 | | Journal (article/letter/editorial) | | at Peak Hill, are con®ned to a 300±500 m wide, north-south striking, steeply dipping, shear zone that...(muscovite/illite-pyrite paragonite) to a pyrophyllite-pyrite diaspore andalusite altered core...L. Walshe A. Allibone James Cook University of North Queensland, Townsville, Q4811, Australia Present...vicinity of regional-scale structures in the Carolina Slate Belt may be a further example of this style of... 1995), and some similar systems in the Carolina Slate Belt (e.g. Fiess 1985; Klein and Schmidt 1985; |  | | Report (issue) | | RANDATHER QUNTAN of£4 vA, ATE BELT CAROLINA aes \ eer =~CAROLINA ‘ Li, aie! BARTLETT'S/27 FERRY...GRANDFATHER TENNESSEE ~~ MOUNTAIN KIOKEE BELT SOUTH CAROLINA ug 5; “A BARTLETT'S/.2 FERRY FAULT ? ALABAMA...speculative, for gold mineralization in the Carolina slate belt; it complements the paper by Neathery and...Anomaly at the Peachbottom Deposit, Alleghany County, North Carolina (John E. Callahan, J. Hatten Metal Howard...Geologic South Sulfide (Thornton The Aspects Carolina Faulkner Western E. Carroll) the Southwest |  | | Report (issue) | | Cover photo: Mil8ing PDant, Parks GoUd Mine, McDuffie County, Georgia. Photo courtesy Georgia Department...District. ......... ,........................ Greene County................................................................................ Lincoln County ................................................................................ McDuffie County ................................ ·.............................................. Oglethorpe County ................................ : ............................. |  | | Report (issue) | | METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA by P. Albert Carpenter, m Reprinted...deposits of the slate belt Distribution of mines and prospects Previous investigations Mine descriptions...descriptions Alamance County Copper prospect Foust copper mine Robeson gold prospect Cabarrus County Allman prospect...Buffalo mine Cabarrus? mine Clinemine Crayton mine Furniss mine Eva Furr mine Isenhour mine ..; : Newellmine...Nugget mine Phoenix mine Pioneer Mills mine Propst mine Quaker City mine Reed mine Rocky River mine Silver |  | Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., Willmore, L. M. (1987) Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment ? geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95 (4) 481-498 doi:10.1007/bf00402207 | Journal (article/letter/editorial) | | within ultramafic schists of the Harare greenstone belt (2.73 Ga). This exotic lithological association...about 56 km NNW of Harare, in the Harare greenstone belt (Morrison 1972; Schreyer et al. 1981). The supracrustal...2730+_60 Ma has been obtained for this metavolcanic belt (Jahn and Condie 1976). 483 Table 1. Representative...in chrome muscovite; verde The Harare greenstone belt, described as part of the Basement Schists by Ferguson...which intrudes the metavolcanic sequence about 1 km north of O'Briens claims, and considers therefore that |  | | Report (issue) | | a similar trend in galenas from Kings Mountain belt ores is further evidence for such a source. Sulfur...Inner Piedmont rocks. PMS and the Kings Moun- tain belt have isotope ratios suggesting a mixed source with...gold-pyrite belt 170 Carolina slate belt polymetallic stratabound sulfide deposits 175 Central North Carolina...Carolina slate belt 177 Lincolnton-McCormick district, Georgia and South Carolina Other slate belt deposits...deposits 188 191 Sulfur isotopes in Carolina slate belt 11. massive sulfides 191 Northern Alabama Piedmont |  | | Journal (article/letter/editorial) | | features Ped structures Pedogenic slickensides Pyrophyllite Granite saprolith Basalt Geochemistry