 | | Report (issue) | | Mica Deposits of the Blue Ridge in North Carolina GEOLOGICAL SURVEY PROFESSIONAL PAPER 577 Work done...done in part in cooperation with the North Carolina Department of Conservation and Development and in part...Administration Mica Deposits of the Blue Ridge in North Carolina By FRANK G. LESURE GEOLOGICAL SURVEY PROFESSIONAL... Work done in part in cooperation with the North Carolina Department of Conservation and Development... Geologic map of part of the Blue Ridge of North Carolina and Tennessee. 2-6. Maps showing location of |  | | Journal (issue) | | world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed...(c) = currently closed to collecting ALBEMARLE COUNTY Alberene soapstone quarry-Alberene actinolite-tremolite...limonite pseudomorphs after pyrite, siderite Faber lead mine-near Faber cerussite, chalcopyrite, fluorite, argentiferous...topaz, tourmaline, triplite Trueheart pegmatite mine (f)-near Amelia beryl (var. aquamarine), microcline |  | 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...Knoxville l°x2° quadrangle, Tennessee, North Carolina, and South Carolina 2. Paleozoic metamorphic facies map |  | | Report (issue) | | ___ History _ _________________________________ Mine workings and mining methods _ ________ Production...________________________ Upson County ___ _ ________________________ Bell mine. _____________________________...Partridge mine. ________________________ Maze prospeets______ ___________________ Atwater mine __________________________...__________________________ Corley mine _ _ _ _______________________ Corley prospects _ _ ____________________..._ Boyt mine _____________________________ Zorn mine _____________________________ Young mine __ _ __ |  | | 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 |  | | Journal (article/letter/editorial) | | calc-alkalic type occur north and northeast of Stove Mountain, with concentrationson a ridge north of Fairview and...area, primarill' near Crystal Park, three miles north of Kineo Mountain. Best €xposuresare in prospect... usually less than six feet thick. They strike north-northwest and dip gently east. A few contain miarolitic...microcline, and a wall zone ol quartz and microcline-perthite. Uncommonly small red-brown zirconsare attached...of this zone smoky qrartz crystals,microcline-perthite, and commonly arnazonite cr.vstals project into |  | | Journal (issue) | | Winter Branch Chairmen: Midlands - G.M. Green, North West - I. Knight, Scottish - B. Jackson, South West...cat's-eye caused by an albite-oligoclase orthoclase perthite. Four-rayed star tourmaline (bicolour elbaite)...and SG values, the feldspar could be orthoclase, perthite (albite - oligoclase orthoclase intergrowths)...diffraction of a powder scraping proved the stones to be perthite with more albite than orthoclase. abundant 'trichites'...the eastern flank of the Sudete Mountains of the north-east Bohemian Massif. They occur on the southeastern |  | | Journal (issue) | | Collins The Lake Clear-Kuehl Lake area, Renfrew County, Ontario.........................................and descloizite from the Chalk Mountain mine, Churchill County, Nevada .................................subscription = $44 195 Photo: Fishtail selenite mine in Coahuila, Mexico We don’t claim to be the largest...(such as the Blanchard mine, NM; Ojuela mine, Mapimi, Durango, Mexico; New Nevada mine, Batopilas, Chihuahua...Chihuahua, Mexico; and the San Fran cisco mine, Sonora, Mexico). We also have an active acquisition program |  | | Report (issue) | | under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority Physical...under a cooperative agreement with the State of North Carolina and the Tennessee Falley Authority UNITED...Production of sheet and punch mica, 1912-14, in North Carolina, the Southeastern States, and the entire United...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results..._______________ 13. Test data for mica (not identified by mine), taken from the production line of the Colonial |  | | Journal (article/letter/editorial) | | ISOTOPE SYSTEMATICS OF GRANITIC PEGMATITES FROM NORTH AMERICA AND NORWAY BRUCE E. TAYLOR* and HANS FRIEDRICHSEN...isotope systematics of granitic pegmatites from North America and Norway. Isot. Geosci., 1: 127-167. Oxygen...up to 2.0%0 between pegmatite dikes in San Diego County, California, U.S.A., can also be explained by exchange...the San Diego County pegmatites (B.E. Taylor et aI., 1979). 