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| zones, West Santa Comba-Fervenza Area (Galicia, NW Spain): A mineralogical study R. Castroviejo E.T.S...Polit6cnica de Madrid), c/ Rios Rosas, 21 - 28003-Madrid (Spain) Received: May 1989/Accepted: September 6, 1990...terranes, some 40 km NW of Santiago de Compostela (NW Spain). The orebodies are bound to late-stage Hercynian...Ore mineralogy, alteration, and ore textures define a frame whose main features are common to all prospects...defining a meso-catathermal paragenesis. Detailed microscopic study allows the author to propose a general |
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| January so, 1899 J UST a year ago a study was begun on tellurium. T h e mate- rial at hand on which the...chlorides of the soluble elements were formed, while a highly siliceous residue remained insoluble. T h e...when tellurium was precipitated in a finely divided condition. A process similar to the above is at present...subsequent precipitation from a hydrochloric acid solution by sulphur dioxide. A number of methods for obtaining...depend on the precipitation of the tellurium from a hydrochloric acid solution by sulphur dioxide. Berzelius |
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| January 2001 The Mineral-Collector's Newsletter A Page From A Collector's Notebook: Moat Mountain, Albany...arite, bavenite, and topaL. Bob Eastman had shop in a barn full o f Moat Mountain , pec ime ns and other...in Ossipee, New Hampshire. There were specimens of A all sizes and quality, all very reasonably priced...Rare Minerals 342 Fore-st A venue Massapequa, NY 11758-5707 A - It is a great pleasure to report some...self-collected by Mike Miller of Lincoln Park, NJ in 1998 on a road-cut in the vicinity of the Jersey Gardens Mall |
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| amounts of silver, lead, cop per, and zinc. T H E C A M P B I R D M I N E , located 6 miles southwest of...referred to as the Switzerland of America and is a mecca for mineral collectors, back packers, and four-wheel-drive...of over 400 inches not uncom mon. Avalanches are a constant danger during the winter months, and many...Bird mine and other gold mines in the " S a n Juan Triangle," S a n Juan Mountains, Colorado. Walsh discovered...profitable and famous mines in Colorado and made Walsh a millionaire many times over. Profits from the mine |
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| Building, LIBRARY LWIVERSITY OF CAUPORNI/. T~» A T7-TO San Francisco, 1960 OF ^^S^ !^< EDMUND...DEPARTMENT OF NATURAL RESOURCES DIVISION OF MINES ^Vl^A-jAN CAMPBELL, Supplement to Q^ Chief :f-/">>i Bulletin...Inyo County: 1, Coarse grained allanite occurs in a pegmatite, about 4500 ft. S. 30° W. of Jackass Spring...hornblende occurs in coarsely crystalline masses in a diorite pegmatite, 4 miles southeast of Camp Irwin...County: 3, Watters (p.c. '58). Mendocino County: 1, A quarry 5.1 miles north of Longvale on U.S. 101 has |
 | Ruggieri, Giovanni, Lattanzi, Pierfranco, Luxoro, Silvana S., Dessi, Roberto, Benvenuti, Marco, Tanelli, Giuseppe (1997) Geology, mineralogy, and fluid inclusion data of the Furtei high-sulfidation gold deposit, Sardinia, Italy. Economic Geology, 92 (1) 1-19 doi:10.2113/gsecongeo.92.1.1 | Journal (article/letter/editorial) |
| andinterlayered epiclastic andsedimentary sequences. A phreatic and/orphreatomagmatic diatreme breccia alsocropsoutin...(markedbythe presence of montmorillonite), whichpasses to a districtwide propylitic alteration halo. The ores...in silicabodies.The Furteimineralization comprises a surficial oxidized zoneof supergene natureanda deeperprimarysulfide...zone(upto 300 m of verticalextension) is characterized by a verticalzoningof the mineralassemblage: at higher...datasuggesting the presence of an intrusion at approximately a 1- to 1.5-kindepth.A few relatively highsalinity (around |
