 | | Journal (article/letter/editorial) | | Mineralization in the Comstock District, Nevada DONALD M. HUDSON† 1540 Van Petten Street, Reno, Nevada 89503 Abstract...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...below and in the lower parts of orebodies in the Comstock lode, but it was deposited in the upper parts |  | | Journal (article/letter/editorial) | | Figure 1. Top: Outline of the Findlay Arch mineral district. Right: General location map for significant fluoriteproducing...fluoriteproducing quarries of the Findlay Arch district; prepared by William Besse. H “ OW MANY TIMES...from the White Rock quarry at Clay Center, Ottawa County, Ohio. Don and Gloria Olson specimen, Jeff Scovil...Arch Mineral District Ohio, Michigan, and Indiana Figure 3. Pugh quarry, Custar, Wood County, Ohio, included...collected at the Graymont Dolime quarry, Genoa, Ottawa County, Ohio, part of the Findlay Arch area. Joseph W |  | | Journal (article/letter/editorial) | | veins are reported to carry arsenopyrite, galena, sphalerite and chalcopyrite with quartz, feldspar, limonite...is the county seat and is situated in about the center of the county. I do not know if this mine is still...of the dealers ; however I did not ask from what mine these were from." ARIZONA—We recently received...Sea (in southern California —chiefly in Imperial County) one of the World's great geological freaks of...its shores." ARKANSAS—The Morning Star mine, in Marion County, Ark., has furnished many handsome specimens |  | | Journal (article/letter/editorial) | | be recorded." Pala is in northwestern San Diego County of Southern California. COLORADO: Prof. Richard...came from Iron Hill, New Castle Co., Del. Writes Mr. Pickett: "Iron Hill and Mine Hill are one and the...the same with Iron Hill being the proper name. The U. S. Geological Folio, Elkton-Wilmington N o . 211...211 says that Iron Hill and Chestnut Hill were worked as early as the 18th century and as late as 1891....occur at the abandoned Laurel Creek corundum mine in Rabun County, where it is associated with corundum. The |  | | Journal (article/letter/editorial) | | (Teller Co.), Colo., this past summer some friends of mine found some interesting specimens which turned out...and are quite interesting. They came from the King Mine near Cripple Creek." CONNECTICUT—A very nice specimen...and coming from the Worth feldspar quarry on Bog Hill, East Hampton, Middlesex Co., Conn., has been sent...of adjacent quarries at the Hurd Park end of Hog Hill. I used to visit the place, from time to time, but...After carrying that load of scheelite over a steep hill, and on a road which was paved with boulders, I |  | | Catalog/List | | Valley, Sheeprock Mts., Vernon, Tooele Co., Utah / USA; The exceptionally rare Thallium-Oxide, forms deep... Helvetia, Santa Rita Mts., Pima Co., Arizona / USA; Blue spherical crystal aggregates of 4 mm, rich...location"; NS 28,00; HS 38,00 Baghdadite xls Fuka Mine, Bicchu-cho, Takahashi City, Okayama Pref. / Japan;...Silicate. KS 48,00; NS 95,00 Borcarite xls Fuka Mine, Bicchu-cho, Takahashi City, Okayama Pref. / Japan;...mm in size, very rich on large cavities in a Sphalerite-Gypsum matrix. Nice and showy specimens of the |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...cuts, cut banks, breaks, draws and washes, gullies, hill slopes, etc.chalcedony roses, Celestite crystals |  | | Journal (article/letter/editorial) | | calcite, strontianite, barite, dolomite, and sphalerite. E R N E S T H. C A R L S O N Department of Geology...famous Green (Strontian) Island site in Ottawa County (Douglass, 1820, 1821). Although Ohio's minerals...and the Serpent Mound zinc district continue to attract the attention of mining geologists in their search...Findlay Arch district. )- 1 Findlay Arch District • 1 - LOUDEN Serpent Mound District OHIO Figure...Figure 2: Mineral localities of the Serpent Mound district. KENTUCKY Volume 65, November/December 1990 |  | | Journal (article/letter/editorial) | | In a letter dated Feb. 8, 1952, from Charles E. Hill, owner of the Arizona Agate Mines at Cave Creek...occur at shipping many tons and the mine shows the old Lane bismuth mine, at Monroe, promise of being another...(fluorDELAWARE — Gray cleavable masses ite) from this mine is of all colors and of orthoclase have been found...just like a 20 inch quartzite band which has been mine. I have been informed so many injected and locally...Georgia. The Cobb p:bbles have been found in Chicago, County specimen was collected by Bob Cook Co., III., on |  | | Book | | ae i A Visitor Guide Pa BPD 4 ei Ey 4 [ MINING AND MINERAL OPERATIONS IN THE NORTH-CENTRAL STATES...cataloged as follows: United States. Bureau of Mines. Mining and mineral operations in the North-Central States:...and nonmetallics. Stable and economic domestic mining, mineral, metal, and mineral reclamation industries...enjoy your experiences. This pamphlet, a guide to mining and mineral operations that may be observed or...aid tourists and students who are interested in mining. Some may wish to study our Nation’s romantic past; |  | | Journal (article/letter/editorial) | | near Pyriton, Clay County, Ala., was worked for copper. One was mined near Stone Hill in the southern part...of Cleburne County at what was called Wood's copper mine and also at Smith's copper mine about a mile...mile to the northwest. Much of the mining was done in the early seventies. There was a large amount of pyrite...altered into chalcedony. "In the Martinez Lake District, which is part of the Colorado River and 37 miles...ago we were in northern California seeing the old gold country. It certainly was a very interesting trip |  | | Journal (article/letter/editorial) | | samples showed sphalerite and silver. About 18 miles northeast near Jamestown in Cherokee County is another...another lead mine." ARIZONA—A letter dated Sept. 17, 1953, from John Whatley, Jr., 705 East E Ave., Glendale...his letter, dated Aug. 19, 1953, writes:— "An old mine near here had cavities in it that contained a sandlike...Reservation north of this community (in Apache County) with "high hopes" of finding the legendary diamond...at the Red Ledge chromite mine in the Washington mining district of Nevada Co., Calif. It consists of |  | | Report (edition) | | (formerly Stoneco, Inc.