 | | Report (issue) | | Studies in Southern Mecklenburg County and Vicinity, North Carolina 'and South Carolina By Frederick Albert...STUDIES IN SOUTHERN MECKLENBURG COUNTY AND VICINITY NORTH CAROLINA AND SOUTH CAROLINA By Frederick Albert...applied to part of the Charlotte and Carolina slate belts in southern Mecklenburg County and vicinity to help...into the Charlotte belt where it is mapped as metavolcanic rocks* Gravity models of the Carolina slate...volcanoclastic rock on plutonic basement. The basement is exposed in the adjacent Charlotte belt antiform |  | | Report (issue) | | isotope ratios indicate a component derived from a mafic source, and suggest that rift basin faulting may...geologic . province 54 Ducktown district, Tennessee 60 District geology 60 Theories of origin 61...7. 105 in Blue Ridge vein deposits 112 Whole-rock U-Th-Pb systematics in Mount Rogers Formation rhyolites...Sulfide deposits in the Piedmont 129 9. Mineral district, Virginia 133 10. Description of the ore bodies...170 Carolina slate belt polymetallic stratabound sulfide deposits 175 Central North Carolina slate |  | | Report (volume) | | The Crystalline Rocks of South Carolina By WILLIAM C. OVERSTREET and HENRY BELL III GEOLOGICAL SURVEY...Relation of rock units in the geologic belts of the Piedmont and Blue Ridge provinces of South Carolina UNITED...metamorphism__ _ __ _____________ _____ _ Description of rock units___________________________________________...and Precambrian(?) age_______________________ Carolina slate belt_________________________________________...______ Metamorphosed sedimentary and volcanic rocks___________ Amphibolite______________________________________ |  | | Report (volume) | | Hydrothermal Systems in Volcanic Rocks and their Significance to Mineral Prospecting in the Carolina Slate Belt U...Hydrothermal Systems in Volcanic Rocks and their Significance to Mineral Prospecting in the Carolina Slate Belt B_v...hydrothermal systems in volcanic rocks and their significance to mineral prospecting in the Carolina slate belt....Hydrothermal deposits-Middle Atlantic States. 2. Volcanic ash, tuff, etc.-Middle Atlantic States. 3. Prospecting-Middle...aluminous alterations in other regions ---Examples in North America --------------------------------------- |  | Klein, T. L., Cunningham, C. G., Logan, M.A.V., Seal, R. R. (2007) The Russell Gold Deposit, Carolina Slate Belt, North Carolina. Economic Geology, 102 (2) 239-256 doi:10.2113/gsecongeo.102.2.239 | Journal (article/letter/editorial) | | 239–256 The Russell Gold Deposit, Carolina Slate Belt, North Carolina TERRY L. KLEIN,† U.S. Geological...Abstract Gold deposits have been mined in the Carolina slate belt from the early 1800s to recent times...mines in South Carolina. The Russell mine, one of the larger producers in North Carolina, is located in...rhyolitic volcanic and volcaniclastic rocks of the Uwharrie Formation and underlies the marine volcanic and...has shown that a rhyolitic dome near the Russell mine was extruded during the deposition of the lower |  | | Report (issue) | | hydrothermal systems in volcanic rocks and their significance to mineral prospecting in the Carolina slate belt ...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 |  | | Report (issue) | | along the North Carolina – Virginia State Line Guidebook for the 1999 Meeting of the CAROLINA GEOLOGICAL...along the North Carolina – Virginia State Line Guidebook for the 1999 Meeting of the CAROLINA GEOLOGICAL...Eastern Appalachian Piedmont along Lake Gaston, North Carolina and Virginia by Paul E. Sacks 16 Porphyroblast...case study in southern Virginia and northern North Carolina by J. Wright Horton, Jr., and David L. Daniels...study along the Hollister fault zone, eastern North Carolina by David P. Lawrence 49 A field guide to |  | | Report (issue) | | RANDATHER QUNTAN of£4 vA, ATE BELT CAROLINA aes \ eer =~CAROLINA ‘ Li, aie! BARTLETT'S/27 FERRY FAULT...GRANDFATHER TENNESSEE ~~ MOUNTAIN KIOKEE BELT SOUTH CAROLINA ug 5; “A BARTLETT'S/.2 FERRY FAULT ? ALABAMA...admittedly speculative, for gold mineralization in the Carolina slate belt; it complements the paper by Neathery...Anomaly at the Peachbottom Deposit, Alleghany County, North Carolina (John E. Callahan, J. Hatten Metal Howard...Georgia Models and III, and Thomas Prospects (Charlotte for Volcanogenic Appalachians E. Geologic |  | | Report (issue) | | Pavlides ............. STOP 1, 8 STOP 1A. Mineral district Chopawamsic Formation at Contrary Creek by J.E... Gair .............. 