India...thick, white shale consists of quartz–muscovite–pyrophyllite interpreted as a paleosol, overlies ∼3.32 Ga...around Keonjhargarh has long been quarried for pyrophyllite and has also been interpreted tentatively as...the Singhbhum-Orissa craton, flanked to the east, north and west by deformed and metamorphosed, late Archean...protolith, altered granite saprolith, quartz-pyrophyllite-bearing white shale, and the Kolhan sandstone |  | | Report (issue) | | IN NORTH CAROLINA INFORMATION CIRCULAR 29 DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES ...agencies for the general welfare of the dtizens of North Carolina. The Section conducts basic and applied research...Resources, at Post Office Box 27687, Raleigh, North Carolina 27611-7687, or call (919) 733-2423. Jeffrey...Chief Geologist GOLD NORTH CAROLINA IN . by P. Albert Carpenter III NORTH CAROLINA GEOLOGICAL SURVEY INFORMATION...INFORMATION CIRCULAR 29 STATE OF NORTH CAROLINA James B. Hunt, Jr., Governor DEPARTMENT OF ENVIRONMENT |  | | Journal (article/letter/editorial) | | Implications for the environmental management of mine sites— M.W. Clark, S.R. Walsh, and J.V. Smith APPLIED...arc—R.G. Skirrow and J.P. Sims The Vazante zinc mine, Minas Gerais, Brazil: Constraints on willemitic...systems, Yukon, Canada— David Selby, Bruce E. Nesbitt, Robert A. Creaser, Peter H. Reynolds, and Karlis...formation of diamonds in the mantle underlying a mobile belt: Venetia, South Africa—Peter Deines, Fanus Viljoen...illite/smectite from The Geysers coring project, California, USA— Giday WoldeGabriel, Fraser Goff, and James Aronson |  | | Journal (article/letter/editorial) | | Journal Pre-proofs Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China:...S-Y. Zhang, H-F. Zhang, Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China:...Published by Elsevier B.V. Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China:...nightyzhf@cugb.edu.cn (Zhang H.F.) Abstract Genesis of pyrophyllite alteration can provide important clues for ore...mineralization. The Baiyun pyrophyllite deposit in the central Taihang Mountain (CTM) of the North China Craton (NCC) |  | | Report (issue) | | Gold, base-metal, and related deposits of North Carolina 1011 by Gwendolyn W. Luttrell 12 U.S. Geological... Gold, base-metal, and related deposits of North Carolina Abstract Gold, silver, copper, lead, zinc,...barite, and rare-earths have been mined in North Carolina. Gold, with by-product silver, occurs in veins...along the borders of a granite body in Halifax 18 County. 19 and Vanoe Counties. 20- Tungsten minerals...occur with sulfides in vein|j deposits in Cabarrus County. 21 22 23 24 25- U. S. GOVERNMENT PRINTING OFFICE: |  | | Report (issue) | | Geological investigations of the Kings Mountain belt and adjacent areas i_n the Carolinas edited by J...1B01YJ JH1lrL~ 11HHJ J\J-rAJii W1.sr B JY1111.Il • CAROLINA GEOLOGICAL SOCIETY Field Trip Guidebook 1981 ... October 24-25, 1981 Gaffney, South Carolina - CAROLINA GEOLOGICAL SOCIETY 1981 OFFICERS +', . I...Schaeffer Duke'Power P.O •. Box 33189 Charlotte, North Carolina 28242 0 Secretary-Treasurer: • S. Duncan...Department of Geology, Duke University Durham, North Carolina 27706 Chairman of the Membership Committee: |  | | Journal (article/letter/editorial) | | limonite, brown pyrophyllite, and all in white quartzite. Graves Mountain, in S/W Lincoln County, is in N /...artifacts about 2y2 miles northwest of Oblong, Crawford County. The specimens were found on top of the ground...specimens which I recently found in Montgomery County, Maryland, near a gold location described in the...mica is muscovite with some quartz. Montgomery County is in central Maryland. MINNESOTA—"Enclosed are...and brown agate. Dillon, in eastern Beaverhead County, is in S/W Montana. P.S. "If you (the Editor) ever |  | | Book | | Bagby US Geological Survey, Menlo Park, California, USA William Bagby received a Ph.D. in Earth Science from...Berger US Geological Survey, Spokane, Washington, USA Byron Berger has been involved in exploration for...Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...geochemical exploration programmes, in France and North Africa, where he has gained considerable experience...his early years, he worked for Sheep Creek Mines, Union Corporation, the South African Department of Mines |  | | Journal (article/letter/editorial) | | (kaolinite-pyrophyllite-quartz), 300ø ñ 10øC (kaolinite-pyrophyllite-diaspore), 337ø _+ 10øC(pyrophyllite-diaspore-andalusite)...10øC(diaspore-corunduna), and366ø __+ 10øC (pyrophyllite-andalusite-quartz). No stableinvariantpointsoccur...Computed Gibbsfree energiesof formationare' pyrophyllite.--5.266.499;andalusite,--2,441.030; diaspore...washings,as well as the bulk solu- (OH) 4; pyrophyllite, AlgSi40•o (OH) 2; andalusite,tion, analyzed...mineralassemblage results. Thesesilicadissolution County, California: diasporefrom Chester, Massareactionsare |  | Marquis, P., Brown, A. C., Hubert, C., Rigg, D. M. (1990) Progressive alteration associated with auriferous massive sulfide bodies at the Dumagami Mine, Abitibi greenstone belt, Quebec. Economic Geology, 85 (4) 746-764 doi:10.2113/gsecongeo.85.4.746 | Journal (article/letter/editorial) | | Groupat the Dumagami Au-Ag-Cudeposit,southernAbitibi belt, northwesternQuebec.The inner alterationzoneis characterizedby...alterationzonesassociatedwith massivesulfidebodiesat the Dumagami mine in the Bousquetgoldcampof the Abitibi greenstonebelt...00 746 747 PROGRESSIVE ALTERATION, DUMAGAMI MINE,ABITIBI,QUI•'BEC 79'00' 78'00' 49'00' 49ø00 '...foliation (S1, 5 km of subsurfaceworkingsin the mine, followed 748 MARQUIS, BROWN,HUBERT,AND RIGG...al. (1990b). PROGRESSIVE ALTERATION, DUMAGAMI MINE,ABITIBI,QUi•BEC the structural footwall. Both the |  | | Report (chapter) | | Berman et al. 1986) Al203-SiO2-H20 kaolinite = pyrophyllite + water vapour (10) A12Si2Os(OH)4 + 2SIO2 =...1970a, Haas & Holdaway 1973, Hemley et al. 1980) pyrophyllite = aluminosilicate + (11) quartz + water vapour...with amorphous silica. The upper stability of pyrophyllite, reaction (11), at c. 350-400°C, marks the approximate...despite the inferences of Winkler (1965, 1979), pyrophyllite is a relatively uncommon mineral in the greenschist...alkali metal ions. Equilibria involving kaolin or pyrophyllite remain more useful in constraining the conditions |  | | Journal (article/letter/editorial) | | development. Key metapelitic assemblages include pyrophyllite, chloritoid, chlorite and muscovite in each...and zircon. The abundance of chloritoid and pyrophyllite in thin shaly units, together with their minor... Key-words: chloritoid; gold; greenschist; pyrophyllite; Witwatersrand stratigraphical arguments alone...recorded within the Witwatersrand basin (e.g. pyrophyllite, chloritoid) but their distribution and geological...assemblages are sporadic in these rocks, but include pyrophyllite and chloritoid. The mafic rocks are generally |  | | Report (volume) | | Knoxville 1 °X2° Quadrangle, Tennessee, North Carolina, and South Carolina U.S. GEOLOGICAL SURVEY BULLETIN...Knoxville 1°X2° Quadrangle, Tennessee, North Carolina, and South Carolina By G.R. ROBINSON, Jr., F.G. LESURE...Knoxville 1°X2° quadrangle Tennessee, North Carolina, and South Carolina I by G.R. Robinson, Jr. ... [et al...Geology- Tennessee. 2. Geology-North Carolina. 3. Geology-South Carolina. 4. Mines and mineral resources-...and mineral resources-North Carolina. 