}, near Junction, Pau lding County, Ohio. Specimen is 3.8 x 2.4 cm with the largest...1999, working with geologists there studying the mining areas of "chrysanthemum stones' (a form of celestine)...Huron River, resulting in the discovery of two County, Ohio, August 2006. John Medici photo. minerals...ineralogical and Lap idary Society of Michigan Stark County Gem & M ineral Club Summit Petroleum, Inc. $1-$100...Marylynn Konowal-Podusiwsky Don Hol lenbaugh Hu ron Hill s Lap idary & Mineral Society VII CONTENTS About |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...E. H. Barbour, University of Nebraska, Lincoln. Nevada...........Dr. W. S. Tangier Smith, Berkeley, Cal...North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks |  | | Journal (article/letter/editorial) | | miles long extending from Coosa County thru Talladega and into Calhoun County. Most of the distance it is...So. Harvard Blvd. Los Angeles 47, Calif." — (see Nevada for other specimen). The kaersutite occurred as...Arizona kaersutite comes from Hoover Dam, Mohave County. A % inch black cube of limonite pseudo after pyrite...trip on Sat. March 6th, to the old Daulton copper mine in the lower foothills of Madera Co. on a search...them (not many contain the chlorite) at an old gold mine at Shingle Springs (El Dorado Co.), Calif. ROCKS |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...exten sive deposits, such as coal and iron fields, gold belts, etc., are mentioned in general terms. 688...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...ALABAMA—Mined. Mineralogical name. Coal, var. bitu minous. Gold. Common name. Remarks. Coal, bituminous coal |  | | Journal (issue) | | of fluorescence in a sample, as in the case of sphalerite which fluoresces blue due to zinc-ion vacancies...Visible light Ultraviolet Adamite (green) Ojuela Mine, Mapimi, Durango, Mexico Hydrozincite (blue) on...Carpathite (blue-green) with Cinnabar in Quartz Picacho Mine, San Benito Co., California 11 such as fluorescent...Clay Center, Woodville, and other localities in northwest Ohio (white, cream); Hardin County, Illinois (white);...of the best-known localities are FranklinSterling Hill (F-SH), New Jersey (red, with a very brief phosphorescence); |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Catalog/List | | DRIVE, SAN JOSE, CALIFORNIA 95127 HALITE - Kern County, California (cavernous crystals) GEM ROUGH & SLABS...fl. yellow-green. ARAGONITE 3X4 - Sam Benito County, Califo.fnia - White needles groTdrting in radiating...Ilo $2, 3 X 3 $2.75, 4 X 5 $4.50 San Benito County, California - Greenish hexagonal plates (look like...$2.75, 2X3 $3.50, 3X4 $4.50 - Sa.n Benito County, California - A newl}. discovered mineral from... 3 X 3 $2.75 GARNET PffilANITE - Sam Benito County, California - Small shiny black xls. growing on |  | | Journal (article/letter/editorial) | | 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this...Figure 1. Fluorite with sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the...The pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center specimens...acquisitions. Quartz, calcite, dolomite, siderite, sphalerite, cerussite, pyrite, marcasite, talc, hemimorphite...cubes from Trestia, Transylvania region, Maramures County, Romania, appears to be a complete replacement |  | | Journal (article/letter/editorial) | | ), Ariz., is again yielding orange (L.W.) fl. sphalerite. It phos. orange and triboluminesces, too. The...chromite with greenish chrome amphibole from Camp 8 Mine, Del Norte Co., Calif., was sent in by Carroll R...City, Calif. ARKANSAS—"The Coleman quartz crystal mine is located 14 miles north of Hot Springs (Garland...were a sort of coating on several rocks near an old mine. I am very interested in what they are, thought...Colo. The crystals are platy, white calcite. "The mine is located about 3 miles from where you pay the |  | | Report (issue) | | deposit occurs as a thin seam in graphitic Cleburne County. The property is, about 11.2 SINE phyllite which...radioactivity is 5 to 7 times background. Hill copper mine. RM 1968. Source ol informal Phyllite Location...information Fairfield County. Short distance northeast of East Village, on a hill to the north of dirt...old canal. Schairer, 1931. Fairfield County. Proceed up hill Cameron, et on Portland Ave. from Branchville;...bottom of next 1959. hill. Distance from Branchville to quarry is 0.6 km. Fairfield County. From Januzzi, |  | | Book | | regarding internal and external communications by the mining industry. The fact that our technological society...use of visual aids has long been a pet peeve of mine and I'm sure to many in this audience. The proper...ahead. But is the world's population ready? Is the mining industries public image high enough to assure adequate...appears today to be a sobering lack of general mining awareness by the public. Few people realize that...without the world's resources and the ability to mine and process them, we could have not achieved the |  | | Book (volume) | | Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT, area...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...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT, area...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...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |
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