 | | Journal (issue) | | azurite and malachite from the Flambau Mine in Wisconsin, now completely gone, of the chalcocite fame....News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 E-mail: lream@comtch.iea.com...Fifties, i.e. chiastolite crystals from Madera County, CA. They used to be very common, almost ubiquitous...Manhattan, NV, from the Twin Creek Mine, Humboldt County, NV. The crystals are about 3/g to 5/g inch (1...with fresnoites from the Junnila Mine, San Benito County, CA, which he described in the Mineral News of |  | | Journal (issue) | | Mottramite from the Whale Mine, Goodsprings District, Clark Co., Nevada Tony Nikischer tony@excaliburmineral...locality in the Goodsprings Mining District of Clark County, Nevada. The Whale Mine consisted of underground...less than two miles south of Ladysmith, Wisconsin in Rusk County. The Flambeau Mine is a wholly owned subsidiary...treatment, stockpiles, nursery, etc. Figure 8 - Rusk County Pin (Author’s collection & photo) Figure 6—Flambeau...Mineral Set (Author’s collection & photo) Rusk County Pin (figure8) This green pin with black lettering |  | | Book (edition) | | LAZULI TURQUOISE GARNET ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • ...SPINEL STAUROLITE •^^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS Crystal forms 5 velopment of one face...way from North Carolina to California and from Wisconsin. Some are found in the rock in which spare North...mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, % mi. NE Less than 1887 ...Alabama has yielded a 4i%4 carat diamond from Shelby County, 30 miles south of Birmingham, found about 1900 |  | | Journal (article/letter/editorial) | | Sciences University of Wisconsin-River Falls 410 South Third Street River Falls, Wisconsin 54022 his is Wisconsin’s... breweries, bratwurst, and Packers football, Wisconsin also has a diverse geology and a history rich...forgotten, abandoned, and overgrown. In this respect, Wisconsin represents a frontier state for the mineral collector...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...summarizes and highlights what has been found in Wisconsin in the past 150 years and points the way to new |  | Vikre, P., Browne, Q. J., Fleck, R., Hofstra, A., Wooden, J. (2011) Ages and Sources of Components of Zn-Pb, Cu, Precious Metal, and Platinum Group Element Deposits in the Goodsprings District, Clark County, Nevada. Economic Geology, 106 (3) 381-412 doi:10.2113/econgeo.106.3.381 | Journal (article/letter/editorial) | | Element Deposits in the Goodsprings District, Clark County, Nevada PETER VIKRE,1,†QUENTIN J. BROWNE,2...94305-2115 Abstract The Goodsprings district, Clark County, Nevada, includes zinc-dominant carbonate replacement...mineralization. Introduction THE GOODSPRINGS DISTRICT, Clark County, Nevada, is notable for the wide distribution...AND PGE DEPOSITS IN THE GOODSPRINGS DISTRICT, CLARK COUNTY, NEVADA 383 b NE SW 7000 6000 st ys 3000...AND PGE DEPOSITS IN THE GOODSPRINGS DISTRICT, CLARK COUNTY, NEVADA R57E R58E Ds Cg col KE YS N TO |  | | Book | | Petrographic Collection OF American Rocks BY R. W. CLARK Instructor of Petrography Mineralogical Laboratory...Petrographic Collection OF American Rocks BY R. W. CLARK \ t Instructor of Petrography Mineralogical Laboratory...is based on Kemp's Handbook of Rocks. R. W. CLARK, Instructor of Petrography. Mineralogical Laboratory...416831 Introduction FN the following pages Mr. Clark has made a contribution of great value to teachers...his specimens. To overcome these difficulties Mr. Clark has enlisted the cooperation of tion are found to |  | | Journal (article/letter/editorial) | | Middle Precambrian Rocks in Eastern and Central Wisconsin ^ M THURMAN*^* Z. E. PETERMAN J Department...that crop out throughout eastern and central Wisconsin. Most of the data are consistent with an apparent...geochronologic data and with recently determined U-Pb zircon ages for some of the same rocks indicates that...demonstration that most of the older Precambrian rocks in Wisconsin are in the age range of 1,800 to 1,900 m.y. old...Precambrian rocks exposed in eastern and central Wisconsin. Material from many published reports and graduate |  | | Journal (article/letter/editorial) | | Department, 110 S. Madison St., Adrian, Michigan 49221, USA ABSTRACT Pegmatites containing rare elements can...Pegmatites Kings X, Wisconsin, USA McAllister pegmatite, Alabama, USA S. Maine pegmatites, USA Brown Derby,... Colorado, USA San Diego Co., California, USA