6. Mines and mineral resourcesSouth Carolina. I. Robinson, G.R. II |  | Robinson, Gilpin R., Lesure, Frank G., Marlowe, J. I., Foley, Nora K., Clark, S.H. (2004) Bedrock geology and mineral resources of the Knoxville 1° x 2° quadrangle, Tennessee, North Carolina, and South Carolina. Open-File Report 2004-1075. US Geological Survey doi:10.3133/ofr20041075 | Report (issue) | | Knoxville 1°x2° Quadrangle, Tennessee, North Carolina, and South Carolina By G.R. ROBINSON, Jr., F.G. LESURE...Knoxville 1°x2° quadrangle Tennessee, North Carolina, and South Carolina / by G.R. Robinson, Jr. ... [etaf...Geology—Tennessee. 2. Geology—North Carolina. 3. Geology—South Carolina. 4. Mines and mineral resources—Tennessee...and mineral resources—North Carolina. 6. Mines and mineral resourcesSouth Carolina. I. Robinson, G.R. II...Piedmont Lithotectonic Belt 10 Blue Ridge 13 East Flank Blue Ridge Lithotectonic Belt 14 Helen Thrust Sheet |  | | Journal (article/letter/editorial) | | rocks of the Vargfors Group. The Kristineberg Cu–Zn mine is the largest deposit (approximately 21 Mt) and...as 4 km from the deposit. Chlorite(±talc) in the mine Editorial handling: R.J. Goldfarb Electronic Supplementary...(outlined) is located at the western end of the belt (after Allen et al. 1996) mineral chemistry to...mining district comprises an east-west-trending belt of Early Proterozoic (ca. 1.9 Ga) volcanic rocks...(Rickard and Zweifel 1975; Allen et al. 1996). The belt extends for approximately 200 km from Boliden in |  | | Report (issue) | | bibliography is modeled after the Bibliography of North American Geology which is published annually and...References were read, annotated, and indexed·. by county, subject, and geological age. In many entries a...a portion of the state larger than a county is discussed, so that larger subdivisions of the state are... are outlined in Fig. 1. Each index entry to a county or one of the larger subdivisions is also referred...from AMER. GEOPHYSICAL UNION TRANS. Transactions of the .American Geophysical Union. Published by the National |  | | Report (issue) | | Georgia, President of the Board. Hon. R. T. NESBITT, Hon. S. Hon. R. ...... BRADWELL, U. HARDEMAN...Phosphates 57 CHAPTER IV. GEOLOGY OF THE CRYSTALLINE BELT Introduction Map of Georgia , 58 58 58 CONTENTS...Topography of the Crystalline Belt Structure and Physiography of the Crystalline Belt, and its Evolution Age...Age of the Crystalline Belt Geology of the Holo-crystalline Area CHAPTER DISTRIBUTION OF CORUNDUM 61...should make this report ranking second in the Union, in this publication will act as a its and the |  | | Report (volume) | | Annotated Bibliography of North American Geology, 1950 By MARJORIE HOOKER GEOLOGICAL SURVEY BULLETIN...in 1 2 5 7 17 291 ANNOTATED BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1950 BY MARJORIE HOOKER INTRODUCTION...lists publications concerning the geology of the North American continent, including adjacent islands,...in foreign journals are cited if they deal with North American localities or are of a general character...foreign areas. Articles by foreign' authors on North America are included regardless of place of publication; |  | | Journal (article/letter/editorial) | | the breakdown of paragonite. The importance of pyrophyllite as a source of AI,SiO, polymorphs is limited...has proved that paragonite is widespread and pyrophyllite is absent in the aluminous metapelite (Okuyama...U N O S E Table 3. (continued) Paragonite Pyrophyllite 509-04 Sample Assemblage 906-21 A1 SiO,...is a decomposition product of paragonite, not pyrophyllite as is commonly assumed. In the observed assemblages...with paragonite rather than pyrophyllite. The occurrence of pyrophyllite is limited to lateritic metapelite |
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