 | | Report (issue) | | GEOLOGY OF THE GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR............... Topography and geography of the Georgetown quadrangle ...................................................._.......... . Distribution in Colorado ...................................................................... . Distribution in the Georgetown quadrangle ......................................... : ............ _.... 97 Gold belt near Georgetown.· .................. _. __ ........... , .. _ |  | | Journal (issue) | | Newsletter $6.00 Fibrous Malachite from the Mindingi Mine Katanga, Democratic Republic of the Congo Tony Nikischer...fibrous malachite from the Mindingi Mine in the Kambove District of Katanga began to appear in the specimen...ten {I 0) years ago (see figure J ). Although the mine was first worked superficially in the 1930s for...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens...specimenand image. Nickel Laterite From the Tiebaghi Mine, New Caledonia Bob Werner werner@lcturbonet.com |  | | Journal (article/letter/editorial) | | JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978 Wapiti Court Boulder, Colorado 80301...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...principal town in the county. The American Tunnel, located just north of town along Cement Creek at Gladstone...of the Sunnyside mine complex and has been the major source of specimens in the county. Most museums and |  | Lund, Karen, McAleer, Ryan J., Aleinikoff, John N., Cosca, Michael A., Kunk, Michael J. (2018) Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic lodes overprinted by younger stockwork Cu-Mo ores and penecontemporaneous Cu lodes. Ore Geology Reviews, 102. 666-700 doi:10.1016/j.oregeorev.2018.05.018 | Journal (article/letter/editorial) | | Manuscript Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic...J. Kunk, Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic...pertain. Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic...world-class deposits of the Butte mining district, Montana, USA, is deep pre-Main Stage porphyry Cu-Mo...processes diminished in intensity outward from district center along lode veins, synchronously forming |  | | Book (edition) | | sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS... of all other McMahon, unpublished Mining District, in reproduction. map Colo. places Albuquerque...Albuquerque, NM of Leadville a map of Territorial Colorado c. 1876, and a woodcut engraving Birdâs Eye View...scock G. York, Includes indexes. 1. Colorado. 2. Colorado. is Waele. Mines and mineral resources--...DressOne. MEXIC ies 35 Publisherâs Preface Colorado! The very name (which means ââcolored redââ) conjures |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite ...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39 |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John | | | Book (edition) | | org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES...r^HIS volume, as its name implies, is devoted to Colorado. Its conÂŹ tents are descriptive, statistical... of useful and general information concerning Colorado, and trusts this book will meet the present requirements...DenverâPueblo. 33-42 Colorado SpringsâManiton... 33-42 Union Pacific Railway System. 42 Colorado Central and Kansas...Health and Pleasure Resorts of Central and Southern Colorado. 46-53 Grand Canon of the Arkansas...49 and 112 |  | | Book (edition) | | Opbir-Burroughs, HILL anp NEVADAVILLE. Mercer County. ; ; California, First Natâ] Burroughs and Kansas...ae American Hilae Ss POSEN 1% xiS LEA Colorado GOLD AND FARMS SILVER AND Peet tt Ae STOCK...HIS volume, as its name implies, is devoted to Colorado. tents are descriptive, statistical, and historical...compendium f useful and general information concerning Colorado, and trusts this book will meet the present requirements...EON hy OS ENTE sy a Towns and Cities of Colorado, alphabetically arranged............ Climate |  | | Report (issue) | | https://archive.org/details/fluorspardeposito00Oharr COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State...State Geologist BULLETIN 18 FLUORSPAR DEPOSITS COLORADO By HARRY KAMES A. AURAND BROTHERS, STATE...