 | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__..._____ Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution |  | | Journal (article/letter/editorial) | | GEOLOGY MAY, 1941 OF THE TUNGSTEN COUNTY, T. No. 3 ORES OF BOULDER COLORADO. • S. LOVERING. ABSTRACT...zone of sericitic alteration encases the Boulder County ferberite veins, but gives way abruptlyto a...GeologicalSurvey Board and of the ColoradoMetal Mining Fund. 229 230 T. S. LOVERING. Quartz gangue...gangue ............................................ Tungsten ore ............................................easternedgeof the Front Range just west of Boulder,Colorado(Fig. x). The tungstendepositsextendin a Fro |  | | Book (edition) | | 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...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | 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 |  | | 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 (issue) | | ---------------------------------- 8-9 The Geology of the District of Columbia ---------------------10-11 -----...iron mines in the U. S., at Sterling Lake, Orange County, New York, are nQw closed, perhaps never to be...prevent the British ships from sail~g up. A new district for mercury in America, that shows much promise...about 61 miles from Tacoma. On Jan. 15th, the district made its 1st shipment of 70 flasks, each containing...value of the entire shipment $6,783. (Eng. and Mining Journal.) ' ( I I ROCKS AND MINERALS 3 The |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Report (issue) | | BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY................................... 11 HISTORY OF MINING ........................................................... 35 Spanish Main prospect ["Govenor's Mine"(?)] ....................................... 36............. 36 Questa Molybdenum [Moly, R and S] mine ............................................ 38 |  | | Journal (issue) | | from Basel Cathedral: The Reliquary Cross and Dorothy Monstrance Henry A. Hänni, Benno Schubiger, Lore...the presence of nickel, molybdenum, lanthanum, tungsten, platinum, lead, or bismuth proves synthetic origin...gem’s origin rarely accompanies a stone from the mine, or follows a synthetic through the trade after...dolomite, spinel, pargasite, phlogopite, rutile, Cr-muscovite, chlorite, tremolite, tourmaline, apatite, sphene...Surdez, 1994; Peretti et al., 1995) Nepal—Taplejung district (Harding and Scarratt, 1986; Smith et al., 1997) |  | | Book | | volume is dedicated is four-fold: (1) To locate by mine, deposit, or community those mineralized areas of...Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...VILLAGE SPRINGS, Blount Co. Hematite WOODS COPPER MINE, Cloaburne Co. Sphalerite ARIZONA COVEI.I.ITE...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California...parts of several sections, by R. M. Stewart COUNTY REPORT California Division of Mines Ferry Building...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT...Structural .. MINERAL RESOURCES _ AND MINING History of mining Mineral production _ Land ownership and...entry Land open to prospecting and location of mining claims Land possibly open to prospecting by permit |  | | Journal (issue) | | of Missouri. THE Notes on EARTH SCIENCE Colorado Minerals by Victor Shaw FOREWORD On this brief...brief paper dealing with minerals of Colorado, it perhaps is not necessary to devote much space to detailing...a northeast and southwest direction in central Colorado. Also it seems advisable to mention here the well...orthoclase, or plagioclase, or microcline, and muscovite, often with such minor accessory minerals is hornblende...collectors. ORE MINERALS Speaking generally Colorado is one of our most richly mineralized states, |  | | Report (issue) | | Mildred Lake hornfels __________________ _ Lake Dorothy hornfels _________________ _ Bloody Mountain formation...deposits of Quaternary a~e- __________________ _ Boulder deposits of McGee Mountain ____________ _ Till...-----Metallic deposits _________________________ -.- ___ _ Tungsten _________________________________ _ Wheeler Crest...________ _ Nicoll Hilton Creek mine ___________ _ Phelps Hilton Creek mine ___________ _ Tiptopprospect...Peak granodiorite ____________________ _ Scheelore mine ____________________ _ Gold and silver ________ |  | | Journal (issue) | | ........................ 