 | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......geological settings for diamonds, sapphires, rubies, zircon, topaz, tourmaline, garnets, quartz and many other...Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron...70593 California, USA This n otable Australian pegmatite locality has produced a range of lithium minerals...the Western Australian outback, an abundance of pegmatite fields stretch from the fiercely hot and arid |  | | Journal (article/letter/editorial) | | species at this locality is currently under way. ZIRCON F R O M T H E WAUSAU C O M P L E X , MARA THON...Rib Mountain pluton, and the Nine Mile pluton. Zircon is an accessory mineral throughout the complex...deep purple fluorite in lenses up to 20 cm across. Zircon also occurs in the massive zones of pegmatites...throughout the Wausau complex. I n the massive pegmatite, it commonly forms brown prismatic crystals surrounded...interior zones of pegmatites in the Stettin com plex, zircon occurs as very beautiful and sometimes clear crystals |  | | Journal (article/letter/editorial) | | MINERALOGY OF AN EVOLVED DICKINSON COUNTY, MICHIGAN, PEGMATITE. T. W. Buchholz1, A. U. Falster 2, W. B. Simmons2...(1961) documented approximately ninety known pegmatite occurrences in central Dickinson County in the...Upper Peninsula of Michigan. A small beryl-rich pegmatite was investigated to describe its mineralogy and...determine its degree of geochemical evolution. The pegmatite is emplaced in Lower Proterozoic metamorphic rocks...probable that the pegmatite is late- to post-Penokean in age. Local control for pegmatite emplacement appears |  | | Report (issue) | | William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...diameter; Ohigashi, Japan; and in Dronning Maud Land, Antarctica, where meter long blue green crystals are...the world's largest known beryl crystal is a pegmatite at Malakialina, Madagascar, which produced one |  | | Journal (article/letter/editorial) | | Hampton submitted several samples from an unnamed pegmatite feldspar mine in Middleton. Two of the specimens...smokey quartz, lepi dolite, pink elbaite, altered zircon, uraninite, and what has proved to be fluorapatite...quarry at Glendale has produced a large variety of pegmatite phosphate minerals. Among these is the species |  | | Book | | Roland Bouhelier in 1973 from the "Bouhelier pegmatite", and shortly thereafter acquired by the Canadian...Organic compounds 491 Partially studied and unnamed MSH minerals 494 Gemstones 514 Pseudomorphs...Mineralogical Association of Canada. On behalf of the MAC and also speaking personally, I acknowledge the generous... anada, the world's second largest country by land area, possesses enormous mineral wealth. It has...an accumulated repository of partially studied (unnamed) minerals. This is likely to continue for many |  | | Report (issue) | | Physiography and surficial deposits .......... Origin of land forms ............... Petrology and petrography..... 42 ?. Muscovite in the vail zone of the pegmatite in tha Meadow mine, Avery Co. ..................area in the northeastern part of the Spruce Pine pegmatite district* on the Blue Ridge upland in western...Geological Sorvey Professional Paper describing pegmatite* in the Blue Iddge Province* In 1948, the general...northeast and forms the eastern and southeastern border of the Spruce Pine pegmatite district. A detailed |  | | Book (volume) | | Commissioner, Maine Department of Conservation, Station #22, Augusta, ME 04333; Telephone (207)287-2211...California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...(1958), and Maine Mines and Minerals: Volume 2 - Eastern Maine by Morrill and Hinckley (1959) are also recommended...Mine in Topsham: both are small open pits in pegmatite. Morrill et al. (l 958) relieves the problem by...standard labeling procedures when they collect at unnamed sites. Locality data should be referred to nearby |  | | Journal (volume) | | INSIDE THIS ISSUE: • The geology of Double Rock pegmatite • The Kemble family, long-term Franklin mineral...(201)933-3029 COMMITTEE CHAIRPERSONS LIAISON WITH THE EASTERN FEDERATION OF MINERAL AND LAPIDARY SOCIETIES (EFMLS)...Photos From the Field 11 Geology of Double Rock Pegmatite From the Buckwheat Open Cut, Richard A.Volkert...sponsored by •"="-•=_.., FOMS is a member of the Eastern FederaMineralogical and Lapidary Sociel:jeSj |nc...Museum 8:00 A.M. to Noon — FOMS Field Trip — Eastern Concrete Materials Quarry, Hamburg, NJ. Buckwheat |  | | Journal (issue) | | danburite, forsterite, fluorapatite, topaz, quartz and zircon, plus rare species like hibonite, johachidolite...crystals of red spinel, topaz, aquamarine, peridot, zircon, fluorapatite and enstatite, and among its other...gentler, and to the west of the Stone Tract the land smoothly declines as far as the bank of the Ayeyarwady—...disembarked in the fishing village of Thabeikyin on the eastern bank of the Irrawaddy, then switched to overland...Shan ruler of Momeik, in exchange for a wedge of land containing the future site of Mogok; to this day |  | | Journal (issue) | | localities: The Bishop copper prospect near Lynch Station, Campbell County, Virginia . . . . . . . . . ....localities: THE BISHOP COPPER PROSPECT near Lynch Station, Campbell County, Virginia Henry Barwood Route...the world: the Bishop copper prospect near Lynch Station, Virginia. At least 26 other locations worldwide...mineralogy of the site commonly known as the Lynch Station, Virginia turquoise crystal occurrence. Many collections...prospect is located about 1 mile west of Lynch Station in Campbell County, Virginia, on the southern bank |  | | Journal (issue) | | e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...83 by R. Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas............. Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident;...our file of articles I realized we had enough pegmatite-related papers to fill an issue. One advantage...a certain article. The article on the Harding pegmatite, for instance, may not cause “Vol. 8, no. 2!” |  | | Book | | crystals from 2 to 5 cm across occur with good brown zircon crystals (Britvin, Ivanyuk andYakovenchuk, 1995;...is the source of the large, lustrous, rich brown zircon crystals which arguably are world's best for the...matrix of white albite, sometimes with the brown zircon crystals. Evseev (1995a) gives 11 cm as the maximum... associated with crystals of corundum, rutile, zircon and magnetite. Russian scientists have made detailed...skarns which surround iron ore deposits along the eastern edge of the island, and fine groups of lustrous |  | | Book | | GREENLAND] HMC0 ] 1-264 •MINERAL MUSEUMS OF EASTERN EUROPE 0 HISTORY OF MINERAL COLLECTING Tlir M/11...M. Gramaccioli) 10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE...Strontian crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto)...21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 9 AUTHOR/TITLE...DESERT Hydroboracite from the Amargosa Desen, eastern California (by R. L. Countryman) 8:503-504 AMAZONITE |  | | Report (issue) | | Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...and Professor M. G . Willigman of the Experiment Station assisted in many chemical analyses. Mr. John Evans...(Andradite) (Grossu.larite) (Pyrope) (Spessartite) Zircon (Cyrtolite) Olivine (Forsterite) Topaz Nesosilicates...north side of the tunnel entrance to the Greene pegmatite three miles east-northeast of Pringle has been...southeast part of the Gayle (Dubuque)-Royal Flush pegmatite 5.9 miles southwest of Custer by Redden (5) p |  | | Journal (issue) | | with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known...(1755), including the region now known as the Eastern Pegmatite Province. Just below the center can be seen...of other pegmatite minerals. LOCATION AND ACCESS The Golconda District or Golconda Pegmatite Field, also |  | | Journal (issue) | | Francon quarry was begun in 1914 by the Quinlan and Robertson Company (Gauthier, 1919). Subsequent operators...perovskite, pyrite, pyrochlore, quartz, weloganite and zircon (Jambor et al., 1976; Simpson, 1980). The phenocrysts...Thorbastnäsite Viitaniemiite Voggite Weloganite Wurtzite Zircon “Bitumen” Dikes* Sill Lime Quarry Upper Lower...Phlogopite Saponite Serpentine series Talc Thaumasite Zircon Organic minerals “Bitumen” Humboldtine CAPITALIZED...baddeleyite is intimately intergrown with grains of zircon (Sabina, 1979). Baddeleyite is an intermediate |  | | Report (issue) | | - Photograph of monazite pocket in the Nambe pegmatite, Rio Arriba County . . . . . . 1 6 0 Figure 40...S. Bureau of Mines (USBM), ( 7 ) U.S. Bureau of Land Management (BLM) ( 8 ) New Mexico Abandoned Mine...Discussions with Irving Rapaport (Four Corners Bureau of Land Exploration Co.), Konnie Andrews (U.S. Management)...sandstone, vein-type, hydrothermal-vein, and pegmatite deposits scattered throughout the state (Fig....subdistrict The Laguna subdistrict forms the eastern end of the Grants uranium district in Cibola |  | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL...pocket] PLATE 1. Index map showing locations of pegmatite mines and prospects. 2. 3. 4. 5. 6. 7. 8. 9....Dakota. Geologic map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and...Geologic map and sections,' Elkhorn and Hot Shot pegmatite mines, Custer County, South Dakota. Geology of...of U. S. Bureau of Mines sample cuts, Elkhorn pegmatite, Custer County, South Dakota. Geologic map and |  | | Journal (issue) | | unstable social system died with the revolution and land Figure 4. Entrance to La M oneda, the old Potosi...stretching from eastern Peru through Bolivia and into northern Argentina. The belt follows the eastern Andes,...and WELKER, K. K. (1947) The ore deposits of the eastern Andes of Bolivia. The Cordillera Real. Economic...theme this year. You can be certain that, in the land of “glow in the dark rocks,” the exhibits were exceptional...Argentina has come up with a surprise: a granite pegmatite locality. Xavier du Gromont is the geologist working |
|