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| the con tinent–ocean interaction zones, and, as a result, orig inal geotectonic concepts—lithospheric...noblemetal mineralization of the region was sponsored by a great number of oregenetic systems. The latters caused...hensive work of the Far East geologists [14] lacks a def inition of the term “model type of deposits.”...related to the great body of available factual mate rial over the entire spectrum of ore deposits of different...groups, which is difficult to include even in such a large (121 printed sheets) work [14]. In our opinion |
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| CANADA DEPARTMENT OF ENERGY, MINES AND RESOURCES A CATALOGUE OF CANADIAN MINERALS R. J. Traill ' GEOLOGICAL... GEOLOGICAL SURVEY OF CANADA CANADA PAPER 69-45 A CATALOGUE OF CANADIAN MINERALS R. J. Traill DEPARTMENT...Canada Ottawa 1970 A CATALOGUE OF CANADIAN MINERALS INTRODUCTION PREVIOUS WORK Over a century has elapsed...chemical composition . Wilhoul attempting to follow a rigidly scienti fic classification we shall first...alphabetically, a nd made no attempt to list all occurrences of eac h mineral. A quarter of a century later |
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| Glossary o f Scottish mineral species—an update A. L I V I N G S T O N E Department of Geology, Royal...Scotland, Chambers Street, Edinburgh EH1 1JF Synopsis A literature survey over the period January 1981 to...species new to Scotland have been discovered. This is a 3 2 % increase over the previous decade and results...investigations into a wide variety of Scottish mineral assemblages have brought to light a wealth of information...amphibole nomenclature of Leake (1978) is retained. M a n y authors give only very general localities, and |
 | Prokof’ev, V. Yu., Bortnikov, N. S., Kovalenker, V. A., Vinokurov, S. F., Zorina, L. D., Chernova, A. D., Kryazhev, S. G., Krasnov, A. N., Gorbacheva, S. A. (2010) The Darasun gold deposit, Eastern Transbaikal region: Chemical composition, REE patterns, and stable carbon and oxygen isotopes of carbonates from ore veins. Geology of Ore Deposits, 52 (2) 81-113 doi:10.1134/s1075701510020017 | Journal (article/letter/editorial) |
| Bortnikova, V. A. Kovalenkera, S. F. Vinokurova, L. D. Zorinab, A. D. Chernovac, S. G. Kryazhevd, A. N. Krasnovd...Krasnovd, and S. A. Gorbachevaa a Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry...are considered. Earlier established evidence for a magmatic source of oreforming fluid and participation...orebearing fluid and its particular components is a basic problem in the theory of ore for mation. To...isotopes and REE patterns. In this paper, the results of a comprehensive investigation of carbonate minerals |
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| of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A summary of the... MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT This is a summary of the known...1858, when gold was discovered, through 1957 (with a few additions for 1958 and 1959) is supplemented by...metallic mining districts in the State, as well as a large number of other noteworthy mineral localities...literature on the subject. INTRODUCTION This is a summary, not of the mineral resources or mineral industry |
 | Beddoe-Stephens, B., Shepherd, T. J., Bowles, J. F. W., Brook, M. (1987) Gold mineralization and skarn development near Muara Sipongi, West Sumatra, Indonesia. Economic Geology, 82 (7) 1732-1749 doi:10.2113/gsecongeo.82.7.1732 | Journal (article/letter/editorial) |
| to 35 at. percentAg and up to 0.8 at. percentCu. A suiteof alluvialgoldsin the area have negligibleCu...and 45 to 65 at. percent Ag and can be related to a nearby suite of Tertiary epithermal quartz veins....subsequently channeledupwardalongfaultsto be depositedin a favorableenvironment. The gold wasmostprobablytransportedby...skarnoid rockshaslong been recognizedin the area a few kilometerswest of the village of Muara Sipongi...re- gionalmappingof Sumatranorthof the equatorby a British-Indonesian * Present address: British Geological |