Black Hills, South Dakota, USA Red Cross Lake, Manitoba...Colorado, USA South Platte, Colorado, USA Lake George, Colorado, USA Mt. Rosa/Stove Mtn., Colorado, USA Trout...District, Colorado, USA Mojave District, Arizona, USA Searchlight Dist., Nevada, USA Barringer Hill, Llano |  | | Journal (article/letter/editorial) | | pale smoky crystals, from the Center, Cherokee County, Ala., locality and that they are very good. This...Madison County. "Beryl: as light golden crystals, fractured but gemmy, from near Hissop, Coosa County." Arizona—A... Las Vegas, Nev., publicity director of the Clark County Gem Collectors, carried the following paragraph...locality is the south shore of Lake Mead, Mohave County, Ariz. Another letter from Mr. Drury contained...(petrified wood) are found 3 miles west of Piggott, Clay County, Ark. California—A new California mineral is perovskite |  | | Report (volume) | | West Virginia... .Dr. I. C. White, Morgantown. Wisconsin.........Prof. W. 0. Hotchkiss, Madison. Wyoming...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...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Journal (article/letter/editorial) | | Granites in the Precambrian Complex of Gold Butte, Clark County, Nevada A VOLBORTH Geological Society of America...Granites in the Precambrian Complex of Gold Butte, Clark County, Nevada Abstract: The Precambrian complex of...biotite. Accessory minerals are sphene, hornblende, zircon, apatite, allamte, and fluorite. Typical rapakivi...contain concentrations of samarskite, columbite, zircon, and other rare minerals. They commonly show well-developed...Figure 1. Location of the Gold Butte area, Clark County, Nevada 814 Plate Facing 1. Geologic map and |  | | Report (volume) | | ............................................ Wisconsin.................................................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.;...; Jefferson County, at Ely ton; Lee County, at Chewacla lime works"; St. Clair County, at Greensport; |  | | Journal (article/letter/editorial) | | Herkimer Diamond Mines, Inc., New port, Herkimer County, New York. Jeffrey B. Fast specimen and photo....Pocket, Oceanview mine, Pala district, San Diego County, California. Bill Larson specimen, Jeff Scovil...September/October: Gold, Mockingbird mine, Mariposa County, California. Collector’s Edge Minerals, Inc., specimen...Treasure Chest Pocket, Jacksons Crossroads, Wilkes County, Georgia. Lisa Bennett specimen, Jeff Scovil photo...56 Chalcopyrite, French Creek Iron Mine, Chester County, Pennsylvania, R. B. Cook, 44–50 Chamberlain, S |  | | Report (volume) | | Arabia. A few determinations were made of detrital zircon from sedimentary rocks to obtain information of...ios of the different accessory minerals xenotime, zircon, and monazi l.e. The thorium to uranium ratio given...lead determinations were made on a given sample of zircon, all the values are entered in the tabulation and...DETERMINATION Replicate age determinations were made of zircon from the same rock in 85 of the 411 rocks reported...been measured. The agreement between the ages of zircon, monazite, and xenotime, separated from the same |  | | Report (volume) | | 1 uranium mine, Seven Mile Canyon area, Grand County, Utah: TEI-287, Jan. 11, 1954. GJ, SL. Fischer...exploration at the Old Leyden coal mine, Jefferson County, Colo.: TEM-292, Mar. 30, 1953. D, GJ. Hinrichs...The pegmatites of the Errington-Thiel mine, Elko County, Nevada: TEI-71, Dec. 28, 1949. Office of Director...Ridge, and West End claims near Clancy, Jefferson County, Mont.: TEM-31, Oct. 19, 1951. D, SL, T. (332,...and structure of the Miners Mountain area, Wayne County, Utah: Aug. 17, 1953. SL. McKelvey, V. E., Preliminary |  | | Report (issue) | | Geological Survey Denver, CO 80225 2EXXON Company USA, Denver, CO 80201 o -"Consulting Geologist 3150...U-Th-Pb analytical data and age calculations for zircon from the Moss and Times Porphyries, Oatman area...determine the age of the volcanic and plutonic rocks, zircon from the Times and Moss Porphyries was dated by...the U-Th-Pb method (table 4). Three nonmagnetic zircon fractions from the Moss have discordant dates and...limits). The analyzed zircon contain minute inclusions of dark, rounded zircon of presumed Proterozoic |  | | Journal (article/letter/editorial) | | northern Colorado River extensional corridor (NCREC, USA) provides an excellent record of coeval volcanic...northern Colorado River extensional corridor (NCREC, USA) provides an excellent