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Porphyry from
Lomas Bayas Mine, Sierra Gorda, Antofagasta Province, Antofagasta, Chile


Locality type:Mine
Classification
Type:Porphyry
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Porphyry data
Locality Data:Click here to view Lomas Bayas Mine, Sierra Gorda, Antofagasta Province, Antofagasta, Chile
Data Identifiers
Mindat Occurrence Record ID:1216210
Long-form Identifier:1:3:1216210:9
GUID (UUID V4):0613d2e3-d78a-47ac-a371-9f2f13e0ff36
Nearest other occurrences of Porphyry
3.8km (2.4 miles) Fortuna de Cobre porphyry copper mine, Lomas Bayas mining district, Sierra Gorda, Antofagasta Province, Antofagasta, Chile
99.0km (61.5 miles) Zaldívar Mine, La Escondida Mine, Escondida, Antofagasta, Antofagasta Province, Antofagasta, Chile
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
of the Antofagasta–Calama Lineament in ore deposit deformation in the Andes of northern Chile Carlos...Eocene, and Late Eocene–Early Oligocene. The Antofagasta–Calama Lineament (ACL) consists of an important...Blancos copper deposit and the Late Paleocene Lomas Bayas porphyry copper occurred. In the Late Eocene–Early...controlled the emplacement of Early Oligocene porphyry copper deposits (34–37 Ma; Toki, Genoveva, Quetena...Opache), whereas it deflected the Late Eocene porphyry copper belt (41–44 Ma; Esperanza, Telégrafo, Centinela
Journal (article/letter/editorial)
Rivera Giant versus small porphyry copper deposits of Cenozoic age in northern Chile: adakitic versus normal...magmatic activity in northern Chile led to the formation of two contrasting porphyry copper belts: (1) a Paleocene±Early...Eocene belt comprising small porphyry copper deposits (e.g., Lomas Bayas) of normal calc-alkaline anity;...Late Eocene±Early Oligocene belt hosting huge porphyry copper deposits (e.g., Chuquicamata) of adakitic...intrusions (mostly granodioritic types, including porphyry copper deposits). We suggest that the Late Eocene±Early
Report (issue)
906(2)° Z=2 X-ray Powder Pattern: Lomas Bayas mine, Antofagasta Province, Chile. 8.841 (100), 7.330 (37), 3...H2O [22.94] Total 99.99 (1) Lomas Bayas mine, Antofagasta Province, Chile; normalized electron microprobe...mendozavilite group. Occurrence: In the oxidized zone of porphyry copper deposit as thin vein fillings and well-formed...From the Lomas Bayas mine, 93 km east northeast of Antofagasta, Antofagasta Province, Chile. Name: Honors
Journal (article/letter/editorial)
Devoted to Porphyry Copper Deposits of Northern Chile Preface FRANCISCO CAMUS † Codelco-Chile, Huérfanos...Huérfanos 1270, Santiago, Chile AND JOHN H. DILLES †† Department of Geosciences, Oregon State University,... Corvallis, Oregon 97331 Introduction Chile is known worldwide as the site of one of the largest copper...(Mt) of fine copper has been identified in 50 porphyry copper deposits and numerous prospects (Fig. 1)...fine copper as a minimum tonnage to classify a porphyry copper deposit as a giant ore deposit, the Chilean
Journal (article/letter/editorial)
Clive M. Rice Controls on supergene enrichment of porphyry copper deposits in the Central Andes: A review...Central Andes host some of the world’s largest porphyry copper deposits. The economic viability of these...between 17 and 27S across the forearc of northern Chile and southern Peru from 44 to 6 Ma, and on the Bolivian...directly dated (southern Peru and south of 26S in Chile) and suggest formation post 14 Ma. Sedimentological...is unlikely to be widely applicable in northern Chile. General models that involve climatic desiccation
Journal (article/letter/editorial)
