 | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...schists and granites of Larimer County are cut by numerous pegmatite dikesl which have been exploited...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Report (issue) | | GEOCHEMISTRY AND ORIGIN OF PEGMATITES CHEROKEE-PICKENS DISTRICT, GEORGIA Alexander J. Gunow and Gregory N. Bonn...103 Cover photo: Pegmatite& in the stream bed of Toonlgh Creek, Cherokee County. THE GEOCHEMISTRY...GEOCHEMISTRY AND ORIGIN OF PEGMATITES CHEROKEE-PICKENS DISTRICT, GEORGIA Alexander J. Gunow and Gregory N. Bonn................... . .. . . ............ .. 10 Pegmatite Deposits ... .. ...... .. . .. . ... ... ....... . .. .. . . .. ..... . ......... . ..... 10 Pegmatite Fields .... ....... .. ...................... |  | | Journal (issue) | | . . . . . . . . . 19 by J. A. Scovil The Machow mine, Tamobrzeg, Poland . . . . . . . . . . . .. .. ...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural... the researcher should still be provided an opportunity at least to visually examine the best specimen...altered either by nature, by construction, by further mining, or by subsequent collecting. If there is the slightest...San Mateo, CA 94403 (415-345-6228). HARDING PEGMATITE CATALOG The University of New Mexico Geo1ogy Museum |  | | Book (edition) | | COLO RAD O GEM T RAILS t.lilky quartz crystals, Ow-ay. Katherine H . Jensen. AND MINERAL GUID E RICHARD...MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL | | | Journal (issue) | | after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...the re searcher should still be provided an opportunity at least to visually examine the best specimen...altered either by nature, by construction, by further mining, or by subsequent collecting. If there is the slightest... San Mateo, CA 94403 (415-345-6228). HARDING PEGMATITE CATALOG The University of New Mexico Geology Museum...and archival material related to the Harding pegmatite in north-central New Mexico. This well-known collecting |  | | Report (issue) | | deposits________________________ Quartz-tungsten veins......._____________________ Quartz-gold veins.._________..._________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten...Ltd., mine...... --_--______.______ Lincoln County__-__-----_-----_-----___ Tern Piute district.........district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _ Yankee Girl mine_______________ |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...on p. 327 COVER: BARITE, 17 cm, from the Miekle mine, Nevada. (See the article in the previous issue...Technology as a freshman and then transferred to the Colorado School of Mines where he received the degree of...mineralogy because engineering offered little opportunity to work as a geologist. He enrolled as a graduate...uranium exploration while living in Grand Junction, Colorado. In 1959 Richard moved with his family to Mexico |  | | Journal (article/letter/editorial) | | Park, Maryland. Hafi, John C., Colorado School of Mines, Golden, Colorado. Heyl, George R., U. S. Geological...articles on quartz oscillatorplates. These valuable and timely contributions on the geology of quartz crystal...inspection, grading, cutting and testing of thin quartz wafers, were made possible largely through the...mineralogy Mineralography Memorials Miscellaneous Quartz osciliator-plates (Symposium) Total entries Illustrations...geological studies in both field and Iaboratory. Mining geologists have made valuable paragenetic studies |  | | Journal (issue) | | Kunzite at the Historic Katerina Mine Pala District, San Diego County, California Jesse Fisher 380 Pennsylvania...Introduction - The Katerina Mine (also known as the Katrina or the Catherina Mine) is located on a Li-Be-Phosphate...Li-Be-Phosphate enriched pegmatite-aplite dike system low on the southern slope or Hiriart Mountain, the eastern-most...hills which make up the Pala pegmatite district in north-central San Diego County, California. First discovered...occurred in San Diego County during the first decade of the 20th centu, the Katerina Mine was one of the original |  | | Journal (issue) | | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ...............25046, M .S. 905 Denver Federal Center Denver, Colorado 80225 In recent decades the science of mineralogy...consider myself very fortunate to have had the opportunity to work under some ex cellent field geologists... 905 Box 25046 Denver Federal Center, Denver, Colorado 80225 Louis B. Spaulding, Jr. P. O. Box 807, Ramona...plus an interesting range o f rare species. The mine, first opened in 1903, continues to produce fine |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...ELBAITE crystal, 7.3 cm, from the Alto Ligonha district, Mozambique. American M useum of Natural History...MADAGASCAR The Anjanabonoina pegmatite, 20:191-200 MALAWI Zomba district, 25:29-35, 38 MOROCCO Bou-Azzer...Bou-Azzer, 9:69-73 Toussit mine, 11:59-61, 15:347-350 NAMIBIA Kombat mine, 22:421-425 Tsumeb (special issue...Museum for Tsumeb, 10:116-118 The Onganja mining district, 27:85-97 The Otavi Mountain Land, 28:109-130 |  | | Report (issue) | | Crystalline Rocks, Park and Jefferson Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 608-B General...Crystalline Rocks, Park and Jefferson Counties, Colorado By C. C. HAWLEY and R. A. WOBUS GEOLOGY AND ORE...TARRYALL REGION, PARK AND JEFFERSON COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 608-B...Tarryall region, Park and Jefferson Counties, Colorado) (Geological Survey Professional Paper 608-B)...Stratigraphic Pre-Cambrian. 2. Geology-Colorado Park Co. 3. Geology Colorado Jefferson Co. 4. GraniteColorado |  | | Catalog/List | | management and staff of Ward's take advantage of this opportunity to reaffirm their intention to supply specimens...enlarged photograph of a piece of Obsidian, from Lake County, Oregon, which shows a Conchoidal fracture. t...Each lxl" 2x2" 2x3" ED.ch 3x4" AGATE-See Quartz AESCHYNITE-See Eschynite ALABANDITE (maganese sulfide)...