 | | Report (issue) | | Part 1. General Features By RICHARD H. JAHNS, WALLACE R. GRIFFITTS, and E. WM. HEINRICH GEOLOGICAL ...pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ ...between pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight mine ______ _______________...of granite underlain by schist, Hawkins mine, Stokes County, N. C _ _ _ _ _ _ __ _ _ __ _ _ _ _ _ 9. |  | | Report (volume) | | [(entycky,. Tennessee, Ohio, Georgia, ' South Carolina, and Massachusetts^and a revised Mississippiari...Formation, a Miocene formation in northern Elko County, Nevada, and adjacent Idaho, including a consideration...Mississippian black shales in the Appalachian basin, by Wallace de Witt, Jr., and John B. Roen A45 7. Stratigraphic...Russell and Helen thrust sheets, Georgia and North Carolina, by Arthur E. Nelson and Kenneth A. Gillon...Gillon A59 8. The Ellenton Formation in South Carolina A revised age designation from Cretaceous to Paleocene |  | | Journal (article/letter/editorial) | | Geology, University of Nevada, Reno, Nevada 89557, USA ABSTRACT Northeastern Nevada is generally interpreted...to remnants of the Uinta basin. An approximately north-south paleodivide through northeastern Nevada separated...any sediment was transported out of the region (Wallace et al., 2008). Major uplift and erosion of the...Eocene sediments of Bull Run basin Cornwall Mtn North Bull Run Copper Basin + + + ? Caldera margin...Ruby Mo un t ai e Tr + Nanny Creek Mts Coal Mine Canyon ? 41° Hills South ult + + +Windermere |  | | Report (issue) | | ever since. Besides the La Grange mine, the largest hydraulic mine now in active operation, it contains...mines, particularly in the northern portion of the county. Large bodies of gravel of lower grade yet remain... Murphy, of the Union Hill mine; Mr. Pierre Bouery, of the La Grange mine; Mr. W. D. Ayers, of Poker...Globe mine; but more particularly to Mr. H. L. Lowden, formerly county surveyor of Trinity County, who...(see Pl.° I) is roughly crescentic, concave to the north. The right arm represents the south and southwest |  | | Journal (article/letter/editorial) | | 1329 Arizona Economic geology Aluminum, Maricopa county, Wickenberg (Sheridan, Michael F , et al.) tt-t2...(Mclean, W. John, er a/.) 7-E 1103 Hemihedrite,Pinal county, Florencemine, Maricopacounty, Wickenburg,Rat Tail...a/.) 7-8 1088 Kinoite, SantaRita mountains,Pima county (Anthony, John W., er a/.) 5-6 7O9 Phoenicochroite...Jerome,United Verde mine (Wood, Michael M.) 5-6 729 Wherryite, Tiger, Mammoth mine (Mclean, W. John.)...er a/.) 1.2 224 Breccia Intrusive Utah, San Juan county, MosesRock dike, kimberlite (McGetchin, Thomas |  | | Report (volume) | | their Significance to Mineral Prospecting in the Carolina Slate Belt U.S. GEOLOGICAL SURVEY BULLETIN 1562...their Significance to Mineral Prospecting in the Carolina Slate Belt B_v ROBERT G. SCHMIDT U.S. GEOLOGICAL...their significance to mineral prospecting in the Carolina slate belt. (Geological Survey bulletin ; 1562)...aluminous alterations in other regions ---Examples in North America ---------------------------------------...---------------------------------------General geology of the Carolina slate belt ---------------------------------- |  | | Journal (article/letter/editorial) | | 500-mile-long state situated mainly between 35° and 36.6° North latitude and bounded on the west by the Mississippi...(top left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo...(left). Fluorite, 2.5 cm on edge, Elmwood mine, Carthage, Smith County. Terry Huizing specimen and photo. Figure...Figure 4 (right). Cumberland mine, Smith County. Travis Paris photo (2004). Figure 5 (far right page) |  | | Report (issue) | | their significance to mineral prospecting in the Carolina slate belt by Robert G. Schmidt' GEOLOGiCAL...aluminous alterations in other regions Examples in North America Examples in South America Large hydrothermal...geology of the Carolina slate belt Descriptions of selected high alumina deposits in the Carolina slate belt...High—alumina deposits in Moore County Other deposits in North Carolina Origin and significance of the...Figure 1.--High—alumina alteration systems in the Carolina slate belt 2a Figure 2.