-...- Governor of Colorado GEORGE UNORLING nee ee President University of Colorado VicCTOR Ct A LDERGONG...TRANSMITTAL. State Geological Survey, University of Colorado, April 29, 1920. Governor Oliver H. Shoup, Chairman...honor to transmit herewith Bulletin 18 of the Colorado Geological Survey. Very respectfully, R. D. GEORGE |  | | Book | | COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl...atmosphere, .should go to"T^oToracToT climate ol Colorado is peculmrT^^In^aTioTir^ri'^unTIinraUn]^clinn |  | | Journal (issue) | | .... 337 by D. J. Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of crystallized...she and Brooks became part owners of the Old Yuma mine nearby. After a few years her strong love of minerals...ventures in Mex ico (particularly the San Francisco mine in Sonora). Many extraor dinary specimens passed...fuse cutting pliers, and plunger-type detonators. Mine bells and the bell signal sign that accompanied...underground wiring (left one, green, is marked âJEFFREY MINE IN SULATORâ; right one, purple, is marked âCALIFORNIAâ); |  | | Journal (issue) | | Institution feature articles Mordenite at Wolf Creek Pass............................... 272 by Marvin...Marvin Hanner Additions to the Ore Mineralogy of Colorado..................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................collector and dealer is be coming less and less clear. A few people m ake their living 100% through dealing...had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English |  | | Book | | org/details/minesofcoloradoOOholl The Mines OF COLORADO y The Mines OF COLORADO OVANDO J[AMES] HOLLISTER FROM^TOHY...Hollister, Ovando James, 1834-1892. The mines of Colorado. Reprint of the 1867 ed. Mines and mineral resources...TN2A.C6H7 1973 338. 2' 0978 1. âColorado. The Mines OF COLORADO OVANDO (LATE EDITOR J. HOLLISTER...HOLLISTER, AND PORPRIETOR COLORADO MINING JOURNAI-) SPRINGFIELD, MASS.: SAMUEL BOWLES 1867. & COMPANY...COMPANY, In the Clerk's Office of the District Court for the District of Massachusetts. SAMUEL BOWLES AND |  | | Journal (issue) | | these events, Professor Collinson said there was a clear indication of the northward migration of plant species...the dentition of ungulate mammals that showed a clear trend towards a more abrasive diet as fruit became...skills on. These have been installed by Rockworks of County Durham and will also provide the geology student...surrounding countryside, changes which still occur, as old mine shafts and worked out veins continue to collapse...hardships to their families and its great wealth to the mine owners. He begins with the geological setting of |  | | Report (volume) | | Bankovskil, V. A., Qeothermal conditions in the coal mine Shcheglovka 100. _________ 139 Barber. N. F., The...See Monsuf, A. K. Collins, G. See Tucker. M. J. Colorado School of Mines Quarterly, Sources of subsurface... Geophysical history of the Apache pool, Caddo County, Okla_________.. 137 11056 Cotton, Aim6, Cotton...._... Case history, Pauls Valley field, Qarvin County, Okla........_.__....__......... .Crout, P. D....report of a self-potential survey of the Anglo-Saxon vein, Georgetown, Colo_ ^........................... |  | | Journal (volume) | | Antimony Minerals The Glendinning or Louisa Antimony Mine is situated near the head of the Glenshanna Burn...Full details of the discovery and history of the mine are given in volume XLII of these Transactions.â...strings. It occurs intimately admixed with lead (galena), zinc (sphalerite-mainly the black iron-bearing...