lead zinc neoproterozoic

The Global Factors of Lead–Zinc Ore Formation

During the Pangea cycle, the Neoproterozoic–Paleozoic (560–290 Ma) lead–zinc ore formation epoch also began with the formation of numerous VMS type deposits. An abrupt increase in lead–zinc ore formation productivity in the Paleozoic after 560 Ma was also due precisely to the burst of volcanic massive sulfide ore formation …

Genesis of fahlore in the Tianbaoshan lead–zinc deposit, …

The Tianbaoshan deposit, located in the southwestern part of the Yangtze Block, is a representative Pb–Zn deposit in the Sichuan–Yunnan–Guizhou Pb–Zn metallogenic province. The Pb–Zn orebodies are hosted in the upper Sinian Dengying Formation dolostone. The predominant minerals are sphalerite, galena, pyrite, …

A Metallogenic Evolution Model for the Lead-Zinc Deposits …

A Metallogenic Evolution Model for the Lead-Zinc Deposits of the Meso and Neoproterozoic Sedimentary Basins of the São Francisco Craton, Bahia and Minas Gerais, Brazil

(PDF) Fluid inclusion investigation of the Neoproterozoic lead-zinc

Fluid inclusion investigation of the Neoproterozoic lead-zinc sulfide deposit of Nova Redenção, Bahia, Brazil

Neoproterozoic Zn-Pb mineralization in the world-class

Zhou, Jiaxi. ; Wu, Yue. The Sichuan-Yunnan-Guizhou (SYG) zinc-lead triangle, located in southwestern China, is an important producer of zinc, lead, silver, and critical raw …

Isotopic Compositions of Sulfur in the Jinshachang …

Abstract: The Jinshachang lead–zinc deposit is mainly hosted in the Upper Neoproterozoic carbonate rocks of the Dengying Group and located in the …

Petrogenesis and geodynamic setting of Neoproterozoic …

The Erguna metallogenic belt, situated between the Mongolian–Okhotsk and Derbugan fracture belts, is known principally for its large number of non-ferrous and precious metal deposits such as copper, molybdenum, lead, zinc, silver and gold, as well as its two world-class uranium deposits: the Streltsovka deposit in the Hongshi region of …

Mississippi Valley-type and sedex lead-zinc deposits : a …

Mississippi Valley Type ore deposits, the Laisvall Pb-Zn deposit and origin of Pb-Zn-bearing sandstone glacial erratic from the Raahe area. The Geological Survey of Finland collected zinc-, leadand copper-bearing glacial sandstone boulders in 1970's and 1980's south of Raahe, Finland. The origin of these sandstones remains inconclusive.….

Genesis of the carbonate-hosted zinc–lead deposits in the …

The southwestern Yangtze Craton zinc–lead province in Southwest China (Fig. 1 a) contains more than four hundred carbonate-hosted zinc–lead deposits with various sizes, and contributes over 26 million metric tons of zinc and lead resources for China (Liu and Lin, 1999).The zinc–lead deposits are mostly hosted in the Late …

(PDF) A METALLOGENIC EVOLUTION MODEL FOR …

A METALLOGENIC EVOLUTION MODEL FOR THE LEAD-ZINC DEPOSITS OF THE MESO AND NEOPROTEROZOIC SEDIMENTARY BASINS OF THE SÃO FRANCISCO CRATON, BAHIA AND MINAS …

(PDF) A METALLOGENIC EVOLUTION MODEL FOR THE LEAD-ZINC …

a metallogenic evolution model for the lead-zinc deposits of the meso and neoproterozoic sedimentary basins of the sÃo francisco craton, bahia and minas gerais, brazil ' 5 teophilous toulkeridis ...