record of coeval volcanic...Spirit Mountain pluton is provided by a single U-P zircon age of 17 Ma (Howard et al. 1996). A single 40...of the pluton. Both 40Ar/39Ar biotite and U-Pb zircon ages are reported from the Searchlight pluton and...of 15·70·04 Ma (Falkner et al. 1995) and a U-Pb zircon (discordant, lower intercept) age of 15·140·62 |  | | Journal (article/letter/editorial) | | northern Colorado River extensional corridor (NCREC, USA) provides an excellent record of coeval volcanic...northern Colorado River extensional corridor (NCREC, USA) provides an excellent record of coeval volcanic...Spirit Mountain pluton is provided by a single U-P zircon age of 17 Ma (Howard et al. 1996). A single 40...of the pluton. Both 40Ar/39Ar biotite and U-Pb zircon ages are reported from the Searchlight pluton and...of 15·70·04 Ma (Falkner et al. 1995) and a U-Pb zircon (discordant, lower intercept) age of 15·140·62 |  | | Journal (article/letter/editorial) | | Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...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 |  | | Report (volume) | | and W.J. Perry, Jr. U-Pb Ages of Volcanogenic Zircon from Porcellanite Beds in the Vaughn Member of...J. Perry, Jr. ch. B. U-Pb ages of volcanogenic zircon from porcellanite beds in the Vaughn Member of...andW.L Perry, Jr. B. U-Pb Ages of Volcanogenic Zircon from Porcellanite Beds in the Vaughn Member of...AREA The study area is in southwestern Beaverhead County, Montana, and adjacent parts of northeastern Idaho...depositional component. In southwest Beaverhead County, Montana, the Frontier Formation is predominantly |  | | Report (volume) | | Maryland Geological Survey: vol.. 10; Anne Aruiidel. County. Baltimore, Md. Mazama, vol. 5; no. 3.. Poutkind...Chicago, 111. West Virginia Geological Survey: County Reports, Barbour-Upshur:Randolph. Morgantown, W...C. 8. The Quaternary geology of southeastern Wisconsin, with a chapter on the older rock formations:...on back of topographic map], New York (Suffolk County), Moriches quadrangle (Camp Upton edition), U....Oligocene of the west coast of North America. See Clark and Arnold, no. 173. Ashley, George H. . . 22. Memorial |  | | Report (volume) | | McCullough Mountains Wilderness Study Area, Clark County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1730-C...McCullough Mountains Wilderness Study Area, Clark County, Nevada By ED DE WITT, J. L ANDERSON, H. N....McCullough Mountains Wilderness Study Area, Clark County, Nevada. (Mineral resources of wilderness study...Mountains Wilderness Study Area (NV-050-435), Clark County, Nevada. CONTENTS Abstract Cl Summary Cl...McCullough Mountains Wilderness Study Area, Clark County, Nevada Ey Ed DeWitt, J.L Anderson, H.N. Barton |  | | Report (issue) | | of the rare-earth metals at Baringer Hill, Llano County, Tex., by F. H. Hess, in C~ntr ibutions to Economic...magnetite-ilmenite deposits near Lake Sanford, Essex County, N. Y. , by .r. R. Balsley, Jr., in Strategic Minerals...Oregon beach sands. Concentration of chromite, zircon, garnet, an:! ilmenite, by John Dasher, Foster...Exploration of the Blue Metal corundum property, Douglas County, Nev. , by E. 0. Binyon.} 7 pp., 1946. (32) 3900...Company property, Magnet Cove area, Hot Spring County, Ark. , by Robert V. Spencer, 23 pp. , 1946. (33) |  | | Report (issue) | | JAMES W. WHIPPLE Gold Deposits of the Boulder County Gold District, Colorado By JAMES A. SAUNDERS Part...Ferry County. 3. Hydrothermal deposits Nevada. 4. Hydrothermal deposits Washington Ferry County. I. Geological...132 Contents III Gold deposits of the Boulder County gold district, Colorado Abstract 137 Introduction...Porphyry along Silver Creek 118 Concordia diagram for zircon from the Moss and Times Porphyries, Oatman area...135 Map of Colorado showing location of Boulder County gold district and other gold camps referred to |  | | Report (volume) | | study 2 Clark County 9 Geology 9 Plutons 9 Lincoln County 1S Geology 1S Plutons 1S Southern Nye County 17...Northern Nye County 20 Geology 20 Plutons 22 Esmeralda County 25 Geology 25 Plutons 27 Mineral County 31 Geology...31 Lyon County 35 Geology 35 Plutons 35 Churchill County 38 Geology 38 Plutons 40 Lander County 42 Geology...Eureka County 46 Geology 46 Plutons 48 White Pine County 50 Geology 50 Plutons 50 Elko County 55 Geology...Geology 55 Plutons 55 Humboldt County 61 Geology 61 Plutons 61 Pershing County 66 Geology 66 Plutons 68 Washoe |
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