the mineralogy of the final product in iron sulfide oxidation are pH and SO24 concentration in |  | | Journal (issue) | | Gold Mines Middle Buttes Volcanic Complex Kern County, California Allan R. Blaske allan.blaske@gmail...volcanic complex is located in southeastern Kern County, approximately 9 miles southwest of the town of...area along US-6 between Spanish Fork and Price, UT. Mine dumps can be seen from the highway on the north...the Pleasant Valley Coal Company's Winter Quarters mine (famous for an explosion on May I", 1900, that killed...mineral species from the Middle Buttes/Cactus Gold Mine. Scorodite from the Shumake deposit was described |  | | Journal (article/letter/editorial) | | colorless or milky quartz crystals on hematite from the Cleator Moor iron mines, Cumberland, England.* Similar...locality (fig. 1), also within the West Cumberland iron-mining district. At one time such specimens occurred...labeled crystals displaying the Cumberland habit as “beta” quartz, which they most certainly are not! Crystals...habit, which is alpha, or lowtemperature, quartz. Beta, or high-temperature, quartz is quite rare (fig...and beta quartz paramorphs. 196 ROCKS & MINERALS the Cumberland habit, from the Florence mine, Egremont | | | Book | | mineral of the state was not established until 1863. Iron ore was reported in the Highlands of southeastern...searching for silver near Lake Sanford in Essex County discovered magnetite in 1826, but an excess of...economic use of the ore in making iron. The development of the many iron mines as well as other mines and...Rochester; the main Public Library of Buffalo and Erie County; and the Crandall Public Library (Holden Research...pegmatite-Westchester County .......... . The Mclear pegmatite-St. Lawrence County .......... . Minerals |  | | Journal (issue) | | Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS Field Notes .............................18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL... www.PrescottGemMineral.org ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...smaller specimens were discovered near Globe, Gila County, Arizona, during a careful search that lasted about...waterworn or rounded, as they have not traveled down a river. The trio of spectacular silver boulders was on |  | | Report (volume) | | Goodrich Quartzite, Palmer Area Marquette County j Michigan 3 GEOLOGICAL SURVEY BULLETIN This report...Goodrich Quartzite, Palmer Area Marquette County Michigan By R. C. VICKERS CONTRIBUTIONS TO THE GEOLOGY...slate_______________________________________________ Negaunee iron-formation._________________________________ Goodrich...PLATE 9. Geologic map of the Palmer area, Marquette County, Mich_ _ In pocket 10. Geologic cross section through...part of sec. 29, T. 47 N., R. 26 W., Marquette County, showing gamma-ray logs of drill holes in Goodrich |  | | Journal (article/letter/editorial) | | Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens...pseudomorphs after beta-quartz compositional ranges of chalcocite and djurleite Beta-quartz-beta is a high temperature |  | | Journal (volume) | | some Microminerals from the Ohio pit, Baraga County, Michigan Al Falster 920 McIntosh Wausau, Wl 54401 ... i The Ohio pit in Baraga County, Michigan, is an old open-pit iron mine. In vugs and cavities of the...minerals can be collected. Due to the fact that the mine has been abandoned for several years, the lower...commonly forms rosettes of shiny black crystals. Hematite also occurs as replacing agent of magnetite (martite)...goethitic iron formation. Crystals not responding to the magnet are evidently replaced by hematite (see above) |  | | Journal (article/letter/editorial) | | AMYGDULE MINERAL SERIES, RICHARD E. ZONING IN MICHIGAN STOIBER THE COPPER AND EDWARD PORTAGE DISTRICT...of the Michigan copper district ......................... Mineralogyof amygdaloidalrock on mine dumps...Portage Lake lava seriesof the KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite...was obtained extendsfrom Victoria,Ontonagon County,Michigan,northeast to the end of theKeweenaw Peninsula...x x x x x x • X x X .... •---o x x x iron .• x Mountaim X X X x x x x x x x x |  | | Journal (article/letter/editorial) | | discussed. hqrnolucrroN geology' Sincethe hydrous iron oxidesare of considerablesignificancein and the...sampleswere taken with iron radiation. rn general, the component of mixtures of iron oxide minerals could...Descriptions of the naturally occurring hydrous iron oxides have resulted in a sizeable list of mineral...posnjak and Merwin (1919) have shown that no seriesof iron oxide hydrates exists,and their results have been...have been ac_ cepted as minerals of the hydrous iron oxides in the 7th Edition of Dana's system of Mineralogy |  | | Book | | Scotland 59 France 62 6 Occurrence: The Americas 63 USA 64 Mexico 72 Panama 75 Brazil 75 Canada 80 7 Occurrence:...given to a well-crystallized variety from Herkimer County, New York, and 'Marmaros diamond' comes from Hungary...bands. The name comes from an occurrence in the river Achates (now the Drillo) in the south-west of Sicily...descriptive (the material is green with red spots of iron oxide resembling blood). Heliotrope, now commonly...attractive twins were found in Brazil at the Piraja mine, Brumado district of Bahia state (the twins are |
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