| | Journal (article/letter/editorial) | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...diameter have been noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS...produced excellent gem tourmalines. The most noted occurrences in Maine are Mt. Mica at Paris, Mt. Apatite at...California has a large number of gem tourmaline occurrences in the pegmatites of San Diego and Riverside | | | Journal (article/letter/editorial) | Variscan and pre-Variscan ore deposits Ore minerals occurrences Ore-forming processes a b s t r a c t The Karkonosze–Izera...Massif, in which ore deposits and ore minerals occurrences are related to the successive episodes of the...processes. The oldest ore deposits and ore minerals occurrences of the Karkonosze–Izera Massif are represented...the Izera–Kowary Unit. All these deposits and occurrences were subjected to the pre-Variscan regional metamorphism...the Karkonosze–Izera Massif ore deposits and occurrences are related to the Karkonosze Granite intrusion | | | Book (edition) | i | i) " és ty “d are °«=a = °.ef +.. { = im Sins co! Darin’ Mi norte Carey (pd oe AP ...additional observations on tests and mineral occurrences that can be included in later editions of this...which cut through the strata, giving isolated occurrences of igneous rocks in a great sedimentary terrain...its associate, the very coarse variety known as pegmatite (see P1. 6, 2). The rock collector’s variety will...may range from Me to %in. (1 mm-1 cm) or more. Pegmatite is the name for a very coarse granite (see Pls | | | Book (edition) | additional observations on tests and mineral occurrences that can be included in later editions of this...that cut through the strata, giving isolated occurrences of igneous rocks in a great sedimentary terrain...its associate, the very coarse variety known as pegmatite (see Pi. 6, entry 5). The rock collector's variety...range from a millimeter to a centimeter and more. Pegmatite is the name for a very coarse granite in which...dioritic rock composed almost entirely of feldspar; occurrences in the Adirondacks, in Finland, and in Labrador | | | Book (edition) | additiona l observations on tests and on mineral occurrences which can be included in later editions. There... Fluorite (octahedron), Sylvite, Atacamite 5 Pegmatite Quarry and a Traprock Quarry : 6 Iron, Arsenic...Schist 317 44 Sedimentary Rock Outcrops and a Pegmatite Quarry 45 Gummite, Uraninite, Autunite, Uranium...which cut through the strata, giving isolated occurrences of igneous rocks in a great sedimentary terrain...its associates, a very coarse variety known as pegmatite. The rock collector’s variety will be as limited | | | Book | synthe- including gems, the and on natural occurrences, collector’s specimens, John scholarly monograph...Poisons and Venomous Bites, Pregnancy, 127 Austria, Vision and Diseases of the Epilepsy, 124 Russia...Treatment for Cabochons, Australia, 363 331 Austria, Beryl Carvings, 332 Faceted Gems, and Gems...Dr. K. CA; Milton Switzerland; Hans Stern, Austria; the United States and its several branches and...library at Res- CA; Victoria and Albert Mu- Austria; David P. Wilber, Fallbrook, AZ; and Miriam and | | | Book | Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. Komínek (Czech Republic), I. Bojkov...uranium districts, deposits, and noteworthy occurrences organized by countries. For the sake of comprehensiveness.... . . . . . . . . . . . . . . . . 1 Chapter 1 Austria . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 2.1.1 Bukhovo District .. . . . . . . . . . . . . . . . . . . . . . .... . . . . . 3.1.1 Jáchymov (St. Joachimsthal) District, Northwest Bohemia . . . . . . . . . . . . . | | | Book | William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature. One...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock | | | Book (volume) | California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...associated species related to their individual occurrences, and unique scientific information may be derived...anastomosing beds, debouching streams, etc. Occurrences which are located have been mapped in the cited...will be described according to their specific occurrences, frequently with sufficient detail to note the...usually demonstrate the morphologies discussed. Occurrences which have not been personally viewed will rely | | | Journal (volume) | Geological Society M ca Mineralogical Society of Austria International Mineralogical Association Mineralogical...(Romania) (Austria) (Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania)...(Romania) (Hungary) (Austria) (Bulgaria) (Hungary) (Hungary) (Hungary) (Romania) (Hungary) (France) (Czech...Africa) (Austria) (France) (Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania)...trip Subcommittee Friedrich Koller, Co-Chairman (Austria) Ferenc Molnár, Co-Chairman (Hungary (see the inside | | | Book | descriptions of properties or with listings of occurrences has not been included because of the availability.... . . . 