 | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...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 |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • 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 (issue) | | large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |  | | Journal (article/letter/editorial) | | s o r g e conglornero t e .... @ Quincy mine @ Allouez no. 3 shaft Other detailed sections . I...GEOI.OGIC M A P O F SOME PEGMATITIC LAVA FLOWS, MICHIGAN C O P P E R D I S T R I C T Downloaded from https://pubs...SERIES AND THE ORIGIN OF THE COPPER DEPOSITS OF MICHIGAN By HENRY R. CORNWALL ABSTRACT Five lava flows...flows in the Keweenawan series of the Michigan copper district have been studied and chemical analyses made...LAVAS, MICHIGAN ILLUSTRATIONS Figuie Page 1. Section across the Greenstone flow near the Allouez No. 3 |  | | Journal (article/letter/editorial) | | SomeCopperSulfideDeposits Near Mount Bohemia,KeweenawCounty, Michigan JAMESM. ROBERTSON Abstract Coppersulfides,in...interestingamounts,have recentlybeendiscoveredin the Keweenaw Peninsulaof northernMichigan, a district long...basal part of the NonesuchShale at White Pine, Michigan, the sulfidesof the Lake Superior Copper especially...BOHEMIA more than brief mention of sulfides in the Keweenaw 1203 Geologic Setting Peninsulain his report...geologyof the KeweenawPeninsulahasbeen Mount Bohemia, Michigan. Although primarily a comprehensively describedby |  | | Journal (issue) | | Collector’s Newsletter $6.00 The Majuba Hill Mine, Pershing County, Nevada A Source of Superb Secondary Copper...ch) Introduction Since the 1950’s, the Majuba Hill Mine has been recognized by the mineral collecting community...be observed in the minerals from the Majuba Hill Mine. Spherical aggregates of arthurite crystals from...Evanich photo. History The Majuba Hill Mine, located in Pershing County, Nevada, was first located in 1907... Prospects for production were mediocre and the mine remained relatively idle until 1942 when E.J. Myler |  | | Journal (article/letter/editorial) | | 81427 THE CLIFF MINE, discovered in 1844, is located on the Keweenaw Peninsula of Upper Michigan in the...turned the Cliff into a successful mining operation and made it the first mine on the "Keweenaw" to pay...dividends to stockholders. Throughout its history, the mine also produced spectacular specimens of crystallized...over. N ative copper was first mined on the Keweenaw Peninsula several thousand years ago by Native...controlled three mineral tracts on the northern part of Keweenaw Peninsula. After examining the copper prospect |  | | Catalog/List | | Grii,uritt Fibrous, grayish-green in magnetite; Michigan . . . . . . 96 Hornolende Xis, black, in pink...dark green chlorite pseudomorph after garnet; Michigan, ¾ to 1 •, .25 and .35 Crystals in matrix, 1 x...flawed, .25 per ounce Caesium-bearing, white masses; Mine . a . . . . . . . . . . . 1 13 BERZELIANITE (cuprous...CONICHALCITE-Scc Higginsite COPPER (copper) Massive, pure; Michigan, 1 x 2', .25 . .. . ... ... . . ... . 95 Masses...copper deposit; Michigan . . . . . . . . . . .. . . . . .. 9 Massts in amygdaloid; Michigan . . . . .. . |  | | Book | | the front cover are photomicrographs from the digenite, galena, hematite and molybdenite sections. The...approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection. Photograph..... 36 Cubanite .. . ... 38 Diamond . .40 Digenite .........•........................... Enargite... .36 Cubanite .................. . .. .38 Digenite ... .... . . . ...... . . . . . ... ... ........References: Chace F.M. (1956) Abbreviations in field and mine geclogical mapping. Economic Geclogy, v. 51, p. |  | | Journal (article/letter/editorial) | | several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...similar to those exposed in Michigan’s famous Keweenaw Peninsula. Many of the minerals (copper, prehnite...and datolite) found in the Upper Peninsula of Michigan also occur in Wisconsin. The major difference...zircon), particularly in the Wausau area of Marathon County (Falster 1987). Middle Proterozoic quartzites (1 |  | | Report (issue) | | respectively, are