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Surowce mineralne

Four areas of Zn-Pb ore deposits are recognized in the Silesian-Cracow region Chrzanw Olkusz Bytom and Zawiercie regions Klucze I Olkusz and Pomorzany deposit in the Olkusz region are currently under exploitation Zn-Pb deposits of the Bytom and Chrzanw regions are of the historical and scientific importance only The deposits have Get price

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Hydrothermal Alteration of Limestone and Mineral

This structure indicates that the skarn deposits of the Sako‐nishi area belong to Mozumi‐type Zn–Pb skarn deposits in which fissures and faults served as major passages for the hydrothermal fluid High‐Mn carbonate and high‐Fe chlorite widely occur in base‐metal vein deposits and Zn‐Pb type skarn deposits Leaching of altered Get price

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Mineral deposits of Serbia

Mineral deposits of Serbia - Ore deposits database YUG-00072 Comments The massive ore contains 4% Bi 4% Cu 120 g/t Ag and 24 g/t Au as well as 3 7% Pb 2 8% Zn and 1 2% Sb (Jankovic - 1982) Work on alluvials in the Knjazhevac region suggests a grade of at least 0 025 g/m3 Au Economic references Geological references Environment Other Get price

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Geologic fluid inclusion and isotopic characteristics of

Geologic fluid inclusion and isotopic characteristics of the Jinding Zn–Pb deposit western Yunnan South China A review Chunji Xue a ⁎ Rong Zeng b Shuwen Liu b Guoxiang Chi c Hairuo Qing c Yuchuan Chen d Jianmin Yang d Denghong Wang d a State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences Beijing 100083 ChinaGet price

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The Lisheen Zn

The geometry of the Lisheen deposit is well suited to exploitation by room and pillar mining methods Because of the high grade of the majority of the Lisheen deposit backfilling of the mined-out rooms is planned to recover pillars Mine production will be 1 5Mt per annum and the processing plant will produce separate zinc and lead concentrates with estimated recoveries of 92% Zn and 78% Pb Get price

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Sediment

Sediment-hosted Pb-Zn deposits contain the world's greatest lead and zinc resources and dominate world production of these metals They are a chverse group of ore deposits hosted by a wide variety of carbonate and siliciclastic roch that have no obviolls genetic association with igneous activity A nmge of ore-fortl1ing processes in a vmiety of geologic and tectonic environments created these Get price

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The Lovisa Stratiform Zn

an economically important type of ore deposit in the Bergslagen lithotectonic unit of the Fennoscandian Shield The Lovisa Zn-Pb deposit occurs in a metamorphosed succession of rhyolitic ash-siltstone rhyolitic mass flow deposits limestone and Fe formation deposited Get price

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A Special Issue devoted to Nonsulfide Zn–Pb Deposits

01/04/2008Read A Special Issue devoted to Nonsulfide Zn–Pb Deposits Ore Geology Reviews on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips Get price

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Exploration History and Mineral Potential of the Central

The Polaris deposit was a carbonate-hosted Missis-sippi Valley–type Zn-Pb deposit of about 20 million tonnes grading about 17% Zn + Pb The mined ore body was 300 m wide by 800 m long by 20 to 150 m thick and consisted of sphalerite and galena along with the gangue minerals pyrite dolomite and calcite (Savard et al 2000) Get price

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GEOCHEMISTRY AND MINERALOGY OF THE QUIULACOCHA

GEOCHEMISTRY AND MINERALOGY OF THE QUIULACOCHA TAILINGS IMPOUNDMENT FROM THE POLYMETALLIC Zn-Pb-(Ag-Bi-Cu) DEPOSIT CERRO DE PASCO PERU Cheikh Wade2 Bernhard Dold3* and Lluis Fontbot2 Abstract The Quiulacocha tailings cover 114 ha comprising 79 Mt of tailings which contain ~ 50 wt% pyrite Get price

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Metallogenic Mineral Provinces and World Class Ore