129 localities in North America and Norway...and interior to dike +10.5 H-lO microcline perthite crystals with cleavelandite + qtz in cavity in |  | | Report (issue) | | west of Highway 38 Freebern mica mine Mobey (Burnham) mine Enterprise mine Sand Road (Card) quarry Dwyer...Road Kingston (Bedford) mica mine Richardson feldspar mine Glendower iron mine Road-cut at km 10.9, Westport...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 Eagle Lake (Blessington) mine Sharbot Lake...(Frontenac Draper Lake) lead mine Lacey mica mine Stoness mine Matthews mine Feldspar quarry on Kingston-Westport-Perth |  | | Journal (article/letter/editorial) | | (Sar-e-Sang, Badakhshan province), Canada (the Main and North occurrences, Lake Harbour, Baffin Island [9]), and...in Colorado [11], San Bernardino county [12], and the Big Horn Mine in California [6, 13], Zardalek massif...as follows (Fig. 3): (I) leucocratic microcline–perthite granite with oligoclase, (II) narrow phlogopite...lensshaped lodes are hosted in orthoclase–microcline–perthite hornfels containing albite and quartz. The lazurite...rocks. Abyssal lazurite deposits were also found in North America. They occur near Harbour Lake, Baffin Island |  | | Journal (article/letter/editorial) | | Sciences, University of Chicago, Chicago, I1 60637, USA Abstract. Sapphirine-bearing granulites, together...adjacent Orange Free State (Griffin et al. 1979; Lock 1980) and the area north of Victoria West, Cape Province...kimberlites penetrating the Archaean Kaapvaal craton (Griffin et al. 1979). Alternatively, if the granulite suite...1981), some factor has prevented their sampling (Griffin et al. 1979). (The reported Offprint requests to...metasediment xenoliths in the kimberlite of the Voorspoed Mine, Kroonstadt district, which is on the craton (Hawkesworth |  | Zhang, C., Yu, J., O'Reilly, S. Y., Griffin, W. L., Qian, J., Liu, Q., Lou, F., Zhou, X., Shen, L. (2016) Granulite facies xenoliths from the Yuhuashan complex, central Jiangxi, South China: constraints on Late Palaeozoic orogeny and middle-lower crust components. Journal of Metamorphic Geology, 34 (1) 45-61 doi:10.1111/jmg.12170 | Journal (article/letter/editorial) | | components C. ZHANG,1 J. YU,1,2 S. Y. O’REILLY,2 W. L. GRIFFIN,2 J. QIAN,1 Q. LIU,1,2 F. LOU,3 X. ZHOU1 AND L...collected from the Taoxi granite quarry in Xingan County (N27°480 03.72″, E115°360 54.18″, Fig. 2), and...Mineral assemblage Taoxi granite quarry in Xingan County N27°480 03.72″ E115°360 54.18″ Huaitian–Chengshang...muscovite; Pl, plagioclase; Kfs, K-feldspar; Per, perthite; Qz, quartz; Chl, chlorite. microstructure and...retrograde plagioclase and biotite aggregate between perthite and mafic minerals. (c), (d) and (e) Garnet retrograde |  | | Report (issue) | | . . . . . . . . . . . . . . . . . Freebern mica mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . Mobey (Burnham) mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Enterprise mine . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . Kingston (Bedford) mica mine . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . Richardson feldspar mine . . . . . . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | ____ Districts in Appalachia__________________ North Carolina_____________________ South Carolina_____________________...___________ Ne~ 1:ork_________________________ North Carolina__ _ ________ __ ______ __ Ohio________...Georgia_________________ Deposits in North Carolina__________ Deposits in South Carolina and Virginia____________________________...pinnacles beneath soil cover, Bluegrass, Highland County, Va_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...transverse joints cutting shale at Poverty, Highland County, V a_ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |  | | Journal (article/letter/editorial) | | bordered by the Qinling–Dabie orogenic belt to the north, the Tibetan Block to the west, and the Indochina...NNE–SSW-trending belt that contains five main plutons (from north to south): the Putuoshan, Dadong‘ao, Daqingshan...include quartz (30–35 vol.%), ACCEPTED MANUSCRIPT perthite (50–55 vol.%), plagioclase (10–15 vol.%), minor...texture. The pluton contains quartz (35–40 vol.%), perthite (50–55 vol.%), plagioclase (5–10 vol.%), and minor...twinning and is occasionally enclosed by quartz and perthite (Fig. 3c). Some plagioclase is clearly zoned with |  | | Book | | CHAPTER 8 Tennessee 8 7 6 CHAPTER 10 South Carolina ......... _ .......... _ _ .... ____________________............._........... 