 | | Report (issue) | | Pleaoc teturn this publication to the Virginia Geologieal Survcy whcn you havc no further uce for it...COMMONWEALTH OF VIRGINIA STATE COMMISSTON ON CONSERVATION AND DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY...Deposits of Virginra BY ARTHUR A. PEGAU UNIVERSITY, VIRGINIA 1932 COMMONWEALTH, OF VTRGINIA STATE COMMISSION...COMMISSION ON CONSERVATION AND DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY ARTHUR BEVAN, State Geologist Bulletin...33 Pegmatite Deposits of Virginia BY ARTHUR A. PEGAU UNIVERSITY, VIRGINIA 1932 RICHMOND: DrvrsroN |  | | Report (issue) | | 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....and other units in the Big Bess pegmatite, Gaston County, N. C _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ |  | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Journal (issue) | | the Virginia Polytechnic Institute, Engineering Experiment Station Series, dealing with Virginia Mineral...Mineral Localities: Virginia Mineral Localities (1960 Edition) Virginia Mineral Localities (Supplement...(Supplement I) Virginia Mineral Localities (Supplement II) Virginia Minerals and Rocks (3rd Edition) Ex LIBRIS...\I i! II II BULLETIN OF THE ·, I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station...Series No. 151 Ii !I ·1 " ii :c H I I I I ! VIRGINIA MINERAL LOCALITIES ( SUPPLEMENT II ) By Richard |  | | Report (issue) | | Physical Characteristics of Commercial Sheet Muscovite in the Southeastern United States GEOLOGICAL SURVEY... Physical Characteristics of Commercial Sheet Muscovite in the Southeastern United States By RICHARD H...6 7 8 11 12 12 15 16 16 17 17 22 24 26 Sheet muscovite in the Southeastern States.____________ Distribution...deposits. ___——_—————_—___—_____ Tests of sheet muscovite from the Southeastern States————_ General statement...-_-------------_---_---_ Reeve structures in muscovite-_______________________._____________________ |  | | Report (volume) | | General features____________________________ Coosa County _________ ____________________ Randolph County...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________...____________ 86 Troup County ________________________________ 86 Upson County _______________________________ |  | | Report (issue) | | Uranium occurrences in non-sedimentary rocks of Virginia ........... 96 Table 18 Selected references arranged...occurrences in non-sedimentary rocks of southwestern Virginia.........................98 Figure 23. Uranium...occurrences in non-sedimentary rocks of north-central Virginia........................99 INTRODUCTION Uranium...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 |  | | Report (issue) | | Brittle-Deformation History of Eocambrian Rocks (Ridgeway Gold Mine, South Carolina), Carolina Terrane Mervin...Bartholomew, Amy E. Whitaker, Chris A Barker 17 The Ridgeway Gold Deposits: A Window to the Evolution of a...Barnett 25 A Field Guide to the Geology of the Ridgeway-Camden Area, South Carolina Piedmont Donald T...Photo: Overview of the North Pit at Ridgeway Gold Mine (Kennecott-Ridgeway Mining Company). CAROLINA GEOLOGICAL...REGIONAL RELATIONSHIPS The oldest rocks in the Ridgeway–Camden area are metaplutonic, metavolcanic, and |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...corundum, muscovite, quartz (Hurst, 1956c). Wood pit—east of S.R. 243 near the Baldwin-Wilkerson County line:...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8...garnet, muscovite. Downloaded by [University of Calgary] at 09:55 07 August 2017 Barrow County Arnold |  | | Journal (article/letter/editorial) | | thousand crystals from various locations in Fannin County, Georgia, they reported that the proportion of...cobalt-blue color (Bringhurst and Griffen 1986; Phillips and Griffen 1986). Cr-rich staurolite (about 2...staurolite is typically associated with almandine, muscovite, biotite, kyanite, and quartz. In higher-grade...on dark schist, Cook Road, Windham, Cumberland County, Maine. Robert J. Lauf specimen No. 3585. Volume...Staurolite from the region of Patrick and Henry counties, Virginia, is notable for the fairy crosses described |  | | Report (issue) | | BERYLLIUM RESOURCES IN NEW MEXICO AND ADJACENT AREAS Virginia T. McLemore New Mexico Bureau of Geology and Mineral...beryl production