 | | Journal (article/letter/editorial) | | Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile ROBERT MARSCHIK†,* Lehrstuhl für Lagerstättenlehre...coastal batholith near Copiapó, Chile. This belt includes the large Candelaria mine and a group of middle-...of magmatic origin. Anhydrite from the Candelaria mine paragenetically overlaps with chalcopyrite. Fluid...0361-0128/01/3208/1799-28 $6.00 batholith, southeast of Copiapó, Chile (Fig. 1, Table 1). This belt, referred to as...a) 25° 70° 69° 70˚15' W b) Atacama Fault Zone Teresita Copiapó N Taltal Providencia Prospect |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | de Geología y Geofísica, Universidad de Chile, Santiago, Chile RICHARD A. LEVEILLE, Phelps Dodge do Brasil...Minera Candelaria, Tierra Amarilla, III Region, Chile Abstract Re-Os isotopes are used to determine the...iron oxide Cu-Au mineralization at Candelaria, Chile, and to explore possible genetic links with the...initial 187Os/188Os ratio for sulfide from Bronce mine, a small satellite of the Candelaria orebody, is...deposits. Introduction about 20 km south of Copiapó, Chile (Figs. 1 and 2A). Candelaria is one of several |  | | Journal (article/letter/editorial) | | Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real, John F.H. Thompson, Jorge Carriedo...Cobre Iron Oxide Copper Gold district, Northern Chile, Ore Geology Reviews (2018), doi: https://doi.org/10...Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real (1), John F.H. Thompson (1), Jorge...Cobre, Candelaria Norte, Granate, Alcaparrosa, Atacama Kozan, Las Pintadas). The district, which is characterized...extensional back-arc basin (~132–130 Ma). The Copiapó batholith, which occupies the western side of the |  | Marschik, R., Singer, B. S., Munizaga, F., Tassinari, C., Moritz, R., Fontboté, L. (1997) Age of Cu(-Fe)-Au mineralization and thermal evolution of the Punta del Cobre district, Chile. Mineralium Deposita, 32 (6) 531-546 doi:10.1007/s001260050120 | Journal (article/letter/editorial) | | thermal evolution of the Punta del Cobre district, Chile Received: 2 July 1996 / Accepted: 11 March 1997...belt is located 15 km south of CopiapoÂ, northern Chile. It comprises several Cu(-Fe)-Au deposits in the...Ojancos Nuevo district, with the new Candelaria mine, and Las Pintadas district, west of the river. The...GeofõÂ sica, Universidad de Chile, Casilla 13518 Correo 21, Santiago, Chile C. Tassinari Instituo de GeocieÃncias...Tierra Amarilla, Chile 1 Introduction The Punta del Cobre belt is located in the Atacama region near the |  | | Book | | Cretaceous-Early Tertiary and Metallogenic Scheme of Northern Chile, Between 20· and 26· S T. Bogdanic C.I S. Espinoza...Northern South America, mainly covering Venezuela and Trinidad, was prepared by James L. Pindell and Johan P...Cretaceous geology and metallogenesis in the north of Chile. This is followed by a paper on Cretaceous evolution...the Cretaceous evolution of central Argentina and Chile in the present volume, due to force of circumstances...history of northern South America from Colombia to Trinidad, concentrating on the tectonic controls on sedimentation |  | | Journal (article/letter/editorial) | | kilometers (4,700 miles) from Colombia in the north to Chile in the south. They contain peaks second in height...meters (22,205 feet), Tocorpuri on the border of Chile and Bolivia is 6,873 meters (22,550 feet), and the...feet), marks the boundary between Argentina and Chile. Incredibly deep valleys and impassable terrain...margin of South America, from Colombia to the tip of Chile. divide into two ranges and bound a high-altitude...leaving little moisture for the incredibly dry Atacama Desert, where decades may pass without measurable |  | | Journal (article/letter/editorial) | | short of meetingthe requirementsof the country. In Chile, the well knownoperationsof BethlehemSteel at E1...originallyplannedfor a smallislandoff the coastof Trinidad, wastentativelyrelocatedto the southern coast...plant of the Nicaro Nickel Co. at Nicaro, Oriente Province,Cuba,in 1946 than at any time sinceit startedoperationsin...old Candida,Dora, and Franciscomines,also in the Province oœPinar del Rio, were abandonedearly in 1946 following...E1 Teniente plant during Octoberand Novemberand Chile Exploration Co.'s Chuquicamataplant during June; |  | | Journal (article/letter/editorial) | | Esq., F.