--Major porphyry copper |  | Leavitt, E. D., Spell, T. L., Goldstrand, P. M., Arehart, G. B. (2004) Geochronology of the Midas Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada. Economic Geology, 99 (8) 1665-1686 doi:10.2113/gsecongeo.99.8.1665 | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada E. D. LEAVITT,† Department of Geological...exchanged meteoric waters. Introduction THE KEN SNYDER mine exploits the largest known Au-Ag epithermal deposit...reduced sulfur (John et al., 1999, 2003; John and Wallace, 2000; John, 2001). They are most commonly associated...or recently active, epithermal Au mine N Historic epithermal Au mine or prospect b. 0 30 km FIG....Modified from Stewart and Carlson (1976) and John and Wallace (2000). the northern Great Basin (Christiansen |  | Garihan, John M., Ranson, William A., Muthukrishnan, Suresh, Bridgeman, James L., Goforth, Tom (2012) Geologic Studies of the Inner Piedmont, Brevarrd Zone, and Blue RIdge, South Carolina and North Carolina. Field Trip Guidebook. Carolina Geological Society | Report (issue) | | South Carolina and North Carolina Guidebook for the Seventy-fifth Anniversary of the Carolina Geological...Muthukrishnan, James L. Bridgeman, and Tom Goforth CAROLINA GEOLOGICAL SOCIETY 2012 FIELD TRIP Geologic Studies...Ridge, South Carolina and North Carolina October 12-14, 2012 Greenville, South Carolina Guidebook for...for the Seventy-fifth Anniversary of the Carolina Geological Society 73rd Annual Meeting Founded at Furman...Ranson Carolina Geological Society Board of Directors 2012 President Scott Howard South Carolina Geological |  | | Report (volume) | | (E) Geology of 'the Calamity Peak area, Custer County, South Dakota, by Donald H. Kupfer. (F) Geology...Geology of the magnesite belt of Stevens County, Washington, by Ian Campbell and JohnS. Loofbourow, Jr. ... (G) Geology of the Red Devil quicksilver mine, Alaska, by E. M. MacKevett, Jr., and H. C. Berg. (H)... (I ) Geology of some copper deposits in North Carolina, Virginia, and Alabama, by G. H. Espenshade...the beryllium deposits in the Thomas Range, Juab County, Utah, by Mortimer H. Staatz. Geology and Mineral |  | | Report (volume) | | DIRECTOR BULLETIN 617 BIBLIOGRAPHY OF ' ' NORTH AMERICAN GEOLOGY FOR 1914 WITH SUBJECT INDEX BY...99 142 142 143 144 145 2 , BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY FOR 1914, WITH SUBJECT INDEX. By...M. NICKLES. INTRODUCTION. The bibliography of North American geology, including paleontology, petrology...publications bearing on the geology of the Continent of North America and adjoining islands; also Panama and the...efficient assistance in the work. The bibliography of North American geology is comprised in the following bulletins |  | | Report (issue) | | in Publication Data Hosterman, John W. (John Wallace), 1923Bentonite and fuller's earth resources of......................................... Sumpter County................................................................................................ North Dakota................................................................................... South Carolina.................................................Clay Spur Bentonite Bed of the Mowry Shale, Crook County, Wyo.......................................... |  | | Report (volume) | | Bulletin 732 GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO BY JOSEPH B. UMPLEBY AND E. L. JONES...Regis formation ________________________ Newland ("Wallace") formation_________________ Striped Peak form..._______________________ Placer Creek ______________________ Wallace and Wardner_________________ Zinc deposits _____-____...Interstate-Callahan mine_________________ Success mine __________________________ Rex mine____________________________...Deposits in dinbase along St. Joe river_______ Veins north of Coeur d'Alene River_________ Disseminated deposits___ |  | | Report (volume) | | -Part of a color shaded relief aeromagnetic map of north-central Minnesota. Color changes represent broad...Berenguela district, northwestern Bolivia By Alan R. Wallace, Richard F. Hardyman, Richard M. Tosdal, Nestor...vegetation in the Snow Camp-Saxapahaw area, North Carolina, and the resulting expressions in Landsat TM...................... 189 Aeromagnetic survey of north-central Minnesota By Robert J. Horton, Warren C...silver, mercury, copper, and palladium in Lemhi County, east-central Idaho By George A. Desborough, William |  | | Journal (article/letter/editorial) | | Megascopic features Microscooic features Hornblende Plagioclase. Qrartz Contact rnetamorphism Dikes. Amphibolization...Geological Survey. I Daly, R. A., Geology of the North American Cordillera at the 49th parallel: Mem.38...Ellis, E. W., Geology and ore deposits of Boundary County Idaho: Id.o. Bur. oJ Mines and Geology, Butl. lO...Belt rocks of that quadrangle and adjacent areas north and south of the Libby quadrangle were mapped and...series. Four formations, the Prichard, Ravalli, Wallace, and Striped Peak are exposed within the area. |  | | Journal (article/letter/editorial) | | subduction of oceanic crust beneath the western coast of North America. In the northern Great Basin, most of the...volcanic arc that formed along the western coast of North America between about 22 to 4 Ma. By contrast, the...gold-silver deposits in the northern Great Basin (north of latitude 37°30'N). The focus is on variations...the northern Nevada rift. The heavy star at the north end of the rift is the McDermitt caldera (M) and...Farallon plate that was being subducted