 | Souza Neto, João Adauto, Legrand, Jean Michel, Volfinger, Marcel, Pascal, Marie-Lola, Sonnet, Philippe (2008) W–Au skarns in the Neo-Proterozoic Seridó Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit. Mineralium Deposita, 43 (2) 185-205 doi:10.1007/s00126-007-0155-1 | Journal (article/letter/editorial) | | Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit...located in the Borborema Province in northeastern Brazil and consists of a gneiss basement (Archean to Paleo-Proterozoic)...Recife, Brazil e-mail: adauto@ufpe.br J. M. Legrand Departamento de Geologia, Universidade Federal do Rio...Rio Grande do Norte, Campus Universitário, Lagoa Nova, CEP 59.072-970 Natal, Brazil M. Volfinger : M.-L...Bonfim . Borborema Province . Seridó Mobile Belt . Brazil Introduction Skarn deposits host a large variety |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Report (volume) | | _________ Siria mine ________________________ ------------- __ ----Los Hornitos mine ______ ;_______...mine____________________________________ La Uni6n mine ________________ -----------------------(}uatem...______ __ ____ ______ _ 48 48 49 50 51 51 51 La Paz mine ______ ---------------------------Cabanas distr...district___________________________________ La Joya mine ____ ----------------------------La Corona depos...~ateoprospect-----------------------------------~ataquescuintla mine _____________ ---- __ -----__________ Los Sandillales |  | | Journal (issue) | | were some of the words used to describe a lluorite mine in the San Andres Mountains of New Mexico. The author...location for a possible collectin_g ve~ture. The mine was determined to be the Bohrnstedt lluonte mme...for us to reach the mine. This was accomplished and we eventually reached the mine (which included a hike...crystals covered the mine area and it appeared that no one had visited the mine since the U. S. Army...Army had closed the area in the 1940s. The "mine" was really a prospect as it consisted of a trench cut through |  | | Journal (article/letter/editorial) | | sphalerite,galena,chalcopyrite,arsenopyrite, stibnite,barite,andtetradymite(?)havebeenfoundat variousdepths...al., canic field overliesthe westernedge of the Rio 1990), highlightedby investigations on fluids and...pastandpresent. Espan51a and SantoDomingobasinsand the Rio FIG.2. A. Mapof theVallescalderaregionshowing locations...AlteredZones Normal Fault 1806 GOFF AND GARDNER Grande rift underlie the volcanic rocks on the eastern...considerablythicker than exing structuresassociatedwith the Rio Grande rift. pected at this location("-335 m) implyingseveral |  | | Journal (article/letter/editorial) | | deposits of present hot’ springs more closely than they do the deposits in active fumarolic vents, as YATES...although. as they also emphasized: these comparisons do not rule out the possibilit,? that some of the mercury...14. 11. .d .1 < 1. Analyst H. Kramer The B QEB mine on the west slope of the White Mountains in Esmeralda...ore body of the Corder0 mine in Humboldt County, Sevada.‘” The Corder0 mine is situated in an area of...alluvium and slope wash. The only outcrops in the mine area are knobs of silicified, brecciat,ed rhyolit |  | | Journal (issue) | | Los Angles Mexico Special Issue II The Ojuela Mine Preface to Mexico-II1.............................in the San Judas chimney, Level 6, of the Ojuela mine. Houston Museum of Natural Science collection; Wendell...headframes and processing facilities of the Ojuela mine ca. 1900. The famous suspension bridge designed...to announce that the decision has now been made to do so, in a limited edition of 300 copies each. In fact...Mexican localities that came to mind was the Ojuela mine, source of countless thousands of wonderful mineral |  | | Journal (issue) | | occur where they But geology is do. human issues, including the do when a well runs dry. also about...order code Z114. refimd and three-year warranty. We do not reilmd postage. Argonaut™ Watches for just $198...their free-living relatives do. Life because their hosts is simple do the hard work of moving about...Heritage, in the sale of Natural History can help you do that. the unchallenged world leader Our next Natural...Some mice shop for way people new home much the a do: they repeatedly visit tiny radio collars in a |  | | Report (issue) | | have come from Copperopolis and Campo Seco. Del Norte County: The limestone near Gasquet contains foliated...specimens have come from the Manzanita mine, and also from the Elgin mine. Imperial County: The mud volcanoes...fluorite and gypsum have been found in the Defiance mine. .A small deposit is reported in the mountains east...Spriiijrs. Native sulpluir at 11 the SuiLshiue mine. Last Chance ^lountains. Kern County: On both...district. Lake County: At the Sulphur P>ank quicksilver mine, situated on Clear Lake, a very interesting deposit |  | | Book | | incompletely characterized hydromicas-these nebulous species do not form visible crystals and in themselves are never...