New Zn-Pb discoveries were made at Galmoy in 1986 and at Lisheen in 1990 The newly opened Lisheen mine with 21 Mt reserves is expected to produce 190 000 tonnes a year of Zn and 33 000 tonnes a year of Pb Reserves at other deposits include 15 Mt at Silvermines 10 Mt at Tynagh and 7 Mt at Galmoy The Irish metallogenic province has a total Get price

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Geochronological Study of the Jiashengpan Zn–Pb Deposit in

This area is a significant Cu–Zn–Pb polymetallic ore belt hosting several Zn–Pb–(Cu) deposits including the giant Dongshengmiao deposit and the Huogeqi Tanyaokou and the Jiashengpan deposits The Jiashengpan Zn–Pb polymetallic deposit developed in rift sedimentary rocks in the Mesoproterozoic Era and has traditionally been Get price

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Zn/Cd ratios and cadmium isotope evidence for the

28/04/2016Lead-zinc deposits are often difficult to classify because clear criteria are lacking In recent years new tools such as Cd and Zn isotopes have been used to better understand the ore-formation processes and to classify Pb-Zn deposits Herein we investigate Cd concentrations Cd isotopeGet price

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Metallogeny of Cretaceous carbonate

More than 285 carbonate-hosted Zn–Pb deposits occur in Iran including world-class deposits such as Mehdiabad and Irankuh Cretaceous carbonates are the most common host rock for these deposits which are largely concentrated in the Malayer-Esfahan metallogenic belt (MEMB) and the Yazd-Anarak metallogenic belt (YAMB) and to a lesser extent in the Central Iranian geological and structural Get price

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Re–Os and U–Pb geochronology of the Laochang

Our results favor that the Laochang Pb–Zn–Ag deposit is the shallow product of a porphyry Mo system Thus there is potential for discovery of porphyry Mo or Cu–Mo deposits below Laochang and similar Pb–Zn–Ag deposits in the Changning–Menglian suture zone Get price

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Exploration History and Mineral Potential of the Central

The Polaris deposit was a carbonate-hosted Missis-sippi Valley–type Zn-Pb deposit of about 20 million tonnes grading about 17% Zn + Pb The mined ore body was 300 m wide by 800 m long by 20 to 150 m thick and consisted of sphalerite and galena along with the gangue minerals pyrite dolomite and calcite (Savard et al 2000) Get price

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Kangjiawan Pb

Kangjiawan Pb-Zn-Ag-Au deposit Shuikoushan ore field Changning Co Hengyang Hunan China The Kangjiawan deposit is a representative hydrothermal Pb-Zn-Ag-Au deposit in this region The orebodies consist mainly of pyritic Pb-Zn ores Silver minerals are associated with Pb-Zn Get price

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The Patricia Zn

The Patricia Zn-Pb-Ag epithermal ore deposit an uncommon type of mineralization in northeastern Chile Daro Chinchilla a b* Lorena Ortega a Rubn Pia a Ral Merinero a Daniel Moncada c Robert J Bodnar d Cecilio Quesada a Antonio Valverde e Rosario Lunar a b a Departamento de Cristalografa y Mineraloga Facultad de Ciencias Get price

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Origin and formational history of some Pb

Several Pb-Zn deposits and occurrences within Iran are hosted by Mesozoic–Tertiary-aged sedimentary and igneous rocks This study reports new Pb isotope analyses for galena from 14 Pb-Zn deposits in the Alborz and Central Iran structural zones In general Pb isotope ratios are extremely variable with data plotting between the upper crustal Get price

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The Lovisa Stratiform Zn

an economically important type of ore deposit in the Bergslagen lithotectonic unit of the Fennoscandian Shield The Lovisa Zn-Pb deposit occurs in a metamorphosed succession of rhyolitic ash-siltstone rhyolitic mass flow deposits limestone and Fe formation deposited Get price

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Carbonate

Carbonate-hosted lead-zinc ore deposits are important and highly valuable concentrations of lead and zinc sulfide ores hosted within carbonate (limestone marl dolomite) formations and which share a common genetic origin These ore bodies range from 0 5 million tonnes of contained ore to 20 million tonnes or more and have a grade of between 4% combined lead and zinc to over 14% combined Get price