alunitecollected fromdeeplydeveloped supergene profilesin porphyry copperdeposits andprospects betweenlatitudes 20ø...supergene activityaffecteddeposits in the Paleocene porphyry copper belt,whereas earlyandmiddleMiocene supergene...thedocumented historyof supergene activity, or in porphyry copperprovinces, suchasthoseof centralChileandnorthwestern...dredmetersof the 12 majorporphyrycopperdeposits in Chile was substantiated furtherby Alpersand Brimhall ...for supergene alunitefromthe Eseondida porphyry copper province. Indeed,perhaps onlytwoof thesemajordepositsdeposit(Fig
Journal (article/letter/editorial)
of mineral deposits. Sixteen mining districts in Chile, and 24 in Argentina, were attributed to the seismically...zones roughly parallel to the axis of the Peru-Chile trench (Carachas-Portillo, Choquelimpie, Iquique...presently active Andean subduction (Aconcagua and Sierra del VolcaÂn F.Z.). The occurrences of large mineral...concerning the genesis and age of formation of porphyry and other copper deposits (Sillitoe 1972, 1977...Ulriksen (1990) for the northern and central part of Chile and from Mapa Minero (1966) for the northwestern
Journal (article/letter/editorial)
SW7 5BD, UK Pasaje San Agustin 4045, La Serena, Chile Department of the Geophysical Sciences, The University...Cudominant molybdophosphate from the Lomas Bayas mine, Antofagasta, Chile, the phase was determined to be...new Naand Cu-dominant molybdophosphate from Lomas Bayas mine, which was done at the ChemMatCARS, Sector...Na-dominant molybdoarsenate from Chuquicamata, Antofagasta, Chile showed it to possess the same structural...Cudominant molybdophosphate from the Lomas Bayas mine, Antofagasta, Chile, showed it to possess the same structural
Journal (article/letter/editorial)
include: 1) termite, 2) bat, 3) atmospheric and 4) coal mine fires and natural gas. It is clear that in three...type locality for gerhardtite is the United Verde Mine at Jerome, Arizona, USA (Wells and Penfield, 1885)...mindat.org for Chile at the Los Azules Mine (Terry Szenics) and the Quebrada Blanco Mine (Bob Jenkins)...(1874–1964) and was first described at the Likasi (Panda) Mine, Democratic Republic of Congo (Schoep, 1925; Anthony...of these exceedingly rare samples. At the Bisbee Mine, Arizona locality several specimens from the buttgenbachite
Report (issue)
PROSPECTS OF THE I, H, IE, IV, AND V REGIONS, NORTHERN CHILE compiled by William C. Williams Open-File Report...complement to my dissertation work in northern Chile under the auspices of Dr. John Guilbert at the University...prospects in the I, n, IE, IV, and V Regions of Chile (Figure 1). Over 3000 sites were compiled from published...Geologia y Yacimientos Metaliferos de la Region de Antofagasta: Servicio Nacional de Geologia y Mineria, Boletin...well as descriptions of the major mines throughout Chile with insights as to their genesis. Finally, Frutos
Journal (article/letter/editorial)
SUPERGENE WEATHERING IN THE EL PEÑÓN DISTRICT, NORTHERN CHILE IAN WARREN,† Yamana Gold, 9670 Gateway Drive, Suite...Peñón epithermal gold-silver deposit, Region II, Chile, comprises multiple epithermal veins, which contain...in the Paleocene metallogenic belt of northern Chile. Quartz-adularia-carbonate veins are hosted in Paleocene...Paleocene and early Eocene magmatic arc of northern Chile. Measured, indicated, and inferred resources for...intersected by drill holes and in the underground mine workings, is 59.2 ± 1.6 Ma based on whole-rock K/Ar
Journal (article/letter/editorial)
Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies Kayo...Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies. Minerals...Santiago de Chile, Avenida Libertador Bernardo O’Higgins 3363, Estación Central, Santiago 917022, Chile; gerardo...La Dehesa 1201, Lo Barnechea, Santiago 917021, Chile; griveros@transducto.com Correspondence: kayobarros...This study is focused on production sites from Chile since it is responsible for almost one-third of