*Peristerite (Moonstone), opalescent Cleavage, with quartz showing albite twinning or polysynthetic twin bands...potassium, iron, manganese and titanium) Bladed in quartz; Colorado ....... ................ .50 .60 .35 |  | | Journal (issue) | | and D.D. Hogarth Diamond collecting in northern Colorado ............................................205...Collins The Lake Clear-Kuehl Lake area, Renfrew County, Ontario.........................................by J. D. Grice and R. A. Gault Quartz crystals from the Granite Creek-Lolo Pass area, Montana..........and descloizite from the Chalk Mountain mine, Churchill County, Nevada ................................. Bostwick Mercury amidonitrate crystals from Colorado ....................................233 Printed |  | | Report (issue) | | Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian Basement in Colorado By OGDEN TWETO...TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1321-A...igneous rocks in outcrop and the buried basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE...1912-1983 Rock units of the Precambrian basement in Colorado. (Geological Survey Professional Paper ; 1321-A)...Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado. QE653.T9 1986 551.7'1'09788 I. Title. For sale |  | | Journal (issue) | | CA Articles Great pockets: the National Belle mine ..................................................T. Rosemeyer Phosphate minerals from the Tip Top mine, Black Hills, South D a k o ta ...................& W. L. Roberts The Stoneham barite locality, Colorado....................................................... 255 by N. L. Bennett The Buca della Vena mine, Tuscany, I ta ly ................................R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur |  | | Report (issue) | | Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL SURVEY PROFESSIONAL...A study of an area at the intersection of the Colorado mineral belt with the west flank of the Sawatch...Aspen 15-Minute quadrangle, Pitkin and Gunnison Counties, Colorado (Geological Survey Professional Paper...Bibliography: p. 123 1. Geology Colorado Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title............... ............. Mixed quartz diorite, pegmatite, quartz monzonite, and mica schist and gneiss |  | | Journal (article/letter/editorial) | | THE MINERALOGY AND GEOLOGY OF HEADLEY MINE, GATINEAU COUNTY, P.Q., CANADA By SEAN A. LOCHNAN, CHAIRMAN...to outline the geology and mineralogy of Headley Mine and its immediate vicinity. The property was visited...information and directions. We would like to take this opportunity to thank the staff of the Geological Library...copies of out of print reports. HISTORY HEADLEY Mine was first worked for phosphate in the early 1920's...property upon which the mine is situated belongs to W. C. Cross & Co. INTRODUCTION The mine is situated close |  | | Journal (issue) | | Trip Report 28-30 Fluorite (Dodecahedron) with Quartz, Erongo Mountains, Namibia, 2.5 x 2.6 x 2.4 cm...in Santa Barbara, California, I had had the opportunity of handling thousands of specimens. With my interest...including one of my first trips to collect Herkimer quartz “diamonds” in Little Falls. I still have one of...New Mexico in Albuquerque. This gave me the opportunity between classes, and running varsity track, to...to collect specimens underground at the Kelly mine, famous for exceptional blue-green botryoidal smithsonite |  | | Book | | Hot springs and tourmalines of eastern San Diego County." . Includes bibliographical references. ISBN 0-916251-65-9...Geology-California-San Diego County-Guidebooks.?. Geology-Califomia-It11perial County-Guidebooks. 3. Faults...Faults (Geology)--California-San Diego County-Guidebooks. 4. Faultgs (Geology)--California-Itnperial CountyGuidebooks...)--Guidebooks. 6. San Diego County (Calif.)--Guidebooks. 7. I1nperial County (Calif.)--Guidebooks. I. Murbach...1958. Back - P. Farquharson, blue-gray beryl and quartz crystals on Clevelandite extracted frotn Cryo-Genie |  | | Report (volume) | | San Isabel National Forest, South-Ce tral Colorado COLORADO An Assessment of the Mineral Resource...the San Isabel National Forest, South-Central Colorado By Richard B. Taylor, Rebecca j. Stoneman, and...structures 12 Mineral resources-Locatable minerals 12 Mining and exploration history 12 Metals 13 Industrial...pegmatites-Feldspar and pegmatite minerals 28 Tertiary pegmatites-Pegmatite minerals 30 Veins and fissure...the San Isabel National Forest, south-central Colorado Mineral resource potential map of the San Isabel |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Journal (article/letter/editorial) | | Fluid Inclusion Studies of GEM-Bearing Granitic Pegmatite-Aplite Dikes, San Diego Co., California Bruce...Stanford University, Stanford, California 94305, USA aAbteilung Geochemie, Mineralogisches Institut, Universit/it...Republic of Germany Late Cretaceous, granitic pegmatite-aplite dikes in southern California have been...approximation to the original isotopic composition of the pegmatite melts. Oxygen isotope fractionations between minerals...(6D .... = - 9 0 to - 1 3 0 ) in the Mesa Grande district crystallized in the presence of, or exchanged |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...detailed structural and petrologic study of a pegmatite containing seven zones and two replacement bodies...___________ Pegmatite units ____________________________________ Zone 1 : Albite-quartz-musco vite pegmatite...Zone 2: Quartz-albite-muscovite pegmatite. _______ Zone 3: Perthite-quartz-albite pegmatite, quartzperthite-albite |
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