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | | Report (issue) | | penetrate the water level and have been since the mine of metallurgist Mississippi appear with incline... what del Tierra. interest of Ute the Ortiz mine. as metalliferous workings as exist head famous...in Santa mine of Pinos camp The first experiments in were at Dolores one Aztec mine at Baldy... 1870 the remnants of still in evidence in the mine. is not the known. old canoe This curious... Territory, in complete mines situated in Norte, a in latitude mule but not on of min- province |  | | Journal (volume) | | between pages 14-15 mine, Fresno County, California. Geologic map and (A-B) of Mercy mine area. Sketch map...PLATE IV — Valley Lea-Grant mine area, San between pages 28-29 View mine, San Benito County, California...section of Valley View mine area. Sketch maps and map and section of PLATE V mine workings between pages... Geologic maps and sections of the Lucky Strike mine, San Benito County, California between pages 32-33...California Fig. 2 of El Fig. of Yturriarte mine, Rey mine, San Benito County, California San Benito |  | | Journal (issue) | | ............................................. STIBNITE ONCE KNOWN AS ALCOHOL ..........................Association assists a member who may want to visit a mine or a quarry for the purpose of collecting minerals...though a mineral collector can be of no aid to a mine or quarry he is neverthleless sincerely and scientifically...mineral collector simply to gain admission to a mine or quarry. An American traveling abroad needs a...disposal they made a special trip to a noted gold mine in Ontario for the purpose of collecting a few minerals |  | | Journal (article/letter/editorial) | | from 1900 to the middle 1940s; but the Mariposa mine, which produced most of the rare minerals, ceased...wrote for Rocks & Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April...(Zeitner, 1972). Altuda Mountain district, Bird mine, 8 miles E of Alpine on a N projecting ridge. Worked...Standen, 1983). Altuda Mountain district, Bissett mine, 14 miles E of A l pine on E slope of Bissett...Bend National P a r k , Mariscal mine ( = Ellis, Viviana, or Lindsey mine), 26 miles S E of Study Butte |  | | Book (volume) | | pegmatite, shoreline, quarry, gravel pit, prospect, mine, etc.). Let’s take, as an example, under the heading...as in quarries, gravel pits, sand and clay pits, mine diggings and dumps, abandoned prospects, and excavations...minerals, or fossils; there are texts available that do this remarkably well, providing keys to identification...techniques of collecting. The county maps in this volume do not include every county of the state in question;...starting point. When visiting any of these locations, do not make the mistake of checking out only the precisely |  | | Report (issue) | | for uranium mineralization on the Parana Basin, Brazil ... P.M.C. Barretto 156 159 173 NORTH AMERICA...Assured Resources are also identified for Australia, Brazil, Mexico, South Africa, Spain, Turkey, and Yugoslavia...Assured Resources have been identified in Australia, Brazil, Mexico, South A f r i c a , Spain, Turkey, and...Cretaceous and Tertiary rocks. Roll-front deposits do occur in older rocks, such as the Jurassic Morrison...the remaining 5 percent distributed in Australia, Brazil, Japan, Mexico, Spain, Turkey, and Yugoslavia. |  | | Report (issue) | | along the margin of the Colorado Plateau and Rio Grande rift, northern New Mexico, by Gonzalez and Dethier...terminates in Albuquerque, focus on features of the Rio Grande rift. We will visit the New Mexico. The first...field, with stops at a classic the present-day Rio Grande rift and also examine the Pro- shield volcano...