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| • V . I V |in e r d lo g ic a l R e c o r c T $2 .0 0 Volume Seven/Number Six NOVEMBER - DECEMBER...DECEMBER 1976 K R IS T A I.IF , Wayne and Dona Leicht 332 Forest Avenue, # 8 Laguna Beach, Calif. 92651...(Evenings by appointment only) .. i n e r a l o e i c a l l^ c c o rc l S e v e n /N u m b e r S ix.....................................278 by Richard A. Kosnar and Harold W. Miller Famous Mineral Localities—Saint...Mineralogist associate editors written content: Richard A. Bideaux Mineralogist Paul E. Desautels Supervisor |
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| ARE SOLICITED. F R A N C IS PAUL G E O S C IE N C E B O O K S A N D P E R IO D IC A L S 4 9 FO URTH AVENUE...$ 3 .5 0 , 1" $ 2 .5 0 E. J ager et al, M in . M a g . 3 2 , 10-2 5 (1 9 5 9 ) • ref: • single, ...4 0 miles S.E. of Blinman, S. A ustralia • N aru shim a, N a g a s a k i-k e n , Kyushu, Japan colorless...specimens show J apan law twins to $ 2 5 .0 0 some d a m a g e from $ 4 .5 0 to $ 1 2 .5 0 <&Ann Frazier 1...7 2 4 University Ave. • Dealers in: Berkeley, C a lifo rn ia 9 4 7 0 3 • 4 1 5 -T H 3 -7 5 6 4 rare |
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| lgbe . SEA a | . - on a ate 1 Sf Pie’ elie i - INVENDA Neha? = oe a. The Geological...Page BAUS OIL VACl eR eeeeee Oe TIN error A TRAN oe Per a ne ce Aa LINER ODU CLIO Nine Meee tent Sg earns...PEERS at dha Gece nants ROPER EIEIO i, Phas Seec a aur nei ee aE on ee ee ee ee ee ra Oe Au, ea Sere...VASIND as SSieee oon Kore @xatelesn( CARS —ie))u «a caksGa a onde balan HUES EA aoe ey Amat oceke 171 TANBINS...powder pattems for culfosalts (183-193) e/a jinnc ie pina ph a Anas powder patterns for sulfosalts. (194-204) |
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| The Absaroka-Gallatin volcanicfield (Fig. 2) is a belt of Eocene intrusive and more voluminous extru-...mud flows, structure.Thisloggingandsurfacemappingat a scale volcanicconglomerates,and tuff (Iddings, 1895;...alterationsequence,sulfideassem- CookeCity faultzone(Fig. 2). A numberof intrusive blage,moderateto highsulfidecontent...composition from andesitcto dacite(Fig. 3). Most along a northwest trend and generally become of the dacit...partialdolomitization Cambrian sedimentaryrocks which have a total commonandprobablyhasa diageneticorigin. Faults |
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| particles, flakes) with a monocrystal diffraction pat tern of some particles and a ring diffraction pattern...of the Urals (15–55%) (Vikentyev et al., 2006). As a whole, data on Au speciation in VHMS ores of the Urals...Criddleite Nagyagite, buckhornite, museumite Kurilite Petzite, calaverite, krennerite, sylvanite, montbrayite...currently established for gold deposits (on the basis of a number of physical methods) that “invisible” gold...sul fides or occurs in the structure of sulfides as a solid solution (Fleet, Mumin, 1997; Tauson et al |
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| revive a general interest in minerals and mineral collecting; to instruct beeinners as to how a collection...and the printing of many articles that have been a distinct contribution to mineralogy. Those of our...mineralogy a national recognition. Among your friends there must be many who would like to have a part in...the Association by nominating them for membership? A nomination blank will be found elsewhere In this Issue...standing receive : ( 1 l Rocks and Minerals, a monthly magazine. (2 ) A member's identification card that secures |
