 | | Journal (article/letter/editorial) | | of eclogites from the Eastern Blue Ridge, North Carolina, USA F. Z. PAGE, E. J. ESSENE AND S. B. MUKASA...C.C. Little Building, Ann Arbor, MI 48109–1063, USA (fpage@umich.edu) ABSTRACT The prograde metamorphism...metamorphism. Eclogites from the Eastern Blue Ridge of North Carolina retain evidence of their prograde path in the...These eclogites, from the vicinity of Bakersville, North Carolina, USA are primarily comprised of garnet...eclogites from the Franciscan Complex, California, USA. These workers proposed an anticlockwise P–T path |  | | Journal (article/letter/editorial) | | conditions. Eclogite from the Eastern Blue Ridge, North Carolina, contains clinopyroxene (Jd20CaTs5Ac5CaEs0Di65Hd5)...provides a pressure minimum similar to the albite = jadeite + quartz barometer. Exsolution of quartz and associated...Eclogite from the Eastern Blue Ridge (EBR) of North Carolina, USA (Willard and Adams 1994; Adams et al. 1995;...Photomicrographs of garnet and pyroxene from the Bakersville eclogite. (a) Inclusions of quartz and rutile...Eclogite was described in this region near Bakersville, North Carolina (Willard and Adams 1994; Adams et al |  | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Wisconsin at Plum Creek, Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee |  | | Report (issue) | | OF WESTERN NORTH CAROLINA EDITORS: KEVIN G. STEWART MARK G. ADAMS CHARLES H. TRUPE CAROLINA GEOLOGICAL...Loren Raymond Banner Elk, North Carolina September 26-28, 1997 CAROLINA GEOLOGICAL SOCIETY 1997 FIELD...WESTERN NORTH CAROLINA Edited by: Kevin G. Stewart Department of Geology University of North Carolina Chapel... Trupe Department of Geology University of North Carolina Chapel Hill, NC 27599-3315 TABLE OF CONTENTS...Evolution Of The Blue Ridge Thrust Complex, Western North Carolina .......................................... |  | | 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...Geological Survey Section P. O. Box 27687 Raleigh. N. C. 27611 1823 --~- GEOLOGICAL SURVEY SECTION The Geological...Geological Survey Section shall, by law"...make such examination, survey, and mapping of the geology, mineralogy | | | 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...Community Development Geological Survey Section P. O. Box 27687 Raleigh. N. C. 27611 & ^5 o Z M' tsS...about the Section please write: Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide |  | | Journal (article/letter/editorial) | | Francisco, Calif., advertising via our display section this issue wishes the following item passed along...directly from the mine a supply of Covelo Jade (Jadeite). You are, no doubt, familiar with this material...deposit contains both jadeite and nephrite, the mine owners are only taking out the jadeite at this time." Note:...your desire in obtaining one. Epidote near Bakersville, N.C. Editor R&M: I am sending under separate...my farm about three miles northeast of Bakersville, Mitchell Co., N.C. I am also enclosing pictures of |  | | Journal (article/letter/editorial) | | compositions using solution ICP-MS; except for the Bakersville eclogite omphacite, where insufficient material...3A are the REE concentrations measured in the Bakersville omphacitic cpx normalized to several different...corresponding choice of melt composition. 3.2.1. Bakersville eclogitic omphacite The REE concentrations in...diagrams for the studied clinopyroxenes. (A) Bakersville eclogitic omphacite normalized to: (1) chondrite...illustrated in Fig. 4 for the omphacite from the Bakersville eclogite. Identical calculations were performed |  | | Journal (issue) | | Peter Zodac...... .. 