 | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine, Beryl, some Ruby-red...areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on...mi. region surrounding this town contains many pegmatite dike minesMica minerals, Quartz crystals, Aquamarine...chalcedony, Kyanite, jasper. POWDER SPRINGS, S 2 mi., outcrop on Turner propertyCorundum. CRISP COUNTY CORDELE...COUNTY smoky). ATLANTA, Emory University, area pegmatite outcropsQuartz crystals (clear, BARNESVILLE |  | | Book (volume) | | prehistoric Indians from lead producing areas of the upper Mississippi Valley. Not a county in Alabama but...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...bank of a creek in the Hillabee schist⎯Arsenic, Arsenopyrite, Chalcopyrite, Copper, Gold and Pyrite; (b)...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | | Book (volume) | | prehistoric Indians from lead producing areas of the upper Mississippi Valley. Not a county in Alabama but...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...bank of a creek in the Hillabee schist⎯Arsenic, Arsenopyrite, Chalcopyrite, Copper, Gold and Pyrite; (b)...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | | Journal (article/letter/editorial) | | Avenue Littleton, Colorado 80122 Four Obscure Pegmatite Mineral Localities in Oxford County, Maine Oxford...dumps of peg matites in the Maine pegmatite belt. The famous pegmatite quarries of western Maine—Mt. Mica...mining of these pegmatite dikes since the 1920s. The excavations are on three parallel pegmatite dikes, striking...white), green manganoan fluorapatite, columbite, arsenopyrite, and green tourma line. The pollucite was estimated...or covered by vegetation (thus obscuring the pegmatite mineralogy), the dumps are virtually untouched |  | | Book (volume) | | Illinois geology. These measures constitute the Upper Carboniferous system of repeated alterations of...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best...Hexagonaria corals. The famed Keokuk Geode Beds outcrop in a broad area around the jct. of the Des Moines...the Tri-State District, where Kansas, Missouri and Oklahoma join boundaries. This district is interesting...about 7 mi., in old Saline Quarry (2 mi. W of Bavaria) ⎯Barite roses. SHAWNEE COUTNY TOPEKA, in glacial |  | | Book (volume) | | Illinois geology. These measures constitute the Upper Carboniferous system of repeated alterations of...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best...Hexagonaria corals. The famed Keokuk Geode Beds outcrop in a broad area around the jct. of the Des Moines...the Tri-State District, where Kansas, Missouri and Oklahoma join boundaries. This district is interesting...about 7 mi., in old Saline Quarry (2 mi. W of Bavaria) ⎯Barite roses. SHAWNEE COUTNY TOPEKA, in glacial |  | | Journal (article/letter/editorial) | | Pegmatite Minerals Downloaded by [Texas A & M International University] at 18:50 05 September 2015 ...micromounter for more than thirty years, with pegmatite minerals being a special interest. Thomas Mortimer...explored more carefully the phosphate-blackened pegmatite walls and boulders. Little by little we came to...which would be remarkable because the Chickering pegmatite is much smaller. Location The Chickering mine...abundant feldspar. As were so many of the early pegmatite mines, it was probably an intermittent, seasonal |  | | Book (volume) | | ......................258 Missouri – New Lead District Map .........................................................325 New Jersey – Franklin Mining District Map ............................................Texas – Fluorite in the Terlingua Quicksilver District .................................455 Texas – Sulfur..............502 Vermont – Orange County Copper District Site Map ...................................503...prehistoric Indians from lead producing areas of the upper Mississippi Valley. Not a county in Alabama but |  | | Book (volume) | | for gems and gemstones: quartz family minerals, pegmatite crystals, Turquoise, agatized and opalized wood...minerals; (b) toward S end of the Pine Nut Mts., area pegmatite outcrops Thulite (pink Zoisite), Topaz; extreme...Silver, Platinum. ELKO COUNTY CARLIN: area pegmatite outcrops in surrounding hillsRose Quartz; nearby...Zinc minerals; W 3 mi., past the city dump, an outcrop, massiveopalite; W and SW 7 mi. by various jeep...primarily interests the gem collector