A combined fluid inclusion and S–Pb isotope study of the Neoproterozoic …

A combined fluid inclusion and S–Pb isotope study of the Neoproterozoic Pingshui volcanogenic massive sulfide Cu ... The average copper and zinc ore grades are approximately 0.98% and 1.34%, respectively, and the highest grades are 1.95% Cu and 3% Zn. ... Lead isotopic compositions of pyrite in massive sulfide ores and of …

Overview of geology and mineralisation in South Australia

The ages of selected types of mineralisation are shown in Figure 1. The mineral potential of SA was highlighted very early in the colony's history, with the development of Australia's first metal mine (silver-lead), at Glen. Fig.1. Map showing the extent and age of major geological provinces of SouthAustralia.

Geological and tectonic evolution characteristics of polymetallic

The corresponding metallogenic processes are mainly four stages: copper, lead, zinc, silver, iron, graphite, and pyrite deposits formed by Paleoproterozoic continental margin sedimentary metamorphism; copper, lead, and zinc polymetallic deposits related to Neoproterozoic marine volcanism; sedimentary coal mines in Late Paleozoic-Early …

Isotopic Compositions of Sulfur in the Jinshachang Lead–Zinc …

The Jinshachang lead–zinc deposit is mainly hosted in the Upper Neoproterozoic carbonate rocks of the Dengying Group and located in the Sichuan–Yunnan–Guizhou (SYG) Pb–Zn–Ag multi ...

(PDF) A metallogenic evolution model for the lead-zinc …

A metallogenic evolution model for the lead-zinc deposits of the meso and Neoproterozoic sedimentary basins of the São Francisco Craton, Bahia and Minas Gerais, Brazil

Sediment hosted lead–zinc deposits of the Neoproterozoic …

Introduction. World class Proterozoic sediment-hosted lead–zinc and/or copper deposits of Africa (Gamsberg, Congo-Zambia), Australia (Broken Hill, McArthur, Mount Isa-Century), and North America (Sullivan) attest to the metallogenetic importance of the Proterozoic era, during which massive amounts of base metals were deposited in …

The Global Factors of Lead–Zinc Ore Formation

During the Pangea cycle, the Neoproterozoic–Paleozoic (560–290 Ma) lead–zinc ore formation epoch also began with the formation of numerous VMS type …

Neoproterozoic Zn-Pb mineralization in the world-class …

Neoproterozoic Zn-Pb mineralization in the world-class Sichuan-Yunnan-Guizhou Zn-Pb triangle, southwest China: Insights from apatite geochemistry and in situ sericite Rb-Sr geochronology of the Daxiao deposit - ScienceDirect. Download full issue. …

Hydrothermal silicification and hypogene

In this work, we investigated an exhumed and silicified Neoproterozoic carbonate sequence in Brazil hosting a 1.4 km-long cave. Quartz mineralization and silicified textures were analyzed with a multidisciplinary approach combining petrography, fluid inclusion microthermometry, silicon-oxygen stable isotope analyses and U-Th-Pb …

Sediment-Hosted Lead-Zinc Deposits in Earth History

Abstract. Sediment-hosted Pb-Zn deposits can be divided into two major subtypes. The first subtype is clastic-dominated lead-zinc (CD Pb-Zn) ores, which are hosted in shale, sandstone, siltstone, or mixed clastic rocks, or occur as carbonate replacement, within a CD sedimentary rock sequence. This subtype includes deposits …

[PDF] Sediment hosted lead–zinc deposits of the …

[PDF] Sediment hosted lead–zinc deposits of the Neoproterozoic Bambuí Group and correlative sequences, São Francisco Craton, Brazil: A review and a possible …

(PDF) Sediment hosted lead–zinc deposits of the Neoproterozoic …

Sediment hosted lead–zinc deposits of the Neoproterozoic Bambuí Group and correlative sequences, São Francisco Craton, Brazil: A review and a possible metallogenic evolution model

(PDF) FLUID INCLUSION INVESTIGATION OF THE …

fluid inclusion investigation of the neoproterozoic lead-zinc sulfide deposit of nova redenÇÃo, bahia, brazil March 2000 DOI: 10.25249/0375-7536.2000302315317

Volume 58, Issue 4 | Mineralium Deposita

Zinc on the edge—isotopic and geophysical evidence that cratonic edges control world-class shale-hosted zinc-lead deposits. David L. Huston; David C. Champion; ... Neoproterozoic tungsten mineralization: Geology, chronology, and genesis of the Huashandong W deposit in northwestern Jiangxi, South China ...