from the Harding pegmatite, Taos County. Current drilling in the Apache Warm Springs deposit...were discovered in the Victorio Mountains, Luna County in the early 1900s. Gulf Minerals Resources, Inc...porphyry Mo and W-Mo-Be skarn deposits northwest of Mine Hill and south of Middle Hills. At a cut-off grade...Mountain, Otero County and in the molybdenum porphyry deposit at Questa, Taos County, although not in |  | | Journal (article/letter/editorial) | | This is the case for the Tilley Foster mine (Putnam County), which was well described by Nightingale...geology and mineralogy of the Sterling mine, Antwerp (Jefferson County), which were well documented by Robinson...district; 3. Lyon Mountain mines; 4. Benson mine; 5. Jayville mine; 6. Chub Lake prospect; 7. Antwerp-Keen...Rock mine; 9. Clintontype; 10. Columbia County iron mines (Burden iron mine); 11. Dutchess County iron... Tahawus mine. Figure 2 (below). An old entrance to the former Sterling mine, Orange County. The stratabound |  | | Report (issue) | | Wilmington Wilmington, N.C. William S. Henika Virginia Division of Mineral Resources Charlottesville.... . . . . . . . . iii Sandy Level Quadrangle, Virginia: Its Geology and Regional Interpretation (C.R.... 7 Metamorphic Gradients in Pittsylvania County, Virginia (J. P. Gregory). . . . . . . . . . . . . ... 49 Cataclastic Zone Associated with the Davie County Triassic Basin (D. V. Milton). . . . . . . . ....from the Dan River (North Carolina) - Danville (Virginia) Basin (E. I. Robbins and A. Traverse). . . . |  | | Journal (article/letter/editorial) | | pegmatite was mined at Barringer Hill in Llano County in the early 1900s but was flooded by Lake Buchanan...from 1900 to the middle 1940s; but the Mariposa mine, which produced most of the rare minerals, ceased...& Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991)...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in |  | | Report (issue) | | COMMONWDALTE OF VIRGINIA VIRGINTA CONSERVATTON COMMTSSTON VIRGINIA GEOLOGICAL SURVEY ARTHUR BEVAN,...53 Barite Deposits of Virginia By R.AYMOND S. EDMUNDSON UNIVERSITY, VIRGINIA t938 I \e RICHMOND:... RICHMOND: Dwrsror cR Puncn.rsp arvo puxrrr.rc 1938 VIRGINIA CONSERVATION COMMISSION Wrreun C. Her,r,, Chai...recommend for publication as Bulletin 53 of the virginia Geological Survey series of i'eports the manuscript...Geologist of the Virginia Geological SurveY. This re=port is the first issued on barite in Virginia. It describes |  | | Journal (article/letter/editorial) | | and NW of Mt. Ophir (Ball 1901; Dunstan 1911; Ridgeway 1936). Recent exploration has concentrated on...(Fig. 4) show that the sericite is phengitic muscovite (not illite) with an analytical deficiency of...from "extragranitic" environments (Fig. 6, cf. Henry and Guidotti 1985). The most Mg-rich compositions...from that of tourmalines in granites (b) (after Henry and Guidotti, 1985) A/2.Fe s Mg .... Petrographically...the adit N of Mt. Ophir which was described by Ridgeway (1936). Although these were not the primary targets |  | Cooke, David R., Wilkinson, Jamie J., Baker, Mike, Agnew, Paul, Phillips, Josh, Chang, Zhaoshan, Chen, Huayong, Wilkinson, Clara C., Inglis, Shaun, Hollings, Pete, Zhang, Lejun, Gemmell, J. Bruce, White, Noel C., Danyushevsky, Leonid, Martin, Hamish (2020) Using Mineral Chemistry to Aid Exploration: A Case Study from the Resolution Porphyry Cu-Mo Deposit, Arizona. Economic Geology, 115 (4). 813-840 doi:10.5382/econgeo.4735 | Journal (article/letter/editorial) | | Wilkinson,2,3,4 Mike Baker,1,2 Paul Agnew,5 Josh Phillips,1,* Zhaoshan Chang,1,** Huayong Chen,1,*** Clara...Mining, P.O. Box 1944, Superior, Arizona 85173, USA Abstract The giant, high-grade Resolution porphyry...under cover in the past three decades, including Ridgeway (New South Wales), Pebble East (Alaska), Cukaru...Colorado School of Mines, Golden, Colorado 80401, USA. ***Current address: Key Laboratory of Mineralogy...Ma) Pinal schist (Fig. 2), a package of quartz-muscovite and quartz-chlorite schists with minor intercalations |  | | Journal (article/letter/editorial) | | 12 Anthony, W., 12 Arizona: Mammoth, St. Anthony Mine, Tiger, Arizona, 5; Minerals Named for Persons Associated...H . L . : Phosphate Minerals in the Vesuvius, Virginia, Area and Notes on the Type Locality of Rockbridgeite...Butler, G . M . , 12 Butlerite, 12 Cacoxenite, Virginia, 22 Cahnite, New Jersey, 213 Calcite: Illinois...Denver Museum of Natural History, 58; Clear Creek County, 241 Coming Events: 38, 81, 177, 227, 273 Connecticut...148 Dick, A . B . , 257 Dickite, 257 Dixie mine, Virginia, 21 Downeyite, 73 Downey, W. F . , 73 Dugganite |  | | Report (edition) | | epidote, biotite to chlorite, and plagioclase to muscovite, to give greenschist facies metamor phic rocks...white quartz-plagioclase schists, separated by muscovite laminae which exhibit an angular style of microfolding...Worcestershire W^W' Haysladl^'v'.