because of its pegmatite mines, quarries, and exposures which yield top |  | | Journal (article/letter/editorial) | | mineral composition of the nepheline syenite pegmatite from the Sahar jok Intrusion has resulted in...identified in the Kola region for the first time. The pegmatite body at the contact between nepheline syenite...United States). Mimetite was found in the same pegmatite of the Saharjok intrusion. It forms unusual parallelfibrous...of primary miner als (meliphanite, galena, arsenopyrite, and loellingite). The secondary phases freely...essexite with the formation of fenite halos and pegmatite veins. Syngenetic pegmatoid aggregates and veins |  | | Book (volume) | | although excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces...colored Vanport flint of the Flint Ridge and the Upper Mercer flint exposed in Hocking, Perry, and Coshocton...HOCKING COUNTY AREA exposures throughout Co. of the Upper Mercer horizon, commonly represented by black flint...townships of Decatur, Elizabeth, Perry, Symmes, Upper and Washington, as nodules in limestone exposures⎯flint...outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper Mercer horizon exposed along an old rd. in SE part |  | | Book (volume) | | although excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces...colored Vanport flint of the Flint Ridge and the Upper Mercer flint exposed in Hocking, Perry, and Coshocton...HOCKING COUNTY AREA exposures throughout Co. of the Upper Mercer horizon, commonly represented by black flint...townships of Decatur, Elizabeth, Perry, Symmes, Upper and Washington, as nodules in limestone exposures⎯flint...outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper Mercer horizon exposed along an old rd. in SE part |  | | Report (issue) | | Selenite crystal, Morden Selenite crystals on shale outcrop, Morden Bimessite and rancieite, La Riviere xiii...area and adjacent Ontario. The Winnipeg River pegmatite field presents a diverse mineral assemblage including...41 I/11 Chelmsford (G): 2491 Sudbury, Sudbury District, Sudbury Municipality (O.G.S., 1:50 000) Occurrences...I/10 Capreol (G): 1957-5 Falconbridge Township, District of Sudbury, Ontario (O.G.S., 1:50 000) Wanup... Plate3 Wanup quarry. (GSC 163117) In granite pegmatite Pink K-feldspar, white plagioclase feldspar and |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...Country Australia Canada China Czechoslovakia France Germany Japan Italy Mexico Namibia USSR USA Zaire Total...explorers to the native copper deposits of western Upper Michigan, but it wasn’t until about 1844 that the...at the southwest end of the district. The great native copper belt of Upper Michigan occurs in a series...conglomerate. The major lodes or mines in the district were designated as amygdaloidal or conglomerate |  | | Book | | the heart of the then most prolific metal-mining district of Central Europe. He had grown up with a boy’s... Plagioclase Giant nent Large crystals of Pegmatite Light grains promi- Quartz present Diorite...(distinct crystals in a fine-grained base). Pegmatite A an igneous rock which sometimes takes on the...and water vapor. Under great pressure molten pegmatite material is squeezed into fractures in the overburden...overburden to expose these veinlike or dikelike pegmatite is forms as parallel structures, often concentric |  | | Book (volume) | | which also produced a most remarkable series of pegmatite dikes ranking with those in Maine and Southern...Hills Dist. Includes both Veins and the extensive pegmatite dike exposures and mines. BON HOMME & CHARLES...Needles Eye Tunnel, on the W side of Hwy. 87Arsenopyrite, Fluorapatite (fluorescent orange). BUFFALO...on US Alt. 16 for 15 to 17 mi. (near Rte. 79), pegmatite outcropsRose Quartz; S along US 385 for 32...Spodumene, blue-green Tourmaline; Gayle Royal Flush pegmatite, 5.9 mi. SE Amblygonite. FAIRBURN: NW about |  | | Corporate Document | | intrusions occurred during this period. • The Upper Group appears to be preserved in the major synformal...marks the base of the unit. Towards the top of the Upper Group, fine-grained siltstones and shales with occasional...sericite ± albite; rare fuchsite; Fe sulphides ± arsenopyrite, stibnite Quartz veining; intense silicification;...