(Pb,FeSb&) and 1. The Glendinning Antimony Mine h i s a Mine). A. McCraoken, T.D.G.N.H.A.S. III/42/140-8...from this vein. Wanlockhead. At the Glen Crieve Mine, Wanlockhead (Nat. Grid. Ref. NS865 134) Professor |  | | Journal (issue) | | determine the elemental composition of a Medieval Anglo-Saxon iron helmet. The owner wanted at least $750....Thermal 4 Photo from âPawn Starsâ Medieval Anglo-Saxon Helmet THE BACKBENDERâS GAZETTE Luminescence...majority of specimens. This is the Musquiz Mining District in the state of Coahuila. Purple cubic zoned fluorite...from the Fluorite Naica Chihuahua, Mexico Naica Mine, a primary sulfide deposit where fluorite is a common...midwave UV light. Santa Eulalia is a major mining district in Chihuahua, with a group of mines that are still |  | | Journal (article/letter/editorial) | | GEOLOGY OF THE COUNTRY WEST OF SINOIA, LOMAGUNDI DISTRICT. By A. J. C. MOLYNEUX, F.G.S. Southern Rhodesia...the most important occurrence being the Eldorado mine, whose output to date has been about 432,000 ounces...exactly as they were first deposited, including galena, blende, chalcopyrite, arsenopyrite, pyrargyrite...journalistic horror, " hypersensitive." Surely Anglo-Saxon, or, at worst, good Latin terms can be found |  | | Journal (issue) | | ornacite, Hemimorphite & Rosasite From the Alice Mine, Goodsprings, Clark Co., Nevada Tony Nikischer Excalibur...offered me a modest lot of material from the Alice Mine, near Goodsprings, Clark Co., Nevada. The deposit...unknownolive greenelongatedneedlesfrom the Alice Mine provedto be molydofomacite, as evidencedby Mo>CrEDSanalysis...years ago I collected at the site of the Big Mike Mine in the mouth of Panther Canyon, Tobin Range, Pershing...occurred under very specific conditions along the mine walls. Fig.1: Ch?lcopyrite, 11x8x6cm, Big MikeMine |  | | Book | | Northern Ontario 1880-1920 6 Number and Percentage of Anglo-Saxons Living in Copper Cliff 73 Number and Percentage...Canadian Mines Using LDC, 1990 190 LDC Employees by Mine and Region of Residence 197 Purchasing Profiles...des contres et des esclaves a gages II vient des USA Percer le coeur du Bouclier Pour que la bombe eclaire...three communities most severely affected by recent mine closures: Elliot Lake, Kirkland Lake and Temagami...Cochrane Dryden Timmins Sioux Lookout Frood Mine Trout Creek Charlton Iroquois Falls Thornloe Capreol Magnetawan |  | | Book | | flap) DATE DUE 1. San Juan region, Colo.âHist. Colorado. i. Title. 2. Silver mines and miningâ F782...(>.» 759 , 1SGG5 Son Juon Country (legend) County Lines Paved Highways Dirt roads Four Wheel Drive...the most spectacularly beautiful areas in all of Colorado. Its history, since earÂŹ liest times, is a particularly...first half of the nineteenth century. Optimistic Anglo-Saxon gold seekers once more penetrated its vertical...are located near the southwestern corÂŹ ner of Colorado. Here one finds the headwaters of inÂŹ numerable |  | | Journal (article/letter/editorial) | | Pennine Mountains near the town of Appleby, the Hilton mine is one of several mines in Scordale that were worked...much, if any, future specimen production from the mine. Location and Geologic Setting The Hilton and adjacent...northeast the equivalent term is burn, which has Anglo-Saxon origins. 114 highest of which is Cross Fell...meters). Scordale is located in the traditional county of Westmorland, which was combined in the early...portion of Lancashire to the west to form the modern county of Cumbria. The region around Scordale is sparsely |  | | Journal (issue) | | everywhere - classic wadi side. alds, amethysts, galena, copper and pink/white phenocrysts set in a reddish...(Geiseltal Museum, Halle) and visit to working open-cast mine at Schoeningen. The region has a wonderful cultural...Bob Symes. March 10 Obsidians from North Western USA - Dr Alison Rust. Contact Graeme Churchard 0117 967...- Kevin Baker. May 19 Kind Edwards Mine and Higher Condurrow Mine âŠ. The Movie. Contact Lincoln James...Email: elvin.thurston@virgin.net. Hastings and District Geological Society December 14 AGM and Christmas |  | | Journal (issue) | | long in clusters were mined at the Mashamba copper mine, in Zaire. When they were introduced at major shows...Arizona, comes to mind immediately, as the Southwest mine produced some of the most handsome, multi-inch,...the worldâs finestâhave come from the Milpillas mine, in Sonora, Mexico. Actual mining of this deep deposit...were discovered there, and from 2006 to 2012 the mine produced huge quantities of the worldâs finest azurites...inpection reveals the crystal rosettes. (Tsumeb mine, Namibia) irocks.com degree. The terms âbotryoidalâ |
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