Active ages of metallogenic structures in the Liangyan lead–zinc …

More than ten lead–zinc deposits formed under the control of the Yadu-Mangdong fault (YMF) are known to have undergone multi-stage activity. However, ore control processes in such fault zones are poorly understood, such as in the Liangyan deposit in northwestern Guizhou. ... and Neoproterozoic shallow metamorphic clastic …

A review of the Pan-African, Neoproterozoic Rosh Pinah Zn …

This paper provides a synopsis of our latest understanding of the regional geological setting, mineralisation and ore genesis of the Neoproterozoic Rosh Pinah Zn-Pb deposit in southwestern Namibia. During continental rifting at ~740 Ma, an intracratonic rift (Rosh Pinah Graben) became detached from the main Gariep depository by a basement …

Rb-Sr isotopic age of sphalerite from the Paoma lead-zinc …

Located in Nanning County of Sichuan Province, the Paoma lead-zinc deposit is a stratabound deposit in a cataclastic zone of Lower Cambrian Maidiping dolomite. Being a reworked sedimentary stratoid (irregular) lead-zinc deposit, it includes two ore horizons. Pb and Zn in the ore deposit are economic elements possessing an …

[PDF] Sediment hosted lead–zinc deposits of the Neoproterozoic …

@article{Misi2005SedimentHL, title={Sediment hosted lead–zinc deposits of the Neoproterozoic Bambu{'i} Group and correlative sequences, S{~a}o Francisco Craton, Brazil: A review and a possible metallogenic evolution model}, author={Aroldo Misi and Sundaram S. Iyer and Carlos Eduardo Silva Coelho and Colombo Celso Gaeta …

Sediment hosted lead–zinc deposits of the Neoproterozoic …

The Morro Agudo zinc-lead sulphide deposit comprises several stratabound lenses hosted by dolostone interbedded with shaley dolostone, that is interpreted as a cycle boundary where carbonates are ...

(PDF) An Eburnean base metal source for sediment-hosted zinc-lead

Keywords Lead isotopes Æ Lead-zinc deposits Æ Rosh Pinah Æ Gariep Belt Æ Neoproterozoic Introduction Neoproterozoic sedimentary successions of the PanAfrican Damara and Gariep orogenic belts are important hosts of economic base metal concentrations in southern Africa, with two ore provinces in the Otavi Moutain Land in …

[PDF] A Metallogenic Evolution Model For The Lead-Zinc …

[PDF] A Metallogenic Evolution Model For The Lead-Zinc deposits of the meso and neoproterozoic sedimentary basins of the São Francisco Craton, Bahia and Minas …

An Eburnean base metal source for sediment-hosted zinc-lead …

The lead isotopic composition of galena from the Neoproterozoic sediment-hosted Zn-Pb sulphide deposit at Rosh Pinah and the oxidised Zn deposit at Skorpion in the Pan-African Gariep Belt, southwestern Namibia, as well as that of galena from minor occurrences in the wider Rosh Pinah ore province was investigated and is compared …

Age and Tectonic Setting of Layered Lead–Zinc Ore Bodies …

The newly discovered Xiaohongshilazi deposit located in Panshi City, central Jilin Province, NE China, is a medium-scale Pb–Zn–(Ag) deposit. The Pb–Zn–(Ag) orebodies are divided into layered and vein-type orebodies, which have different ore geneses. The layered Pb–Zn orebodies are mainly hosted within and spatially controlled …

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