 | | Report (issue) | | Carolina Geological Society 2008 Fieldtrip and Annual Meeting, Little Switzerland, North Carolina October...2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina __________________...__ Carolina Geological Society (CGS) 2008 Field trip Spruce Pine Mining District North Carolina Co-leaders...Sponsors Active Minerals International, LLC Imerys North America Ceramics Unimin Corporation Vulcan Materials...2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina __________________ |  | | Report (issue) | | T NORTH DEPARTMENT OF CONSERVATION BEN DIVISION JASPER E. DOUGLAS, OF ♦ AND RESOURCES STATE...MINERALS CAROLINA BY RICHARD J. COUNCILL TNlflO RALEI6H c* 14 ♦ INTRODUCTION NORTH DEVELOPMENT...DIRECTOR MINERAL L. STUCKEY, Information AN CAROLINA 1955 CONTENTS INTRODUCTION , Purpose and...OF RADIOACTIVE MINERALS 5 Occurrences in North Carolina , , , 7 WHERE TO PROSPECT 10 HOW TO PROSPECT... An Introduction to RADIOACTIVE MINERALS IN NORTH CAROLINA By Richard J. Councill INTRODUCTION With |  | | Journal (article/letter/editorial) | | cleavage, Deer Park mine, Spruce Pine district, Mitchell County, North Carolina. Almandine is 5.8 × 5.2...relatively abundant in rock shops in the Spruce Pine area in North Carolina. One rock shop in particular, that...bridge that carried traffic into the town of Spruce Pine. In the shop was a tray of thin plates of muscovite...they were then being sold as just garnet. The Spruce Pine area is rich in quarries in pegmatites that for...of almandine crystals, tantalite, torbernite, uraninite, and many other radioactive and non-radioactive |  | | Journal (article/letter/editorial) | | RADIOACTIVE MINERALS IN NORTH CAROLINA By MRS. FRED ALLEN, Lincolnton, N.C. Visitors to the Eastern...which follow the show. Radioactive minerals in North Carolina are present in pegmatites, placer deposits...partial list of the radioactive minerals found in North Carolina and their general location. This outline is...Division of Mineral Resources of the State of North Carolina: ALLAN1TE—This silicate of the rareearth elements...pegmatities in Swain County north of Bryson City, in Madison County west of Marshall, in Wake County near Wake Forest |  | | Journal (article/letter/editorial) | | fine-grained yellow to orange-red alteration products of uraninite whose true identity is unknown. A study of about...typicalty occurs as an alteration product of uraninite crystals in pegmatite. Such specimensshow a characteristic...(1) A central core of black or brownish-black uraninite. (2) A surrounding zone, yellow to orange-red...orange-red gummite without residual uraninite or the original uraninite crystal may be wholly converted to...zone of clarkeite may form between the central uraninite and the orange-red zone of hydrated oxides. The |  | | Journal (article/letter/editorial) | | petrogenesis of pegmatites in the Spruce Pine District, North Carolina, USA Samuel E. Swanson*, William B...Granitic rocks (mainly granodiorites) of the Spruce Pine Plutonic Suite occur as small plutons and numerous...textures in the Spruce Pine Plutonic Suite is related to the depth of crystallization. Spruce Pine granitoids...plumose muscovite clusters are common in the Spruce Pine pegmatites. Water content of magmas at such high...granitic to pegmatitic texture so common at Spruce Pine (and in other deep-seated systems) was probably |  | | 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...Granite-_____________________ Muscovite granodiorite of Spruce Pine district-_____ ________________________ Pegmatite |  | | Report (issue) | | Crystal Data: Hexagonal. Point Group: 3 2/m. uraninite, which may be mineralogically zoned. As dense...X-ray Powder Pattern: Fanny Gouge mine, North Carolina, USA. 3.195 (100), 5.903 (64), 3.365 (56), 2.707...00] (1) Spruce Pine, North Carolina, USA. (2) Ajmer district, India. (3) Fanny Gouge mine, North Carolina...Carolina, USA; by electron microprobe, H2 O by difference; corresponds to (Na0.73 Pb0.06 K0.03 Ca0.02 Y0.02...Replacing uraninite, as a late-stage hydrothermal alteration product. Association: Uraninite, uranophane |  | | Report (issue) | | Vicinity North Carolina Mineral Resources of the Grandfather Mountain Window and Vicinity North Carolina..._______________ _ ______ _ __ ____ _______ 2. Sketch of uraninite veinlets at the foot of Bard Falls ___ _-_ _-____..._-____ 3. Map of uranium prospects on North Harper Creek--------- ______ __ 2 5 6 TABLES Page Table...the