7 5 Autunite in Mitchell County, North Carolina. By Bradley Johnson .................from Colorado, Idaho, M zine, Nevada, North Carolina, South Carolina, Utah, Virginia, Wyoming and many other...Westthe deep l,lack Yariety of smoky quartz chester County, not far from the Conknown as morion. Small black...crystals collected at different places in Herkin1er County, New York, in 1930, and subsequently examined under...white Texas, Penn. Byuolite, gray•green French Creek, Pe_nn. Gray Calcite. brown Granby, M o. Green Calcite |  | | Book (edition) | | plains have been buried deep under debris brought north by glaciers or washed down down from have been...characteristics of erals gem min- can be gained from the section of illustrations in this Guide and from books... and sometimes elaborately patterned. Cross section of handed Note bird-shaped agate. pattern....in Polished sections of banded agate. Cross section of unpolished green malachite, a copper carbonate...smoothly rounded, and kidney shaped. Polished section of red-brown and white agate, showing strong |  | | Report (volume) | | -..-..--.-.--.....-...-....-....-....._. 34 Jadeite ...._....--..--...--.--.---.. .--.-.-----.----...From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...LOLLINGITE. From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°...vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific gravity, 6.644 at 20°. Probably...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different |  | | Book | | Again, some of the best specimens from Emerald Creek in Idaho have been found by indi¬ viduals standing...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...the gem. Sapphires and rubies are found in North Carolina, Colorado, Idaho, Indiana, Cal¬ ifornia and...United States (Maine, Massachusetts, Nevada, North Carolina among them), but production in this country...Maryland, New Hampshire, New York, North Carolina, Pennsylvania, South Carolina, South Dakota and Utah. Other |  | | Journal (article/letter/editorial) | | Kentucky, 101 Slone Building, Lexington, KY 40506-0053, USA e-mail: edande0@uky.edu with slow/low overstepping;...estimate an original omphacite composition. The jadeite component of the precursor omphacite is used to...plagioclase from stoichiometric pyroxene components (jadeite, NaAlSi2O6; Ca-Tschermak, CaAl2SiO6) requires the...Ridge Province of the southern Appalachian orogen (USA), and the Western Gneiss Region (WGR) of Norway have...Geological setting of samples Southern Blue Ridge (USA) Occurrences of HP rocks are rare within the Appalachian |  | | Book (edition) | | GEMSTONES $CS of NORTH AMERICA . In Two Volumes $30.00 GEMSTONES OF NORTH AMERICA In Two Volumes ...REINHOLD BOOK / '- ✓ ( ..., ■ GEMSTONES OF NORTH AMERICA In Two Volumes Volume II T ourmaline...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...lnternatiunal, Inc. F RO. Tl!>PI£CE GEMSTONES of NORTH AMERICA In Two Volumes Volume II John Sinkankas...publication of the first volume of Gemstones of North America in 1959 so much has transpired that the |  | | Book (volume) | | NORTInHIwo AME A Volumes John Sinkankas _ GEMSTONES OF NORTH AMERICA In Two Volumes ® Volume I Gemstones, of...of all the mineral treasures to be found in North America, are perhaps the most fascinating—and the...worthy of the name. Some, like the emeralds of North Carolina, the colorful and fabulous tourmalines and...above all, easily read and understood, GEMSTONES OF NORTH AMERICA, Volumes I and II, will be welcomed as a...abroad are becoming so scarce and expensive that North America has developed into a major exporter rather |  | | Journal (article/letter/editorial) | | D e r s e l b e : Analyse von Genthit von Nord-Carolina (Ebenda, 4 4 ) . Das Mineral findet sich in 1...483—488). Die Nickelerzlager Oregons, in Douglass County gelegen, wurden im Jahre 1881 entdeckt. Bei Riddle...Diest (in ?): Notizen Uber einige Gänge in Boulder County (Proceed. Col. Scient. Soc. 2, 2. Heft, S. 50—55)...über die Tellur-führenden Regionen von Boulder County, Colorado. Ref.: E. S. D a n a . 11. R. Pearce...der Hawk Mica Mine, 4 Meilen östlich von Bakersville, N.-Carolina. Durchscheinende, glasige Varietät von |  | | Book (volume) | | tH MSTONESof - NORTH AMERICA ~ VOLUME olor phot raphs yo. Erica and. Harol d Van I [iL Albuquerque...87109 N.M. N_E. Bivd. Gkapats GEMSTONES of NORTH AMERICA ~ NASMI EPPA GEMSTONES OF THE WORLD...+ GEMSTONES OF NORTH AMERICA, by John Sinkankas ON@“THE VOLUME III COVER North American gems from...