-^A'xy / QuarryA County Quarryr* I t i 1 Gardiner's Quarry 1 Fig. 7...quartzo-feldspathic bands separated by grey chlorite muscovite laminae with remnants here and there of a pink...Hill shows a banded lithology, being biotite-muscovite-chlorite-oligoclasequartz schists with more quartzose |  | | 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;...stumbled onto the richest gold placer ever found. Henry Edgar named it Alder Gulch. In June 1863, Fairweather |  | | Report (volume) | | the James River-Roanoke River Manganese District Virginia GEOLOGICAL SURVEY BULLETIN 1008 Geology...oftheJatnes River-Roanoke River Manganese District Virginia By GILBERT H. ESPENSHADE GEOLOGICAL SURVEY ...____________ __________ ___________ Schoolhouse mine and nearby prospects_ _ _ ______ __ _______ StonewalL___...________________ Prospects between Joshua Creek mine and Old Tavern prospect________________________...Descriptions of mines and prospects-Continued Campbell County-Continued Drinkard and nearby prospects _________________________ |  | | Report (issue) | | Myers, Director U.S. Geological Survey, Reston, Virginia: 2008 For product and ordering information: World...typically contain sericite, which is composed of muscovite that has a strong 2.20-μm absorption feature....ratios and methods, but different band thresholds, muscovite-rich, phyllic-altered rocks have also been regionally...2003). Alunite, kaolinite, pyrophyllite, and muscovite were mapped at the Red Mountain and Sunnyside...oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite, chlorite, anhydrite, and |  | Zukowski, W., Cooke, D. R., Deyell, C. L., McInnes, P., Simpson, K. (2014) Genesis and Exploration Implications of Epithermal Gold Mineralization and Porphyry-Style Alteration at the Endeavour 41 Prospect, Cowal District, New South Wales, Australia. Economic Geology, 109 (4) 1079-1115 doi:10.2113/econgeo.109.4.1079 | Journal (article/letter/editorial) | | Barrick 3 Mineral Gold of Australia, Cowal Gold Mine, New South Wales, Australia Deposit Research Unit...tellurides, arsenopyrite, apatite, hematite, illite-muscovite, and chlorite [stage 4]). Gold occurs principally...ring alteration halos and later-stage illite-muscovite-K-feldspar and calcite-rich alteration halos.... The highest gold grades are associated with muscovite and illite alteration. Stable isotope analyses...N-trending group of gold deposits is described by mine geologists as the “gold corridor.” The deposits |  | | Report (issue) | | compile the map and pamphlet are chiefly from Phillips' (1987) tabulation of industrial mineral occurrences...that it was compiled from the updated data of Phillips (1987). No claim is made for completeness of this...the data sources. The commodity location data in Phillips (1987) are given in terms of township, range,... and as products of hydro thermal alteration. Phillips (1987) did not include common clays (generally...that runs from Lake Mead in Mohave County southeastward to Cochise County. Five locations are listed in table |  | | Journal (issue) | | 1843 Common Microscopic Finds from The Blue Bell Mine, Zzyzx, San Bernadino Co., California Tony Nikischer...Nikischer tony@excaliburmineral.com The Blue Bell Mine, within the unincorporated community of Zzyzx, has...adits and stopes collectively known as the Blue Bell Mine here has had a prolific history among mineral enthusiasts...minerals found here can be quite attractive. The mine operated as early as 1885, primarily for lead and...areas consisting of adits, stopes and dumps, the mine generally accessible via two different approaches |
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