Journal (article/letter/editorial)
Deposits,Chile JOHN DAVIDSON Minera ComincoResourcesChile, Ltda., Los Leones234, Santiago,Chile AND CONSTANTINO...Minerfa, Casilla 10465, Santiago,Chile Abstract Epithermal gold depositsin Chile are Cretaceousto Cenozoicin...hydrothermalalterationzones were formed in central Chile. Paleocene-Eocene volcanicrocksconstitutea large...Faride, San Crist6bal,Guanaco,andCachinalde la Sierra).In the late Eocene-earlyOligocene,volcanism d...and 33 ø S. Late Mioceneto Holocenemagmatismin Chile is presentin two segmentsbeneathwhich the dip of
Journal (article/letter/editorial)
CAPRICORNIO Au-Ag EPITHERMAL VEIN SYSTEM, ANTOFAGASTA REGION, CHILE GIUSEPPE ARFȧ AND MARIA BONI* Dipartimento...Paleocene–Eocene metallogenic belt, 60 km ENE of Antofagasta in the physiographic Central Depression, between...commonly occur in the supergene weathering zones of porphyry Cu deposits in the Atacama region. Keywords:...epithermal, Au-Ag, supergene Au-Ag, aridity, gold, Antofagasta Region, Central Depression. § Corresponding...INTRODUCTION The Antofagasta region in northern Chile hosts many of the world’s significant porphyry Cu ore bodies
Journal (article/letter/editorial)
in the oxide zone of copper deposits in northern Chile: involvement of deep formation waters? Eion M. Cameron...deposits in northern Chile, whereas in similar deposits elsewhere, it is rare. In Chile, it has generally...Supergene enrichment of copper deposits in northern Chile extended over a long period, 44 to 9 Ma, being terminated...earlier guided the location of porphyry deposits. At the Spence porphyry copper deposit, saline waters...the oxide zone. Evidence is presented for other porphyry deposits, Radomiro Tomic and Gaby Sur, that basinal
Journal (article/letter/editorial)
‘‘Giant versus small porphyry copper deposits of Cenozoic age in northern Chile: adakitic versus normal...Normal calc-alkaline magmatism Æ Porphyry copper deposits Æ Northern Chile Introduction We welcome the discussions...Rabbia et al. (2002, this volume) on our paper on porphyry copper deposits and adakitic magmatism (Oyarzun...from a group of non-specialists in the field of porphyry copper geology, which should provide a fresh perspective...separate facts from ideas. We will show the facts on porphyry copper mineralization–plate tectonics setting
Journal (article/letter/editorial)
Range in the Andes of Northern Chile By GUILLERMOCHONGDiAZ, Antofagasta *) With 5 Figures Zusammenfassung...scheme of the pre-Andean Domeyko Range of Northern Chile. This pre-Andean area consists of a basement formed...esquema geol6gieo de la zona preandina del norte de Chile conocida como Cordillera de Domeyko. E1 /trea est/t...Geologfa, Universidad del Norte, Casilla 1280, Antofagasta, Chile. 374 C. CHONGD. -- Contribution to the...Department of Geology, Universidad del Norte, Antofagasta. 375 Aufs~itze The Domeyko Range The Andean
Journal (article/letter/editorial)
1062-1085 Geology oftheE1AbraPorphyry CopperDeposit, Chile JOZSEF A•IBRUS Abstract The E1 Abra porphyryCOl)per...1972to 1975,the Corporaci6nNacionaldel Cobrede Chile completedan evaluation programknownas the E1 Abra...Abra has been interpreted as a deep exposureof a porphyry copper due to erosion of upper zones. A multiple...conditionsduring time. The deep exposure of the orebody in a porphyry coppercolumnin this depositapproachesa magmaticenvironmentwith...located in E1 Loa Province, Chile, 42 kilometers north of the Chuquicamataopen-pit mine (Fig. 1). It is
Journal (article/letter/editorial)