7 3 6 CHAPTER 9 North Carolina 4 2 3 3 9 6 3 CHAPTER 1 GEM H U N T...g e s w h i c h c r e s t a t M t . N o r t h Carolina, a n d C l i n g m a n ' s Dome, Tennessee. Because...was m e r e l y p a r t o f t h e waste o f t h e mine. W h a t t h e y needed was h i g h grade ore o...n d m 1799 i n Cabarrus C o u n t y, N o r t h Carolina, b y a s m a l l b o y w a l k i n g along a m |  | | Journal (article/letter/editorial) | | Rosalie lobe (an outlier north of the North Fork of the South Platte River in Park County) to the Canon City...Timberline tunnel at Rock Creek on the south to North Cheyenne Canyon. It strikes N. 55' E. and dips 56"...on the north-facingslopealong the ridge west of St. PetersDome. The joints trend mainly north-northwest...1. The most abundant constituent is microcline-perthite, which displays all stages of replacement by oligoclase...15-1A pg 72-2 gd 66-15 ap 71-10 Quartz Micro-perthite Anorthoclase Plagioclase Biotite Hornblende Riebeckite |  | | Journal (article/letter/editorial) | | meu~, MI, frem late a l ~ ftck~, M~'flbmSte' in mine me~apeSti¢seh/stsla~tipae/ss~ al B r o ~ Hill, A...in a pro6mde melamo~phand p e i s s e s from North Mine, Broken Hill; C~e ism. That i~, after the formation...(0.2 to 0.6 mini in a granoblastic aggregate of perthite, quartz, plagioclase, garnet a n d biotite. Grain...'fibrolite' containrag: (I) deformed and kinked MI perthite grains and 12) diamond-shaped sillimanite cwstals..."fibrolite' the grain boundaries of sillimanite and perthite are well adjusted, whereas sillimanite grains |  | | Journal (article/letter/editorial) | | consists of oligoclase, K-feldspar (microline and perthite), primary muscovite, biotite, and quartz. Table...and transitional granitoids are more predominant north of the T.22N. T.23N. geographic boundary, whereas...replacement of K-feldspar phases (microcline and perthite) by sodic oligoclase. Figure 3 a exhibits the...2 Ab 3.6 An 0.2 93.3-100.0 0.0- 6.1 0.0- 0.6 Perthite (Ko.901Nao.o Or 91.6 Ab 8.3 An 0.1 90.8- 92...S-muscovite Sericite Microcline (with replacement) Perthite (with replacement) Myrmekite Epidote Accessory | | | Report (issue) | | of Highway Freebern mica mine 8 y Mobey (Burnham) mine 9 Enterprise mine 10 38 38 Sand Road (Card)...(Bedford) mica mine 12 13 14 14 1D 1 16 16 17 Richardson feldspar mine Glendower iron mine Road-cut at...Hickey-Murphy lead mine Road-cuts at km 16.7, Westport Road McLaren phosphate mine Long Lake blue calcite...calcite occurrence Long Lake zinc mine Gabbro quarry Road-cut on Highway 38 at km 57.6 17 brucite occurrence...occurrence 18 Eagle Lake (Blessington) mine 18 Sharbot Lake road-cuts on Highway 19 ie, 38, kr 72 |  | | Journal (article/letter/editorial) | | formation of the ~1.74 Ga Damiao Fe–Ti–P ore deposit, North China Wei Terry Chen • Mei-Fu Zhou • Tai-Ping Zhao...Abstract The *1.74 Ga Damiao anorthosite complex, North China, is composed of anorthosite and leuconorite...melanorite, mangerite, oxide-apatite gabbronorite, perthite noritic (i.e., jotunitic) and ferrodioritic dykes...Immiscibility Massif-type anorthosite Nelsonite North China 123 1342 Contrib Mineral Petrol (2013)...deposit is hosted in a *1.74 Ga anorthosite complex, North China (Zhao et al. 2009), and has been mined since |  | | Journal (article/letter/editorial) | | Iddnn 5, 1972. 281-306 Braid perthite in nepheline syenite pegmatite, Langesundsfjorden, Oslo Region...R B. R A M B E R G Ramberg, L B. 1972: Braid perthite in nephdit~ syenite peilmmite~ Lang,emm¢~ fjorden...ire ~ ~d to ttt0) and (frO)) and micro braid perthite (lamellae parallel to (~J61) and (~1)) from Permian...and a nmrginal zone of plagioda~ Both types of perthite are metmpertMdc and compmed of nuucimum nacrodine...& Kinser (1939). In addition to the microcline perthite the HtOya pegmatites usually contain plagioclase |  | | Journal (article/letter/editorial) | | 1 Ga) and Caledonian (460–350 Ma) times (e.g. Griffin et al. 1978) resulted only in incomplete retrogression...charnockites), anorthosites and gabbros at *1.8–1.78 Ga (Griffin et al. 1978; Corfu 2004). At this time, the area...feldspar and albite (Willaime and Gandais 1972). Vein perthite describes albite lamellae that form sinuous bands...Right Details of the feldspar with film and patch perthite microtextures (dark grey albite, light grey Orrich...‘f’ are enclosed in the Or-rich feldspar film perthite. c Sample GM 109. An overview of a feldspar grain |
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