+ calcite, K-spar or albite; Fe sulphides ± arsenopyrite; chalcopyrite, sphalerite, galena, molybdenite...western edge of the Lugushwa concession hosted in a pegmatite swarm. To the north west and the south east of |  | | Book (volume) | | gold-quartz vein 30. Banded pegmatite veindike, Georgetown 31. Banded pegmatite veindike in granite Dike...MacNamara 34. Compression of pegmatite veindike, Manitoba Compression of pegmatite veindike, Manitoba Detail... 35 Differential flowage in gneiss, shown by pegmatite crumpling, 35. 36. 37. vein at . . . . ...Helvetia, Arizona Difference between aplite and pegmatite magmas Zimapan, Hidalgo, Mexico. An example of...gradation of granites and alaskites shows that the pegmatite magma is a variation or residuum of the granite |  | | Report (issue) | | .............................176 South Branch (Upper Stewiacke) mine..............................................................................179 Upper Musquodoboit quarries......................................................254 Dean and Chapter (Upper) mine........................................................................................357 Upper Blandford occurrences........................................................................358 Upper Tantallon occurrence........................... |  | | Book (edition) | | of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...Colorado at the Pelican Dives m.ine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...Cripple Creek district. It is also found in Canada; Mexico; Bolivia; Czechoslovakia; Norway; Germany; Tsumeb;...occurrences are found in Chile, Italy, France, Germany, Turkey, and Algeria. SELECTED REFERENCES: Palache...Califo1nia; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island | | | Book (edition) | | of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...Colorado at the Pelican Dives mine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...Cripple Creek district. It is also found in Canada; Mexico; Bolivia; Czechoslovakia; Norway; Germany; Tsumeb;...occurrences are found in Chile, Italy, France, Germany, Turkey, and Algeria. SELECTED REFERENCES: Palache...California; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island |  | | Report (issue) | | TIN RESOURCES OF THE KINGS MOUNTAIN DISTRICT, NORTH CAROLINA AND SOUTH CAROLINA. By ARTHUR KEITH and...B. STERRETT. INTRODUCTION. The Kings Mountain district, in which the tin ores here described are found...mapped by the United States Geological Survey. The district is almost equally divided between North Carolina...in 1908 and in subsequent years up to 1914. The district has also been examined in detail by Mr. Keith...of the region. GEOGRAPHY. The Kings Mountain district is in the central part of the Piedmont Plateau |  | | Report (chapter) | | area . Lucy pegmatite. Results of the drill program . ..... . .. . . . Artdon pegmatite Subsurface pegmatite..... . . ... . . Molly and Bendum claim s Deer pegmatite , West Hawk Lake. . . . . . . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . . Beryl pegmatite north of Telford. 7 7 9 9 12 12 12 15 16 17 17...Lake/Cat Lake areas General statement 19 19 Pegmatite dykes in the Pointe du Bois area (Lac du Bois...Lamprey Falls) Lac du Bois pegmatite K-1 pegmatite . Lucky NO.3 pegmatite Pine claim , Winnipeg River |  | | Journal (article/letter/editorial) | | ores. The territory of the cluster occupies the upper reaches of the right tributary of the Timpton river—the...(chalcopyrite)–Fe, PbS (galena)–Pb, and FeAsS (arsenopyrite)–As. Element detection limits (wt.%) for the...channel andformations: low floodplain alluvium; 3—Upper Quaternary deposits: floodplain, channel, above...syenites; 5–7— nel and low floodplain alluvium; 3—Upper Quaternary deposits:andfloodplain, abovestocks:...and granite gneisses; 12,13—Kurikan Formation: 12—upper subformation (hypersthene and biotite–hypersthene |  | | Book (volume) | | stratigraphy and structure of the rocks of the district, sedimentary, igneous, and metamorphic; (3) the...a stratigraphie et la structure des roches du district (roches sédimentaires, ignées et métamorphiques);...Skellefte District, all the deposits of which are located in Västerbotten province. This district is here...evidence for 1 the truth of what Barnes says about the upper limit of the importance of H S " in hydrothermal...space and funds3 geologic mays of the various district in this volume have been omitted. Such maps can |
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