1157–1162 SCIENTIFIC COMMUNICATIONS LONGEVITY OF PORPHYRY COPPER FORMATION AT QUELLAVECO, PERU RICHARD H...the late Paleocene to early Eocene Quellaveco porphyry copper-molybdenum deposit in southern Peru spans...spans several phases of quartz monzonite porphyry emplacement and is bracketed by a precursor granodiorite...granodiorite pluton and a late-mineral porphyry body that postdates essentially all copper introduction. Together...pluton and initiation of stock emplacement; the porphyry system was active intermittently for at least
Report (issue)
phases of mineral supply, from land-use management to mine development. This study evaluates two simple tools...tools for estimating the economic viability of porphyry copper deposits mined by open-pit, heap-leach methods...is a feasibility study which compares alternative mine designs to identify the least-costly method of mining...solvent extraction of copper. Commercially available mine-costing software could not be evaluated for the...copper recovery, leaching of copper from run-of-mine or crushed ore placed on dumps, followed by extraction
Journal (article/letter/editorial)
ServicioNacionalde Geologfay Minerfa,Casilla10465,Santiago,Chile Abstract Eightygalenasamples fromdifferentmineraldeposits...different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The selected depositsrepresent...Jurassicto Pliocene 1973; Grant et al., 1979). Pb IN CHILE,AN GALENAS In more detailed studiesof metallogeniczonesin...lower Tertiary age.Cu isfoundin breccia pipes, as porphyry copper, stockworks,and vein 845 SignificantCu...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central
Journal (article/letter/editorial)
Universidad de Chile. Av. Tupper 2007, Santiago, Chile. (2) Departamento de Geología, Universidad de Chile, Plaza...Plaza Ercilla 803, Santiago, Chile. (3) College of Earth, Ocean and Atmospheric Sciences, Oregon State University...Precordillera, with ca. 30 km wide, and includes porphyry-Cu prospects and small Cu (±Mo-Au-Ag) vein and...to 54.5 Ma for hydrothermal alteration in one porphyry-Cu prospect and largest known Cu deposits. The...The middle Eocene to early Oligocene porphyry belt, in the Western Cordillera farther east, is associated
Report (issue)
Antofagasta Annual Report and Financial Statements 2008 Antofagasta is a Chilean-based copper mining...constituent of the FTSE-100 index since 2004. Antofagasta aims to be a significant and profitable enterprise...Antofagasta’s activities are mainly concentrated in Chile where it owns and operates three copper mines with...and water distribution in the Antofagasta Region in the north of Chile. It is carrying out a brownfield...production to nearly 700,000 tonnes per year by 2011. Antofagasta also has exploration or feasibility programmes
Journal (issue)
20-year lows in 1993. • In l 990, domestic new mine production of si lver at 68.3-million oz was the...According to the 1993 World Silver Survey, silver mine production was expected to decline by 23-million...ten years ago. World Silver Supply 1984 1993• Mine Production 324.5 330 Secondary Suply 151.6 ...production - at best there might be a few marginal mine closures. In regard to potential sales of gold or...limited." Glamis Gold was among the companies with a mine in the proposed wilderness, but lobbyists persuaded
Journal (article/letter/editorial)
onset of modern hyperaridity in the Atacama Desert, Chile Martin Reich & Carlos Palacios & Gabriel Vargas...critical role in making this the prime Cu-producing province of the world. Previously, this has been believed...Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile e-mail: mreich@ing.uchile.cl S. Luo : C...Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile with atacamite in supergene veins from...Copper porphyry deposits . Supergene enrichment . U-series disequilibrium ages . Atacamite . Chile Introduction
 
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