beneath North America) at the different times indicated. Shaded |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite, chromium ore, Washington Zinc ore...ore, Poncha Springs, Colo. 14. Tungsten ore. North Carolina Abundance and Distribution of Thorium in...Stock at Iron Hill, Powderhorn District, Gunnison County, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY...stock at Iron Hill, Powderhorn District, Gunnison County, Colorado. (Geology and resources of thorium in...map of the alkalic complex at Iron Hill, Gunnison County, Colo __________________________ B2 2. Histograms |  | Lüders, Volker, Romer, Rolf L., Gilg, H. Albert, Bodnar, Robert J., Pettke, Thomas, Misantoni, Dean (2009) A geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above a hypothesized granite cupola. Mineralium Deposita, 44 (4) 415-434 doi:10.1007/s00126-008-0221-3 | Journal (article/letter/editorial) | | geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above...fluorite–rhodochrosite mineralization at the Sweet Home Mine occurred coeval with the final stage of magmatic...Geosciences, Virginia Tech, Blacksburg, VA 24061, USA T. Pettke Institute of Geological Sciences, University...Calumet Company Inc., P.O. Box 1169, Golden, CO 80402, USA al assemblage was deposited from magmatic fluids...quartz demonstrate that fluids from the Sweet Home Mine are enriched in incompatible elements but have considerably |  | | Journal (article/letter/editorial) | | Structural Controls on Mineralization ALAN R. WALLACE U.S. GeologicalSurvey,Box25046,Mail Stop905, DenverFederalCenter...Colorado.A numberare relatedto Laramide 1985; A. R. Wallace and J. F. Whelan, 1986) will andyoungermagmaticsystems...regionalgeologyof and Ladwig (Ferris and Bennett, 1977; Wallace, the Foothillsbelt, with a strongemphasis onthe...Setting I ::::::::::::::::::::::::::::::: The north-trendingFront Rangeof Coloradois a structuralblockcomposedof...oradomineralbelt, which intersectsthe easternrange front 30 km north of the Schwartzwaldermine (Tweto and Sims,1963) |  | | Journal (article/letter/editorial) | | Engineering, Colorado School of Mines, Golden, CO 80401, USA SEAES and Williamson Research Centre for Molecular...the western (South Dakota) and southern (Alabama) USA were investigated. Measured quartz contents of bentonites...<1 lm to more than 10 lm thick. Surfaces of plagioclase, K-feldspar, and biotite grains are conspicuously...1990); adsorbed kaolinite (Le Bouffant et al., 1977; Wallace et al., 1985), possibly because it is a source...de), phospholipids, organosilane, etc. (e.g., Wallace et al., 1985; Castranova, 1996; Castranova et al |  | | Report (volume) | | Index . . . . VII 655 III BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1966 INTRODUCTION The current...current annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1966 c~ncerning the geology of the North American continent, Greenland, the West Indies and adjacent·...in foreign journals are cited if they deal with North American localities or are of a general nature,...they deal only with foreign areas. Articles on North America by foreign authors are included regardless |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore-Balmat Mine. N.Y. Chromit~-chromium ore. Wash. Zinc ore-Friedensville...ore. Poncha Springs. Colo. 14. Tungsten ore. North Carolina Titanium Contents and Titanium Partitioning...not yet discovered or not presently profitable to mine. The mining of mineral deposits, once discovered...biotite in some gneisses from Mason Mountain, Macon County, N.C --------------------8. ~mong minerals of some...stability of sphene and clinopyroxene relative to plagioclase and orthopyroxene. Others have noted that magmatic |  | | Book (volume) | | :\IBRIAN OF 1'HE UNITED S1'ATES 01•' A:\IERICA: NORTH\VESTERN UNITED STATES-1"HE BEL1"' SERIES by Clyde...::.\1aryland 6.3. Virginia . 6.4. North Carolina and South Carolina 6.5. Georgia and Alabama 7. A.tlantic...in the Canadian Shield and its appendages in the north, and in the Blue Ridge Province farther south. They...they ,vere sumn1arized on the-' geologic rnap of North .._.\.n1f'rica (WILLIS and STOSE, 1911). l{ErrH's...the edge of the continental platform or craton of North America. The surface r ocks of the r egion are gently |  | | Report (issue) | | PEGMATITE GEOLOGY OF THE SHELBY DISTRICT NORTH CAROLINA by \ Wallace R. Griffitts > \ I ,' -* U. S. Geological...Metamorphic rocks....................... h- Carolina gneiss ..................... Ij- General features... 98 Quartz. ........................ 98 Plagioclase ...................... 101 Microcline. ......district , Worth Carolina. .................... In pocket 3A. Contorted garnet layer in Carolina gneiss * 3B...lens of fine-grained lime- silicate rook from the Carolina gneiss. ............... * k-. Metabasalt with |
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