(Figs. 1, 2), and a general introduction to the Rio Grande rift (see IGC guidebook for Day 3, Callender... F., Hawley, J. W., and Keller, G. R., 1989, Rio Grande rift: 28th International Geological Congress |  | | Book | | composition between acidic and basic rocks. drift mine Adit(s) driven into gravel. euhedral Characterized...zw 0 Q. a:, ~~ 0 SYMBOLS Lode gold mine Placer 9old mine SCALE 0 2 3 MILE S ===---=== AMADOR...or more in thickness, was found in the old Eureka mine (Sec. 8, T. 6N, R. 1lE, M.D.M.). C. A. Logan, 1934...gold from this county: Central Eureka mine, .839; Kennedy mine, .825. Butte County: 1. The gold from...l EXPLANATION --• •• s •• ~ Adit ~ Hydraulic mine Tertiary channel ••• • hore grovels )" Shaft | | | Book | | composition between acidic and basic rocks. drift mine Adit(s) driven into gravel. Characterized by the...Schist, slate and metachert Lode gold mine Plocer gold mine MILES AMADOR COUNTY CALAVERAS COUNTY...or more in thickness, was found in the old Eureka mine (Sec. 8, T. 6N, R. 11E, M.D.M.). C. A. Logan, 1934...reported the fineness of Central Eureka mine, .839; Kennedy mine, .825. The gold from this county has...channel ^ Shore gravels Shaft Adit Hydraulic mine SCALE 0 Map 2-4. Sketch Creek District 1970a |  | | Book (edition) | | directly on Dana's System these works. In order to do so I secured the permission of both the late Prof...and quarries, see under Quartz, Flint and Chert, Rio Arriba Countv, and Church and Hack (1939) ,1938;...inlays, etc., in the Chaco ruins, as at Pueblo Bonito where more than 50,000 pieces and items of turquoise...YuqueYunque, near the junction of the Chama and Rio Grande, he found beautiful glazed pottery and "many...by Christians." 1582.— On their way down the Rio Grande Valley, somewhere between and the San Mateo Mountains |  | | Report (issue) | | 1. A.-Ore deposition and enrichment at the Magma mine, Superior, Arizona: Am. Inst. Min. Eng., Trans.... silver, and lead ores. Mammoth district. Casa Grande district, with ores of copper and silver. Goldfield...flakes at the Empire mine, and as small masses of wire silver, Flora Morrison mine. Bisbee district, in...chalcocite, more rarely with halloysite. Commonwealth mine, Pearce, with cerargyrite, embolite, and jarosite...at the Continental mine, as stout wires in the oxidized ore of the Old Dominion mine. Fine specimens from |  | | Report (issue) | | America........................................... Brazil............................................. Argenti...Shield-Bancroft district and nearby areas, (3) eastern Brazil areas, (4) Central and Western Europe, (5) southern...Africa, India, Madagascar, Finland, U.S.S.R., and Brazil); (2) at the margins and locally along the axial...Joachymov, Czechoslovakia, and at Schwartzwalder mine, Colorado, U.S.A.). Uranium deposits have been found...Mediterranean Sea from Morocco to Israel, and near Recife, Brazil . Uraniferous phosphorite fills large depressions |  | | Report (issue) | | silver, and lead ores. Mammoth district. Casa Grande district, with ores of copper and silver. Goldfield...flakes at the Empire mine, and as small masses of wire silver, Flora Morrison mine. Bisbee district, in...chalcocite, more rarely with halloysite. Commonwealth mine, Pearce, with cerargyrite, embolite, and jarosite...ca1citeat the Continental mine, as stout wires in the oxidized ore of the Old Dominion mine. Fine specimens from...of the Silver Butte mine, Graham County-Ar avaipa district, at the La Clede mine. Maricopa County-From |  | | Report (issue) | | Photo on title page: Lake Fork valley from Frazer mine, Twining Fairview Mountain at right NEW MEXICO...106 Geologic History 109 Economic Geology 110 RIO HONDO DISTRICT 110 Geology, mineralization, production...Alteration 113 Mineralization and production 115 Questa mine 119 ELIZABETHTOWN-BALDY DISTRICT 120 Hematite Creek...Tertiary granites 6—Chemical analyses of Questa mine stock 7—Correlation of glacial deposits in Lake...11—Stratigraphic column of early Tertiary sediments at Stella mine 12—Photomicrographs of Tertiary intrusive rocks |  | | Report (issue) | | ------------------------------------Baja California Norte ----------------------------Baja California Sur..."Metallo" derives from the Greek "metalleion"-a mine, after "metallan"-to search for; hence, metallogenic...used ones, giving alternative names or principal mine or mines where they may help the user identify the...the entry. Terms such as district, area, mine, or prospect are added to many names to give additional...perimeter A9 and hachuring or an outcrop line, C. A mine location within a large district may be designated |
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