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| MOUNTS ON FILE AT THE GEOLOGICAL SURVEY CF CANADA A reference file of approximately 650 X-ray diffraction...Geological Survey of Canada. Presented in this paper is a list of the patterns on file as o f April 1, 1957...alphabetically by mineral names. Where several varieties of a mineral are represented, they are listed under the...minerals used for this compilation were obtained from a collection, classified according to Dana's system...c ar efully selected under a microscope to ensure purity, then ground to a fine powder in an agate mortar |
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| // a^) ^ y&j' **■ s ■ ^.r " v/*v -v M-4S WTi •:;• tv- y• * • ^ EXECUTIVE EDITORS Rudy Bradbury...EDITORS Joel Arem New Carrollton, Maryland Margaret A. McBrien Lynn, Massachusetts Richard D. Dayvault...University Claude L. Schapers Granada Hills, California A. A. Giardini University of Georgia Paul Seel Bala-...Dave and Kay Jensen Tips for Preparing A Display Case Simone Wood A Modified Method for Dopping Stones S...Iii This Issue. . . ROCKS AND MINERALS gives you a whole series of helpful "how-to" hints. Ideas to help |
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| archipelago, known as the "Mobile Belt," passedfrom a geosynclinalto a platform stage. The ore depositsappearto...the Mobile Belt. The deposits considered hereare (a) chromite,(b) massivepyritic, (c) pyrometasomatic...specificallyBagacay, Barlo, and Hixbar, exemplify, in that order, a range of geologicsettingsin which structure appearsto...depositsappear to have originated toward the close of a period of Tertiary volcanic activity. They were emplacedeither...within the pile, or else at the interface where such a pile passesstratigraphicallyupward into sedimentary |
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| A Range Guide to MINES and MINERALS " How and Where A ,-A 1 to Find Valuable Ores and Minerals...MINERALS A by Jay Ellis Did you know that Ransom it’s possible still stumble over a valuable...range. For easy identification, the book provides a comprehensive, alphabetical listing of 400 mineral...and physical characteristics of each, as well as a dis- cussion of the basic kinds of rock: igneous...https://archive.org/details/rangeguidetomineOOrans A Range Guide to Mines and Minerals Other Books |
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| ways to identify minerals in the field and build a spectacular collection Featur·es in-depth profiles...shaped crystals formed by stilbite, many minerals are a visual treat, and check-boxes on crystal habit, colour...to identify and categorize all finds accordingly. A stunning visual introduction to mineralforming environments...given in the directory. Special feature boxes build a bigger picture of the key factors behind mineral formation...ways to identify minerals in the field and build a spectacular collection Features in-depth profiles |
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| Smithsonian Institution editorial board Richard A. Bldeaux Mineralogist Paul E. Desautels Supervisor...afore-mentioned address, and should be accom panied by a stamped, self-addressed envelope. No respon sibility.........................106 by Dwight Weber and R. A. Gaal Descloizite from the C and B Vanadium M ine...Connecticut................................114 by William A. Henderson The Mineralogy of the Department of Oruro.............. 125 by Robert B. Cook, Jr. What’s In a Name: Starkeyite vs. Leonhardtite................ |
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| $3.95 A GUIDE TO FIELD IDENTIFICATION MINERALS OF THE WORLD (TV /^ r h '/ ^S^ SfMlj^T^J^M A... A FIELD GUIDE AND INTRODUCTlffN TO THE GEOLOGY AND CHEMISTRY OF MINERALS MIN OF THE WORLD by CHARLES...CHARLES A. SORRELL Professor of Ceramic Engineering School of Mines and Metallurgy University of Missouri...illustrations provide the mineral enthusiast with a refer- ence catalog for identification not available... Watson; Assistant Professor of Geology, William A. Crawford and Maria Luisa Crawford (Curator); and |