165 180 182 Chapter 5: RADIOACTIVE PEGMATITE DEPOSITS Geological Characteristics of Pegmatites...483 486 Contents xiv Other United States Occurrences . . . . . . . . . . . . . . . . . . . . . . ...thorium, which aTe strongly concentrated in the upper lithosphere, are markedly oxyphile elements occwTing...Aln1ost in all cases metamict; two non-metamict occurrences of fergusonite are documented Samarskite-yttrotantalite | | | Report (issue) | greater measure of critical judgment regarding occurrences than was made by Ziegler is necessary in a work...two decades has checked essentially all of the occurrences and the literature of the minerals of the Black...identifications. Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James...addition to the Black Hills proper. important occurrences from the Bad Lands and indeed all of South Dakota...the pertinent literature, and the important occurrences. In the appendix all known mineral locality names | | | Report (issue) | Blue Ridge province _____________ _ Spruce Pine district ____________ Madison County and Haywood County...County _____________________ _ Zirconia district ___________ ----Macon, Jackson, and Clay Counties __ ----...western monazite belt in the Piedmont province___ Occurrences in the central Piedmont province_________________________...Quartz Monzonite and microcline-oligoclase-quartz pegmatite, and from unweathered vein quartz exposed in Cleveland...northeastern coast of New South Wales. Monazite occurrences in New Zealand are not economic sources for the | | | Report (issue) | of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines and Geology...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph... Davis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References ...Nightingale district Quartz epimorph after Calcite Agardite Grossular, Buena Vista district Quartz (amethyst)...Orpiment inclusions Calcite, Getchell Mine Robinson district inclusions inclusions Realgar and Fluorite Rhodochrosite | | | Book | Activity, 59 60 55 xii CONTENTS Chapter 4 UPPER PALEOZOIC by D. J. Gobbett NORTHWEST MALAYA,...Formation, Gunong Pulai member, 104 MIDDLE AND UPPER TRIASSIC, 97 101 103 106 144 Fossils and Age...Panjang member, Kodiang Limestone, 120 Middle to Upper Triassic Granite, Synthesis, 121 76 Summary, ...Petrography, UPPER PALEOZOIC TO LOWER MESOZOIC 187 GRANITE, Epizone, 185 209 Lower Paleozoic, 209 Upper Paleozoic...TO Petrology of the Intrusive Rocks, ACTIVITY Upper Perak-Grik Area, Selangor, JURASSIC Petrology | | | Report (issue) | of M ining Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...A. Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG...Mountain Mine Grossular, Nightingale district Grossular, Buena Vista district Gypsun1 Heterogen ite He½•eltite...Magnesio-axinite Malachite Malachite and Azurite, Robinson district Malachite after Azurite, Mount Potosi Marcasite | | | Book | catastrophe: A1ow11Pelee and the desrruction ~ 5 im-Pierre. Jfartinique Al\\yn Scarth Monitoring the...in edutainment and , i,itor :nt·.!:.I~i·,1::.cor:,:im.: space nee taken up by specimens. Fortunatdy. ther....-s :,J r.:port too, ,, ith the n:di co, ery and im estigati, e cataloguing of an historic rr.ir;.:ralcull...MB/ are a series of maps to give the mineral occurrences both a spatial and geological context, and some..."British" species. A further 11 British first occurrences have since been recorded from specimens held | | | Report (volume) | 6. L. R. , 6. Mineralogy, chemical, problems: Pegmatite phosphates, problems: Fleischer, M., 6. Fisher... 7. Southeastern, test wells, map: Cretaceous, Upper: Miss. Geol. Jordan, L., 3. Soc., 7. ! Southwestern...Colbert County, Silurian-MississipMississippian, Upper: Welch, pian, aquifers: Harris, H. B. S. W., 3....Petroleum areas, stratigraphic Fayette County, Upper Cretaceous: features, generalized: PatDrennen, C... 1. Selma group, Cretaceous, eastLamar County, Upper Cretaceous: ern: Eargle, D. H., 1. Drennen, C. W | | | Book (volume) | facing a direction that is taken as north). The upper polarizer, when inserted into the tube of the microscope...refraction of an anisotropic material, first insert the upper polarizer. The grain of interest will normally show...stage until the grain becomes extinct. Uncross the upper polarizer and estimate the index of refraction....into position for estimation by reinserting the upper polarizer, rotating the grain to the next extinction...extinction position (at 90°), and then removing the upper polarizer. If there is a significant index difference |
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