classic reports on the notable Car bon County deposits in particular. Uranium in Carbon, Lycoming...Uranium occurrences in Mississippian rocks Carbon County Introduction Stratigraphy Mt. Pisgah General description...Mineralogy X-ray spectrographic analysis Huntingdon County 9 9 9 9 10 10 11 11 12 12 Location 12 Stratigraphy...fragments. Pyrite, bornite, chalcopyrite, galena, digenite, chalcocite and covellite have been identified...Galena Mine (Earl, 1950b). Another lead-zinc property is locatedat Pickering Creek in Chester County (Reed |  | | Journal (issue) | | classic older specimen of opal from the prolific USA locality of Butte, Oregon, reveals a carving-grade...Drawing-Silent Auction-Fluorescent Display Kid’s Mine-Wheel of Fortuner-Tone of Fun for the Family! Demonstrations:...com/DallasGemandMineralSociety ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...at Bower Powers Farm, in Pierrepont, St Lawrence County, New York. The locality produced lustrous black...17-pound nugget by a 12-year-old boy in Cabarrus County. Prior to 1829, all gold coined at the Philadelphia |  | | Report (issue) | | OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH This report concerns work...OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH By W. L Pinch This report...Plateau showing the location of the Shinarump No. 1 mine and the distribution of uranium deposits in the...OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH By W. I. Finch CONTENTS...No. 1 mine areas, Grand County, Utah. 2. Selected maps of mine walls from the Shinarump No. 1 mine. Figure |  | | Journal (article/letter/editorial) | | specimens found by the late Arthur Kingsbury (I9O6-68). County references are to the old boundaries, throughout...and arsenides near the south shaft at South Terras mine, St. Stephen-in-Brannell, Cornwall. R. J. Davis...baryte, with tennantite in limestone, at Gortdrum mine, Oola, Co. Tipperary, Ireland. BM(NH) specimens...ochreous, at West Turf Pits mine, Grassington Moor, Yorkshire. Also, at Treore mine, St. Teath, Cornwall. A...Ganophyllite Some of the ganophyllite at Benallt mine, Rhiw, Caernarvonshire (W. Campbell Smith et al |  | | Journal (article/letter/editorial) | | diffraction techniques, the bornite (Cu5FeS4)-digenite (Cu9S5) series has been investigated since the...all nomenclatures for superstructures of bornite-digenite, such as 2a, 3a, 4a, 5a, 6a, 2a4a2a, adopted in...results from the heterogeneity of the bornite-digenite series, although previous authors have not explained...patterns of the 5a-I and 6a-I superstructures of digenite with two-dimensional structure models. However...collected from three different locations: (1) Hamley mine, Moonta, South Australia, Australia (NMNH R702); |  | | Report (issue) | | Shultz copper adit 193 Front cluster Sheets "coal mine" uranium-lead occurrence Upper Catskill Reduced...looking out of Sheets "coal mine" Cavities in sandstone, Sheets "coal mine" 189 194 197 199 199 79...prospect 17 224 227 89. View from the cliff at Sheets' 'coal mine" 231 FULL-COLOR PHOTOGRAPHS OF MINERALS...and kasolite (golden), McCauley prospect 18 8. Digenite (medium blue) and covellite (indigo) as replacements...the Picture 20 Rocks-Sonestown versus Carbon County uraniferous areas 6. Uranium anomalies observed |  | | Journal (article/letter/editorial) | | view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...Beaverhead County, the pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue...Highlands Centennial Nugget in 1989 in Silver Bow County. The seventh largest gold nugget found in Montana;...should be sent to the author. LOCATIONS BY COUNTY Beaverhead County Anderson deposit, sec. 16, T. 12 S., R |  | | Catalog/List | | 127 DELAFOSSITE Consolidated Copper Co. Nevada. USA Tiny black spheres in white matrix Fairly rich. Micro...£8 Fe P0/4 S0/4 OH - -- ·--- - -- 1153 Iii DIGENITE Abo-Skjerp, Morgedal, Telemark Norway ANDALUSITE...Republic 908 ■■ FLUORO-POTASSIC HASTfNGSITE. Greenwood Mine, Orange Coun quite rich black metallic area on matrix...--------·-----. - --------860 ■ CELSIAN Benallt Mine, Lleyn, Wales 234 ■ GARRONITE Galboly Village, near...