(~.S. IN 1859, whilst travelling in the Province of Canterbury, I discovere~l certain beds underlying...years' absence, I ibund that a survey of that province had been completed by the Government Geologist...of fossils from Triassic deposits of the Nelson Province is placed; and an excellent one adorns the former...mass of oyster-shells, carbonized wood, and rolled quartz-pebbles cemented together, containing, along with...years sur r i ~ l the settlers in the Canterbury Province, ard afforded most striking evl~nce of the power |  | | Report (issue) | | hydrocarbon resources from oil fields, by petroleum province within Latin America and the Caribbean, from the...hydrocarbon resources from oil fields, by petroleum province within Latin America and the Caribbean, from the.......55 1–1. Global reserve estimates (2015) and mine production (2014–15) of nonfuel mineral commodities...hydrocarbon resources from gas-only fields, by petroleum province within Latin America and the Caribbean..........extra-heavy crude from oil fields, by petroleum province within Latin America and the Caribbean....... |  | | Report (issue) | | . . . . . . . 17 Quartz, Slate, Flint, Obsidian, Crystalline Quartz, Rose Quartz, Opal, Onyx, Topaz.... . . . . . . . . . . . . . . . . . . . . . 29 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 33 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 35 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 38 Chile . . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | ILLUSTKATIONS >Fage PLATE I. Molybdenite from quartz veins: A, From Railroad Creek near Lake Chelan...Calif______________________ II. Silicified and sericitized quartz porphyry (?) carrying molybdenite along veinlets...powellite, altered from molybdenite, from a pipe in quartz monzonite in the Deep Creek Mountains, 4 miles...County, Utah; B, Sericitized quartz porphyry breccia with a cement of quartz, sericite, and molybdenite_________________...from pipe (?) in granite, George Fast's mine, near La Trinidad, Sahuaripa district, Sonora, MexicoVII |  | | Journal (issue) | | PAGE ARTICLES The Geology of the Toco District, Trinidad, West Indies. Part 2: P·etrology, Metamorphism... Illustrations The Geologyof the Toco District, Trinidad, West Indies, Part II Plate III Fig. 6 Fig. 7...W.1 .. X THE GEOLOGY OF THE TOGO DISTRICT, TRINIDAD, 1 WEST INDIES By K. w. BARR, Ph.D., F.G.S....of sandstone, shale or limestone, and scattered quartz grains may occur. Occasionally small volcanic bombs...augite chl. - chlorite qtz. quartz THE GEOLOGY OF THE TOCO DISTRICT, a TRINIDAD, 3 WEST INDIES d '/·:::\::·-~-P |  | | Journal (article/letter/editorial) | | ORGAI~IC RE~AII~S in the CARZBBEAI~ SERIF~S of TRINIDAD. By R. ~'. LECHMEREGUPPY,"Esq.,F.L.S., F.G.S...., President of the Scientific Association of Trinidad, &e. &c. [Abstract.] T]z~. author described the...and as extending eastward through the north of Trinidad to Tobago. It consists of gneiss, gneissose, talcose...strata on the Bolivian coast and in the desert of Atacama, According to M. Pissis, an extensive series of...Prof. Dana. The northern range of mountains of Trinidad is composed entirely of rocks belon~ng to the |  | | Journal (issue) | | ARTICLES I The Geology of the Toco District, Trinidad, West Indies. Part I : Introduction, Stratigraphy... Illustrations The Geologyof the Toco District, Trinidad, West Indies Plate I Plate II Fig. Fig. I 2...Generalised geological map of eastern Venezuela and Trinidad showing the location of the Toco district . page...eastern Venezuela and Trinidad . • • Geological Map of the Toco District, Trinidad, W.I .. • Fig. 5 ''... 1. • • THE GEOLOGY OF THE TOGO DISTRICT, TRINIDAD, WEST INDIES By K. w. BARR, Ph.D., F.G.S. CONTENTS |  | | Journal (article/letter/editorial) | | imbedded in white calote which he collected on some mine dumps around Marble Peak in the Santa Catalina Mountains...fluorite have come from the J. L. Davis fluorite mine, Cave-inRock, Hardin Co., 111. I N D I A N A : Last...highway, is a remnant of a never-too-large coal mine dump. A part of this waste dump are rocks called...specimens which he collected at the old Cape Rozier mine at Harborside, Hancock Co., Me. A letter from him...mines of eastern Maine. "Actually the Blue Hill Mine is only one of many in Blue Hill, and there are |  | | Journal (issue) | | PAGE ARTICLE The General and Economic Geology of Trinidad, B.W.I. By H. H. Suter, Ph.D. (Part 2-Petrology...Ilus !rations The Generaland EconomicGeologyof Trinidad, B. W.I. (Part 2) Plate II Panoramic View of...Field • '' Fig. 8 Regional Geologic Map of Trinidad and Orinoco Basin '' 298 Fig. 9 Tecto-Facies.... - '' 299 Fig. 10 Palaeo-Geologic Map of Trinidad depicting conditions in Early Miocene times ....Stratigraphic N-S Section through tl1e Main Basin of Trinidad . . . . . . '' 306 ••• Vlll • . page 287 |  | | Catalog/List | | Some of his favorite memories are of collecting quartz in Montana, calcite in Utah, silver, galena, sphalerite...this Che Kevin Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake....is a good that met every sized one plate of quartz of those