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 |  | | Journal (issue) | | copper-bearing amygdaloidal lode, Houghton Co., Michigan, USA 317 Copper mining in Calumet 318-325 Collector's...De Linde wavellite mine, Graland Co., Arkansas, USA 352-357 Materials mineralogy (synthetic analogues... Orthoclaaskristallen in graniet (Sierra Nevada, Rock Creek Canyon, California, USA). Foto © Mark Wilson. Namen noemen...gevonden in de Devils Hole Beryl Mine, Colorado, USA, en bereikten een afmeting van 50 X 36 X 14 m (jawel...graniet van het Arendal in Noorwegen. In Bakersville, North Carolina wordt helder doorzichtige oligoclaas | | | Book (volume) | | GElV!§TONE§ (())f NORTH AMERRCA VOLUME III GElV[§TONE§ OF TXiE ,voRLD §ERIE§ SERIES EDITOR... GEMSTONES OF NORTH AMERICA, VOLUME III by Joh11 Sinkankas ON ~rf-IE co ·vER North An1erican gems...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and pinkish purple (I .3 5 et). GEMSTONE§ (O)f NORTH AMERICA VOLUME III John Sinbanbas Colar Photography...Qurrli~y Books, Inc.) Sinkankas, John. Gen1stones of North An1erica. Vol. III/ John Sinkankas. p. cm. lncludes |  | | Report (issue) | | Proterozoic tectonic evolution of the Grenville orogen in North America Edited by Richard P. Tollo Department of...George Washington University Washington, D.C. 20052 USA Louise Corriveau Geological Survey of Canada GSC-Québec...Skidmore College Saratoga Springs, New York 12866 USA Mervin J. Bartholomew Department of Earth Sciences...Tennessee 38152 USA Memoir 197 3300 Penrose Place, P.O. Box 9140 ■ Boulder, Colorado 80301-9140, USA 2004 MWR197...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. Copyright is not claimed on any material prepared |  | | Book (volume) | | .......................................346 North Carolina ........................................................................................356 North Dakota ...............................................................................427 South Carolina ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |  | | Journal (issue) | | Norton, First Vice-President 11945 Magnotta Blvd .. North Hollywood. CA 91607 Lee Hollinshead. Second Vice-President...Washington by Peter Thorne .............. 46 Western North Caronna Rockhoundlng Tips by Vernon D. Stenzel ...a few hurried instru~tions, they headed north on Horse Creek Road, and I fell in at the end of the column...(formerly Stratified Forest) Primitive Area, to the north. It gets its name, Double Cabin, from a delapidated...an open meadow, a couple of hundred yards to the north. On a big wooden sign near our camp was a map of |  | | Book | | granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...pyroxene and amphibole respectively. Diopside and jadeite are members of the pyroxene group; asbestos reflects...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the...shorter. Crystals usually show a square cross-section and well-developed prismatic form (faces meeting |  | | Journal (article/letter/editorial) | | clinopyroxene and plagioclase in each of them using the jadeite-in-clinopyroxene coexisting with plagioclase barometer...the method to suggest UHP metamorphism within the North-East Greenland eclogite province (NEGEP) without... 2000; Gilotti and Ravna, 2002). Dating of the North-East Greenland eclogites has, however, yielded Devonian...straightforward relationship between the Tromsø and North-East Greenland eclogites. Eclogites of similar (Taconic)...Gromet, 1998) and the eastern Blue Ridge of North Carolina (~460 Ma; Miller et al., 2000). This Taconian |  | | Report (volume) | | Bibliography of North American Geology, 1955 By RUTH REECE KING and others G .E 0 L 0 G I C A L S...============ In 1 8 9 285 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1955 By RUTH REECE KING and others1...appeared during 1955 concerning the geology of the North American continent, including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...with foreign areas. Articles by foreign authors on North America are included regardless of place of publication; |
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