460 1HE SCARLET COPPER MINE, N. C. By C. Henry King ..........................quarters, in the heart of the New York Jewelry district, are four times larger than those formerly had...NEVADA October 7 - 8 , 1950 Boulder Bec!ch on Lake Mead. Nevad~ The Clark County Gem Collectors, Inc. (Paul...explorations to the country surrounding the famous silver mining town of Cobalt. Later, by means of hitch hiking...Mapping Expedition Mr. Donald Russell, a dealer in mining equipment. gave me a series of Cobalt • 452 |  | | Journal (article/letter/editorial) | | Gold Mine, near Hackney ville, Minerals found: pyrrhotite, Chalcopyrite, arsenopyrite and? The Mine is...is in the Goldville District. The Mobile Rock and Gem Society, Mobile, heard ROCKS AND .MINERALS Tom...saw in California, and show slides of the Cinnebar mine he visited. CANADA The Canadian Micro-Mineral Association...Society members and guests. - - - - The Middlesex County Mineral Club, Inc. Moodus, had a special program...dolomite and other calcite associated minerals. DISTRICT OF COLUMBIA The Gem and Lapidary Society of Washington |  | | Report (issue) | | Resources of North America A By JAMES J. NORTON and DOROTHY McKENNEY SCHLEGEL A CONTRIBUTION TO ECONOMIC GEOLOGY...lithium_________________________________ History of lithium mining and production ________________________ Imports...Pala pegmatite district.__--___--___-_-______--_______._ Arizona, New Mexico, Colorado, Wyoming, and New...________________________ Future of the lithium mining industry________--__--___-___-______-___ Literature...Comparative analyses of three spodumene samples, Edison mine, Keystone, S. Dak.. ____..____________^__._______5 |  | | Journal (issue) | | Papago Park, Phoenix. Arizona. Feb. 16-22—Riverside County Fair and National Date Festival, Arabian Nights...Vaqueros, Tucson. Arizona. Feb. 22-28—Maricopa County Fair, Horse Show, Mesa, Arizona. Feb. 22-29—Invitational...— Maricopa County Fair, Mesa Civic Center, Mesa, Arizona. Feb. 24-Mar. 4 — Imperial County Fair, El Centro...POETRY Evening Primrose, a n d other p o e m s LOST MINE Black Nuggets in the Valley of P h a n t o m Buttes...BRADT . . . . 23 MINES Current n e w s of desert mining 26 INDIANS W h e n W e a l t h C a m e to Hosteen |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._ Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39 |  | | Report (issue) | | CASSITERITE IN SAN DIEGO COUNTY, CALIFORNIA. By WALDEMAR T. SCHALLER. A small handful of cassiterite...crystals was found in the northern part of San Diego County, Cal. (fig. 22), in the spring of 1915, and the...showing position of cassiterite locality in San Diego County, Cal. The rectangle indicates the gem tourmaline...tin ore in place previously known in San Diego County. These are as follows: F. J. H. Merrill 1 has stated...of Laguna Mountain, in the southern part of the county. Additional reported occurrences are in Pine Valley; |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...could earn a better living as a mining geologist with the then robust mining company, Union Minére du Haut...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902–1978). Gilbert...to make vacation journeys to other great African mining districts including those in Southern Rhodesia |  | | Journal (article/letter/editorial) | | Journal of the National Speleological Society (Dorothy Reville, Editor, 124 Sanford Ave., Emerson, N ...community of Talucah near Vahlermoso Springs, in Morgan County, north Alabama. A large portion of this cave had...Morning Star zinc mine near the little village of Rush, Marion Co., Ark. CALIFORNIA—From a mine in Darwin, Inyo...letter from him he writes: "The Darwin, Calif., mine is lead and zinc, with occasional high grade silver...I took to be calcite colored with caledonite." COLORADO — Richard Schooner, P.O. Box 215, East Hampton |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...silicate minerals from Trumbull Peak, Mariposa County, California......................................3 cm, from the "Tree Root Pocket," Pikes Peak, Colorado. Bryan Lees specimen; photo by Harold and Erica...70, in Denver, Colorado. Henry Pohs was well known to every serious collector of mining antiques and memorabilia...the first book on the subject: Early Underground Mine Lamps', it became the “bible” of lamp collecting |  | | Report (volume) | | ECONOMIC GEOLOGY GEM STONES OF THE UNITED STATES By Dorothy M. Schlegel ABSTRACT Many semiprecious, but few...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 |
|