qualities Cry stals w th large This...definately do not detract those and of speak to points quartz incomplete of scattering a is in excellent condition...years to find a specimen rhombs rhombs Climax Mine, ot rhodochrosite $50 OOU 60.000 Ex The |  | | Journal (issue) | | ARTICLES The General and Economic Geology of Trinidad, B.W.I. By H. H. Suter, Ph.D. (Part 1) • • • •...Guiana • • • British Honduras • • • Jamaica • • • Trinidad . • • • • British Solomon Islands Protectorate...and Economic Geology of Trinidad, W.B.l. (Part 1) Geological Map of Trinidad . • • • . betweenp...and p. 183 • • Fig. l Geomorphologic Map of Trinidad • • • 182 Fig. 2 Diagrammatic Section showing...showing kinds of '' Pebble Beds '' observed in Trinidad, and relations between '' Conglomerates,'' Zones |  | | Report (volume) | | shale __________________________________________ ~ Trinidad sandstone_ _ _______ __ __________ __________...area_________________ 2. Representative analyses of mine samples of coals of the Starkville-Weston area_...area of about 245 square miles. It is part of the Trinidad coalfield in the Raton Mesa region of southeastern...Great Plains physiographic province, the rest, near the town of Trinidad, is in the Chaquaqua Plateau...part of the Raton formation, Vermejo formation, Trinidad sandstone, and the upper beds of the Pierre shale |  | | Report (issue) | | of Ciudad Quesada and Aguas Zarcas, in Alajuela Province. The area, which covers more than 100 km2, is...breccia Naranjo Quadrangle 87CRB12 quartz vein material 87CRB13 quartz vein material 87CRL06a granodiorite...pyrite 87CRB17 quartz veins Beta Vargas and Canamazo BV1 banded quartz vein B V2 banded quartz vein BV3 banded...banded quartz vein B V4 banded quartz vein B V5 banded quartz vein CM1 banded quartz vein CM2 banded quartz...quartz vein CMS banded quartz vein Southeastern Anomalies 87CRL01 altered andesite 87CRL02a granodiorite |  | | Report (volume) | | Coal Resources of the Trinidad Coal Field in Huerfano and Las Animas Counties, Colorado GEOLOGICAL SURVEY...SURVEY BULLETIN 1112-E Coal Resources of the Trinidad Coal Field in Huerfano and Las Animas Counties...Cretaceous age_______ _____________________________ Trinidad sandstone ____________________________________...map of the Trinidad coal field._______________ In pocket FIGURE 18. Index map of the Trinidad coal fie...TABLE 1. 2. 3. 4. 5. Analyses of coals from the Trinidad coal field-_________-___-Classification of coals |  | | Journal (article/letter/editorial) | | Barbados and Bahamas are discussed but not Trinidad. (Trinidad was included in JENKS' 'Handbook of South...is little known generally (contrast e.g. with Trinidad), has received more attention in recent years...surrounded by waters ca. 90 m deep, shallowing towards Trinidad. Both Principe and Sao Tom6 are located within...monotonous series of quasihorizontal sandstones, quartz-conglomerates and quartzites, along with problematical...Lower Carboniferous. ADIE (1957) claimed that the quartz-rich Sandbugten beds at tile base of the Cumberland |  | | Journal (article/letter/editorial) | | l » l l g l l « l»ll» t Mining Black Sand in Trinidad, Calif. Downloaded by [University of Florida]...gold mining in upper California—at Trinidad, Humboldt County. Trinidad is a little town on the Pacific coast...upper California near the old whaling station at Trinidad. I brought the water from a spring in the hill...P. E. Secor mining gold bearing black sand at Trinidad, California. 56 ROCKS AND MINERALS Downloaded...present—black magnetite, brown monazite, colorless quartz, black rutile, and colorless zircon that fluoresces |  | | Journal (issue) | | ARTICLES The General and Economic Geology of Trinidad, B.W.I. By H. H. Suter, Ph.D. (Part 3-General...CORRESPONDENCE Test for distinguishing Beryl from Quartz. MINERAL A.ND META.L PRICES . From . •• Vll...Generaland Econo1nicGeologyof Trinidad, B. W.I. Economic Geological Map of Trinidad • • • . facing p. •...Examples of Electric (Miocene) Sands Logs of Trinidad • . • Tertiary • • Fig. 13 Section through...Digity Sector • Fig. 14 Variation Diagram of Trinidad Crude Oils • Fig. 15 46 • San Fernando Hill |  | | Journal (article/letter/editorial) | | collected in 1970 from a basalt-capped paleosol near Trinidad, WA (47°16′45″ N, –119°58′59″ W), as recorded...roadcut along Washington State Highway 28 at the Trinidad Grade. At the site, a paleosol 30–40 cm thick...SOIL CLAYS 35 Figure 1. Photos of field site at Trinidad, Washington, U.S.A. (a) Plumes of sediment mixed...paleosol indicated smectites, goethite, and minor quartz. Analyses of hand-separated samples of color bands...kaolinite, goethite, and quartz. The green-tinted silica layer contained quartz with minor smectites and |
|