Grandfather Mountain Window and Vicinity, North Carolina By Bruce Bryant and John C. Reed, Jr. ABSTRACT...Mountain window and vicinity in northwestern North Carolina and presents these data independently of the |  | | Journal (article/letter/editorial) | | our own collection. The first time we visited North Carolina for minerals was in 1936. Hans Engel, of Clifton...ompanion, and we set off on a tour, visiting Spruce Pine, Bakerville, Hawk, Little Switzerland, Boone...Drive, Spruce Pine, N. C , the promised land. We need not go into the mineral productivity of North Carolina...was in large masses or xls. (Epidote, gummite, uraninite, clarkeite, samarskite, euxenite, monazite, hyalite...some, and we here list and describe m/ms from North Carolina, collected at that time, and some acquired |  | | Journal (article/letter/editorial) | | collector mineral, uraninite, has been suggested for this issue’s Connoisseur’s Choice. Uraninite is typically...brownish-black, grayish, or greenish, and in thin section uraninite is dark brown, yellowish, or greenish. It is brittle...at the addresses above. 328 ROCKS & MINERALS Uraninite is cubic (4/m 3 2/m). When well-crystallized,...aggregates, or scattered small grains. Ideally, uraninite is simple uranium oxide (UO,); however, it commonly...of Ce, La, and other rare earths; Al; and Ca. Uraninite is found in diverse geologic occurrences. It is |  | | Journal (article/letter/editorial) | | minerals Article Geochronology of Uraninite Revisited Loretta Corcoran * and Antonio Simonetti Department...University of Notre Dame, Notre Dame, IN 46556, USA; Antonio.Simonetti.3@nd.edu * Correspondence: lcorcora@nd... Abstract: Identification of uraninite provenance for the purpose of nuclear forensics...help identify and limit the potential sources of uraninite based on the geological setting of the uranium...provenance consideration. Determining a robust age for uraninite formation is somewhat difficult, due to well known |  | | Journal (article/letter/editorial) | | large variety of minerals and gemstones in North Carolina annually attracts thousands of collectors to...the world. Some Mineral Collecting Sites in North Carolina T H E C O L L E C T I N G L O C A L I T I E...McKenzie's publication Mineral Collecting Sites in North Carolina: Information Circular 24 (1978). For a more...locations on county road maps, refer to this publication, which can be ordered from the North Carolina Department...27687, Raleigh, North Carolina 27611. The price is $5.00 plus 4% sales tax. Individual county road maps can |  | | Journal (article/letter/editorial) | | MATTISON Rt 5 Box 281 A Burnsville, N.C. 28714 Spruce Pine District Just four years after Lee surrendered...tled in the Blue Ridge Mountains of Mitchell County, North Carolina; and, things there haven't been the...n search of mica some seven miles north of presentday Spruce Pine. Their success at the "Sink Hole" Mine...district. During ensuing years, the mines of the Spruce Pine area grew to number in the hundreds, producing...beryls—aqua marine, golden and emerald", radioactives —uraninite, uranophane, gummite, autunite and torbernite; |  | | Report (issue) | | NORTH CAROLINA DEPARTMENT OF CONSERVATION WILLIAM DIVISION JASPER P. OF L. SAUNDERS, MINERAL...RESOURCES GEOLOGIST Circular 16 LOCALITIES NORTH OF CAROLINA BY JAMES F. CONLEY Doc NC DENR LIBRARY...... ACKNOWLEDGEMENTS MINERAL COLLECTING IN NORTH CAROLINA , . . . . # . WHERE TO COLLECT f ... f ......THE MINERAL LOCALITIES OF NORTH CAROLINA BY COUNTIES . . ALAMANCE COUNTY 5 5 Pyrophyllite ......... f .......... 5 ALEXANDER COUNTY ................. 7 Emerald, Hiddenite and Associated Minerals |  | | Report (issue) | | .'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist FRONT | | | Report (issue) | | Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through out North Carolina. Some sites are commercially operated during |  | | Report (issue) | | c\ NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT GEORGE R. ROSS, DIRECTOR DIVISION OF MINERAL...Geology and Structure of Part of the Spruce Pine District, North Carolina A PROGRESS REPORT BY JOHN M. PARKER...SURVEY AND THE NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT. NORTH CAROLINA DEPARTMENT OF...Geology and Structure of Part of the Spruce Pine District, North Carolina A PROGRESS REPORT By M. PARKER,...BETWEEN THE U. S. GEOLOGICAL SURVEY AND THE NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT |  | | Journal (article/letter/editorial) | | crystallizes during metasomaticreplacementof pegmatitic uraninite by latestage,oxidizing hydrothermal fluids. Samplesare...surroundsa K-rich core (comrnonly with remnant uraninite) and is surrounded by more Ca-rich material; volumetrically...clarkeite from the Fanny Gouge mine near Spruce Pine, North Carolina, is: uu, 0*r](HrO)o noro.e,8(OH), mrTho...oxidation and Ewing 1991, 1993). replacementof uraninite late during pegmatite crystalli- Finch and zation...Finch and Ewing 1993). AlPnpvrous woRK though uraninite-bearinggranite pegmatitesare common, Clarkeite |  | | Journal (article/letter/editorial) | | inches in diameter occur in the Palermo quarry, North Groton, New Hampshire and to an inch in diameter...dickinsonite occurs sparingly at Branchville, Fairfield county, Connecticut. FAIRFIELDITE, a hydrous phosphate...noted as a rare mineral at Branchville, Fairfield county, Connecticut from which it was named; and also...lithiophilite at the Stewart mine, Pala, San Diego county, California. STEWARTITE, another hydrous manganese...City and from the Palermo and Fletcher mines at North Groton, New Hampshire. VIVIANITE, hydrous ferrous |  | | Report (issue) | | concentration increases with latitude going from south to north. The relatively low values for total tritium rainout...distribution of tritium fallout in precipitation over North America: Internat. Assoc. Sci. Hydrol. Bull., v...and Hoffman, C. M., 1963, Tritium fallout over North America from the Soviet tests in 1961: Jour. Geophys...Vicinity North Carolina Mineral Resources of the Grandfather Mountain Window and Vicinity North Carolina...___________________________-_--_------------_--_-2. Sketch of uraninite veinlets at the foot of Bard Falls ___ ____ ___ |  | | Report (volume) | | Geology of the Spruce Pine District ! Avery, Mitchell, and Yancey Counties North Carolina GEOLOGICAL SURVEY...with the Min\ eral Resources Division of the North \ Carolina Department of Conservation and Development... Geology of the Spruce Pine District Avery, Mitchell, and Yancey Counties North Carolina By DONALD A. BROBST...with the Mineral Resources Division of the North Carolina Department of Conservation and Development...ILLUSTEATIONS PLATE 1. Geologic map of Spruce Pine pegmatite district, Avery, Mitchell, and Yancey Counties, N.C.__________________ |  | | Journal (article/letter/editorial) | | ofJCrabtree, Mitchell County, North Carolina By JAMES A. RAY 12 Caledonia Road, Asheville, North Carolina North...North Carolina, owing to the extreme complexity of its geologic history and structure, and highly variant...immediate area around Crabtree Creek, on the Mitchell-Yancey County Lines, and here specifically to three workings;...3500-feet. This is about two and one half miles north, north-west of Little Switzerland. The Crabtree Emerald...largest workable areas of pegmatite. It Mitchell Lines To Spruce Pine BHdQífnísr Store appro x, 3 mi Crabtree |  | | Journal (article/letter/editorial) | | species(e.g, monazite);3) they contain exsolved uraninite;4) they are overgrown or partly replaced by other...stibiotantalite, samarskite,euxenite,allanite, uraninite, fergusonite,gadolinite, magnetite, ilmenite and...discovery, at the Mica Lode pegmatite in Fremont County, Colorado (Heinrich, 1948), of a relatively large...also contain primary disseminated inclusions of uraninite (Fig. 2a). In p.s. these tabular inclusions show...veinlets of parsonsite; exsolution (?) btebs of uraninite. b) Apache, Petaca, N.M. Semi-regular variation |  | Corcoran, Loretta, Simonetti, Antonio, Spano, Tyler L., Lewis, Stefanie R., Dorais, Corinne, Simonetti, Stefanie, Burns, Peter C. (2019) Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples. Minerals, 9 (9) 537 doi:10.3390/min9090537 | Journal (article/letter/editorial) | | IN 46556, USA Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37830, USA Department...University of Notre Dame, Notre Dame, IN 46556, USA Correspondence: lcorcora@nd.edu Received: 5 August...23) of pristine (>80 wt. % UO2 ) and altered uraninite samples (>70–80 wt. % UO2 ) from various locations...forensic analysis. The characterization of the uraninite samples included determination of major, minor...intrusive, granite and unconformity) of pristine uraninite can be readily identified utilizing various combinations |
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Chestnut Flats Mine, Spruce Pine, Mitchell County, North Carolina, USA