24 Ores of the Mineral district by J.R. Craig, J.W. Miller, L.J. Cox, and R.F...pit, east end of Betty Baker mine by J.E. Gair Drill core, Mineral district by J.E. Gair ...............Mineral district. STOP LA and STOP 2 shown 4. Geologic map of the Mineral district, Louisa County, Virginia...Tables Table 1. Mining history of some major sulfide deposits of the Mineral district ............... |  | | Journal (article/letter/editorial) | | com/locate/sedgeo The 1.1-Ga Midcontinent Rift System, central North America: sedimentology of two deep boreholes, Lake...Minnesota-Duluth, Duluth, MN, 55812, USA b University of Wisconsin-Superior, Superior, Wl, USA Accepted 20 August 2001...Abstract The Midcontinent Rift System (MRS) of central North America is a 1.1-Ga, 2500-km long structural feature...that are mostly continental fluvial red beds. This rock sequence, known as the Keweenawan Supergroup, has...nearby Hickey Creek well drilled by Cleveland Cliffs Mining Services, were 100% cored. The former is 7238 ft |  | | Journal (article/letter/editorial) | | Copyright © 2000 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/00 $20.00 ⫹ .00 Pergamon...Department of Geosciences, Tucson, Arizona 85721, USA (Received November 26, 1997; accepted in revised...Fe-oxide hosted (Fe-P-REE) systems from four areas in North America have been analyzed for their neodymium isotopic...(subduction vs. intraplate), and magmatic style (mafic vs. felsic). In the Middle Proterozoic St. Francois...(Nd ⫽ ⫹2.6 to ⫹6.2). At the mid-Jurassic Humboldt mafic complex in western Nevada, Nd for Fe-P-REE (apatite) |  | | Book | | of Geology, University of South Carolina, Columbia, South Carolina 29208 (deceased). HADLEY, Jarvis...Pre-Cambrian of the Beartooth, the Big Horn and the Black Hills uplifts and its coincidence with Tertiary... 707-708. 1943, and analyses Union Carl of rock-flowage Trans. (abs). Am. 23rd Ann. Mtg. Pt...2, p. Huntington Broedel, Reverse faulting north of Harrisburg, Pennsylvania. Geol. Soc. Am. Bull...273-280. 1945, Correlation of lineation with rock-movement (summary). Am. Geophys. Union Trans. 25th |  | | Journal (article/letter/editorial) | | Area, East Shasta District, California MICHAEL M. GUSTIN† Cambior Exploration USA, Inc., 331 Freeport...Formation contains disrupted shale, mudstone, and volcanic rock, and includes hydrothermally altered and mineralized...silicified rock occurs within the lava unit stratigraphically beneath the known VMS deposits; this rock preserves...BASE metal sulfide deposits of the East Shasta district, northern California (Fig. 1), have been interpreted...for the cluster of deposits near the Afterthought mine (Fredericks, 1980; Eastoe and Nelson, 1988). In |  | | Journal (article/letter/editorial) | | Mineralization at the London-Virginia Mine, Buckingham County, Virginia Margaret Mangan 1, j. R. Craig...which represent a mixture of submarine epiclastic volcanic debris and exhalative chemical sediments. Finely...Kiff (1970), on the basis of studies in the North Carolina slate belt, suggested that some strata-bound...in South Carolina, one of the largest producers in the Appalachians, as a late stage volcanic fumerolic...nature of the gold occurrence at the London-Virginia Mine, one of the numerous abandoned gold mines and prospects |  | | Report (issue) | | mineralization to caldera subsidence in the Creede district, San Juan Mountains, Colorado, by Thomas A. Steven...·_________________ _ 9. Alinement of mining districts in north-central Nevada, by Ralph J." Roberts ____________...Ronald Willden_ 12. Ettrly Tertiary volcanic geology of an area north and west of Butte, Montana, by Harry...- _-13. Tectonic setting of the Coeur d'Alene district, Idaho, by Robert E. Wallace, Allan B. Griggs...__________ _ 14. Bleaching in the Coeur d'Alene district,( Idaho, by P. L. Weis ______________________ |  | | Journal (article/letter/editorial) | | No. 2 SOUTHERN APPALACHIANS Central Virginia Volcanic-PlutonicBelt as a Host for MassiveSulfide Deposits...Mineral, Virginia, in Figure 2. CENTRAL VIRGINIA VOLCANIC-PLUTONIC BELT 255 38*30'00' 5 MILES i I ...bed rock to saproliteor clay and problemsof regionalgeologicmapping. The central Virginia volcanic-plutonicbelt...hornblende-b•ot•tegneiss) Quant•co Formation gray to black graph•t•cslate and phylhte to stauroht•cschist and...metavolcamcrocks of ©18 fels•c, mtermed•ate and mafic compos•bons •nterlayered w•th lesser amounts of |  | | Report (volume) | | U.S. Geological Survey published Bulletin 191, North American Geologic Formation Names, by F.B. Weeks...chronologically, is as follows: Weeks, F.B., 1902, North American geologic formation names: Bibliography... W.J., and Kopf, R.W., 1957, Geologic names of North America introduced in 1936-1955: U.S. Geological...Hansen, B.E., 1959, Index to the geologic names of North America: U.S. Geological Survey Bulletin 1056-B...formulated a code of Classification and Nomenclature of Rock Units. An outgrowth of this group, the Commission |  | D�zs-Moore, A., Leavens, P. B., Jenkins II, R. E., Altounian, N. M. (2003) Wollastonite at the Sterling Hill Fe?Zn?Mn ore body, Ogdensburg, New Jersey. Mineralogy and Petrology, 79 (3) 225-241 doi:10.1007/s00710-003-0235-6 | Journal (article/letter/editorial) | | 1 2 University of Delaware, Newark, DE, USA Newark, DE, USA Received August 18, 2002; revised version...dehydration of water-rich phases in adjacent ores or mafic rocks. The chemical compositions, textures, stratigraphy...Franklin deposit three miles north of Sterling Hill, but the Franklin mine closed in 1954, and the relationship...wollastonite at Sterling Hill. The Sterling Hill mine closed in 1986 and is now flooded; only the adit...as a National Historic site, the Sterling Hill Mining Museum. The Sterling Hill ore body and its sister |  | | Report (volume) | | ________ Precambrian metasedimentary and meta volcanic rocks_______________ __ Lower schist_ _______...section of iron deposits near Atlantic City, Fremont County, Wyo. Magnetic map of the iron deposits near Atlantic... 'Tihe Atlantic district, in the south part of the Wind River Range, Fremont County, 'Vyo., includes...Precambrian sedimentary and volcanic rocks. It is best known as a gold-mining district, but iron deposits of...the youngest. The metamorphism of the rocks is district wide and regional in character except very close |  | | Journal (article/letter/editorial) | | Lake deposit is at a faulted contact between mafic volcanic and siliciclastic to volcaniclastic rocks,...aforementioned veins; (3) host rock biotite defining the foliation within the mafic volcanic rocks of the deposit;...wall of the Detour Lake deposit, resulting in mafic volcanic host rocks with a purple-maroon appearance...target and delineate Au ore zones. However, mafic volcanic host rocks at the Detour Lake deposit are metamorphosed...generations within generations the mineralized mafic rocksmafic of thevolcanic Detour rocks of the Detour |  | | Report (volume) | | and evaluation of the Pea Ridge iron ore mine (Washington County, Missouri) for rare-earth element and precious...7-8. Maps showing: 7. Geology of the Kiruna iron district, Sweden 17 Contents Ill 8. Distribution and...approximately 2 billion metric tons (tonnes) of rock contain an estimated 32 million tonnes of copper...oxide-dominated matrix. On the basis of drilling prior to mine development these rocks were thought to be conglomerates...existence of the graben and indicates that the host rock is a large, branching breccia body that includes |  | | Report (issue) | | ...............17 Massive sulfide, volcanic and sedimentary rock hosted...................19 Ultramafic...the occurrence of granitic to intermediate and mafic plutons and their hypabyssal offshoots of Devonian...Mountains are Mn-chert deposits associated with mafic volcanic rocks. Small massive-sulfide deposits containing...containing Cu, Zn and some Au and Ag occur in volcanic rocks and sedimentary rocks associated with the volcanics...Redding quadrangle, and in the Weed quadrangle to the north of the Redding quadrangle. Small, mesothermal gold-quartz |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and...Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product...1986)........................................48 Volcanic-hosted magnetite deposits (model 25i of Cox and...Study Areas and other areas in the Winnemucca District and Surprise Resource Area for which resource...of mineral deposits present in the Winnemucca District and Surprise Resource Area, northwest Nev. and |  | | Report (issue) | | the Tonto Basin area, includes volcanic rocks of the Alder and Red Rock Groups, several hypabyssal rhyolite...and intertonguing relation with the underlying Red Rock Rhyolite will be seen near Tonto Natural Bridge...this trip is, first, to exami~e some of the major rock units in the Middle Proterozo1c Apache Group and...sequences of Early Proterozoic sedimentary and volcanic rocks that underlie the Apache Group. Asbestos...basin of Roosevelt Lake. From there the route turns north and follows Arizona Highway 288 across ttie Salt |  | | Journal (article/letter/editorial) | | albitization. The main metal occurrences are in 2.0-2.5 Ga mafic volcanics and sediments of the Lapponian Greenstone...Greenstone group and in 1.9 Ga intermediate-composition volcanic and volcaniclastic rocks of the Svecofennian Porphyry...in Lapponian rift basins that contain 2.0-2.5 Ga mafic volcanics. During low to medium-grade (low P) regional...Introduction Within Early Proterozoic, 1.9-2.5 Ga volcanic and sedimentary rocks and in 1.77-2.2 Ga igneous...Ranges, South Australia, White, 1959; Cloncurry district, Queensland; Edwards and Baker, 1953; Ramsay and |
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