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Hydrothermal Alteration of Limestone and Mineral

This structure indicates that the skarn deposits of the Sako‐nishi area belong to Mozumi‐type Zn–Pb skarn deposits in which fissures and faults served as major passages for the hydrothermal fluid High‐Mn carbonate and high‐Fe chlorite widely occur in base‐metal vein deposits and Zn‐Pb type skarn deposits Leaching of altered Get price

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Geology and Origin of Supergene Ore at the Lavrion Pb

and exploitation of the ores at Lavrion were made of iron processed locally ( Conofagos Papadimitriou 1981 ) It is also possible that large amounts of iron were Original Article Geology and Origin of Supergene Ore at the Lavrion Pb-Ag-Zn Deposit Attica Greece Nikos S karpelis a nd Ariadne A rgyrakiGet price

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GEOCHEMISTRY AND MINERALOGY OF THE QUIULACOCHA

GEOCHEMISTRY AND MINERALOGY OF THE QUIULACOCHA TAILINGS IMPOUNDMENT FROM THE POLYMETALLIC Zn-Pb-(Ag-Bi-Cu) DEPOSIT CERRO DE PASCO PERU Cheikh Wade2 Bernhard Dold3* and Lluis Fontbot2 Abstract The Quiulacocha tailings cover 114 ha comprising 79 Mt of tailings which contain ~ 50 wt% pyrite Get price

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Metallogenic Mineral Provinces and World Class Ore

New Zn-Pb discoveries were made at Galmoy in 1986 and at Lisheen in 1990 The newly opened Lisheen mine with 21 Mt reserves is expected to produce 190 000 tonnes a year of Zn and 33 000 tonnes a year of Pb Reserves at other deposits include 15 Mt at Silvermines 10 Mt at Tynagh and 7 Mt at Galmoy The Irish metallogenic province has a total Get price

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THE USE OF PRODUCTION DATA AS AN EXPLORATION

British Columbia Geological Survey COLU SH M TI BI I BR A EY Geological Fieldwork 1990 GE O LO V GICAL SUR THE USE OF PRODUCTION DATA AS AN EXPLORATION GUIDE LINE FOR Ag-Pb-Zn-Au VEIN AND REPLACEMENT DEPOSITS NORTHERN KOKANEE RANGE SOUTHEASTERN BRITISH COLIJMBIA WC K) By Georges Beaudoin University of Ottawa D F Sangster Geological Survey of Canada Get price

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ratios of Cu/Zn

The Cu- and Zn-Pb-rich belts are recognized in the region and this pattern could be interpreted as the result of a tilted erosion level through an acidic igneous activity of late Cretaceous to early Paleogene The concept of Cu- and Zn-Pb-rich belts seems to be applicable also to vein-type deposits in the Inner Zone of southwestern Japan This Get price

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Kangjiawan Pb

Kangjiawan Pb-Zn-Ag-Au deposit Shuikoushan ore field Changning Co Hengyang Hunan China The Kangjiawan deposit is a representative hydrothermal Pb-Zn-Ag-Au deposit in this region The orebodies consist mainly of pyritic Pb-Zn ores Silver minerals are associated with Pb-Zn Get price

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Lateral variability of sedimentology mineralogy and

formation of Australian Proterozoic stratifonn sediment-hosted Pb-Zn (sedex) deposits Economic Geology 95(1) 1-17 Craig H 1969 Geochemistry and origin of the Red Sea brines In Degens ET (ed ) HOT BRINES AND RECENT HEAVY METAL DEPOSITS IN Get price

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Re–Os and U–Pb geochronology of the Laochang

Our results favor that the Laochang Pb–Zn–Ag deposit is the shallow product of a porphyry Mo system Thus there is potential for discovery of porphyry Mo or Cu–Mo deposits below Laochang and similar Pb–Zn–Ag deposits in the Changning–Menglian suture zone Get price

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