£5 403 CELSIAN Benallt Mine, Lleyn, Wales Green road Quarry, Ballyclare, County Antrim 166 ■ GISMONDINE |  | | Report (edition) | | with cubic and octahedral cleavages, Pequea silver mine; middle left: azurite crystals on calcite, “old”...from the owners of the land, from the quarry or mine operators before entering to collect. (Land ownership...particular site, remember it is possible to visit the county courthouse in which the site is located, and trace...tested copper by Benjamin Franklin. In 1732 Gap mine land was owned by the honorable Proprietors Thomas...23 23 28 Adams County Native copper localities Teeter quarry zeolite Allegheny County Wittmer wurtzite |  | | Journal (issue) | | index. This is organised hierarchically by country, county or state, then site name. To avoid the confusion...century boundary changes in the British Isles, the county boundaries defined by the Local Governmant Act...referred to as Glamorgan. The new counties and county boroughs brought in by the Lieutenancies Act of...Special issue on the minerals of Penberthy Croft Mine Published by Rock Bottom Publications Ltd. Nottingham...(2000) Famous mineral localities: Penberthy Croft mine, St. Hilary, Cornwall, England 20:7-37 Bevins, R |  | | Journal (article/letter/editorial) | | sericitically altered rock, pyrite-chalcocite-digenite-bornite veins exhibit centimeters- to meters-wide...approximately 1.5 km south-southeast of shaft 9 of the Magma mine and 120 km north of the city of Tucson, Arizona...Sanchez Ajo Tucson Lakeshore Johnson Camp Silver Bell USA I-10 Mission/Pima Twin Buttes MEX Helvetia / Rosemont...Hillsboro Continental Tyrone Chino NEW MEXICO Copper mine, present or past producer Maria Cananea SONORA...supergene enrichment (Ransome, 1914). Renamed the Magma mine, over the succeeding decades the base metal lode |  | | Catalog/List | | lbs.)• ...... 7.75 Reference Col lection of Gem Mine ra ls. To acqua i nt collectors and students with...) . . . . 82 .00 Pre-Cam brian Rocks of the Michigan I ron Ranges. Th is set of 26 rocks illustrates... . 3_:;o l O cliff. localities . . . . l i.!iO 50 cliff. localities . . . . 1 00 cliff. localities ....(Mohawkite) (copper arsenide) .Hassive in rock; Michigan . . . . . . . . . . . . . . . . . . . . . . 92...Griinuite Fibrous, grayish green in magnetite; Michigan . . . . . . 96 Hornblende Xis, black, in pink |  | | Journal (article/letter/editorial) | | The group as a 1971, when the malachite-stained cliff on the east- whole hasan averagedip of 50 ø to the... of the host volcaniclastics. Chalcocite and digenite are extensively intergrown.Typically, chalcoc...assayvaluesare represented.X = mean,X + SL-- meanplusone of digenite extendinginto the chalcocite(probably standarddeviation...showedthat digenite has a completesolid solution with chalcocite at temperatures above 93øC. The digenite-chalcocite...about 200øC, but bornitc III could not, since digenite and chalcopyriteare not in equilibrium at this |  | | Journal (article/letter/editorial) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg d’Oisan, Isère, France...Herkimer Diamond Mines, Inc., New port, Herkimer County, New York. Jeffrey B. Fast specimen and photo....cleavelandite, 49er Pocket, Oceanview mine, Pala district, San Diego County, California. Bill Larson specimen...photo. September/October: Gold, Mockingbird mine, Mariposa County, California. Collector’s Edge Minerals,...Treasure Chest Pocket, Jacksons Crossroads, Wilkes County, Georgia. Lisa Bennett specimen, Jeff Scovil photo |  | | Journal (article/letter/editorial) | | andbornitcexhibitprogressive oxidationto anilite,digenite,anddjurleite. Chalcocite is not found. Much of...of Antofagasta Province,Chile (Fig. 1). Abandoned mine workingsare situatedin the gorge of the Rio Grande(Fig... [ / ß Major Workings ß • • / / ARTOLLA ß MINE / , •r ] • Subsidiary Mines ,• Rimof Gorge...Photomicrograph ofmineralized sandstone, Artoila mine. Note syntaxialovergrowth on centralquartz grain...perhapsbest developedin the area of the Artolla mine (Fig. 6A). The important ore minerals in order of |
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