·Short wave infrared SWIR field and laboratory spectra were used to identify and characterize hydrothermal alteration mineral chemical variability in host rocks proximal to the Izok Lake Zn Cu Pb Ag volcanogenic massive sulfide VMS deposit in Nunavut Canada
·The Caoziwa Pb Zn deposit is one of the typical vein type Pb Zn deposits in the western part of the Tengchong block Due to limited research the genesis of these deposits is unknown
Zn Pb deposits has the potential for a new discovery The Zn Pb Cu deposits in the Jinbao mine district are typical PVT deposits in the eastern Guizhou region Zhou et al 2017 Samples of quartz associated with ore minerals have been collected from four deposits in this area In this study we first present new chemical and
·The Beishan Pb Zn deposit is located 47 km northwest of Huanjiang County north of Hechi City Guangxi Fig 1 a b and includes several mineralized occurrences developed in mining areas such as Shangchao Huada and Beishan Pb Zn deposit has a history of discovering native siderite when searching for Fe
·Mining and ore processing are essential activities to obtain raw materials used in the most diverse industries Teixeira et al 2018 Raw materials and associated products often come at a high environmental cost because the smelting of metals such as lead Pb used in batteries alloys and others produces a number of solid and gaseous
·About 150 soil samples from 20 urban and 3 non urban soil profiles in Nanjing were analyzed for total concentrations of Cu Zn Pb and Cr using ICP spectrometry The Cu Zn Pb and Cr of 23 urban and non urban topsoils A horizon soils were sequentially extracted into 5 fractions according to the method of Tessier [Anal Chem 51
·A purified magnetite concentrate containing % Fe % P % S and trace amounts of nonferrous metals % Cu % Pb and % Zn was obtained The concentrate can be potentially used as a high quality feed material for producing oxidized pellets by blending with other high grade iron ore
·The Wusihe carbonate hosted Zn Pb deposit Mt Zn Pb at a grade of % Zn and % Pb is the largest deposit in the Dadu River Valley district of the Sichuan Yunnan Guizhou metallogenic province of southwest China Three types of orebodies occur 1 stratiform banded and lamellar within dolomite of the Neoproterozoic Dengying
·The Huogeqi deposit is an example of a Cu Pb Zn Fe polymetallic deposit hosted in a greenschist amphibolite facies terrane It is regarded as a base metal deposit typical of the Langshan district which is one of the most important Cu Pb Zn polymetallic ore belts in the northern margin of the North China Craton NCC
This study investigates the effectiveness of using nanoscale zero valent iron nZVI to immobilise Pb/Zn in two different soils acidic and calcareous and the effects of nZVI treatment on soil physico chemical and biological properties Soil samples spiked with Pb II or Zn II were treated with commercial nZVI suspension at a dose of 20% 28
·Revealing the orogenic genesis of Huogeqi Cu Pb Zn deposit Evidence from the machine learning based data interpretation of pyrite geochemistry February 2023 Ore Geology Reviews 154 3 105350
·The Dachang is a world class super giant Sn polymetallic ore field mainly composed of Zn Cu ore bodies proximal to the granitic pluton and Sn polymetallic ore bodies distal to the granitic pluton In this study we used petrographic studies and major and trace element geochemistry with calc silicates from the Zn Cu ore bodies to constrain the
·The Fengxian Taibai abbr Fengtai ore cluster in the west Qinling orogen Shaanxi central China comprises an important part of the giant Qinling Zn Pb Au metallogenic belt Fig 1 a and b The total Pb Zn reserve is >5 Mt with a Au reserve of >200 t in the ore cluster Wang et al 2007 Li 2008 In the Fengtai ore cluster there are three
·The newly discovered Panjiaduan Cu Pb Zn deposit Mt; at % Cu % Pb % Zn and g/t Ag located in the SE segment of the SGXR is primarily hosted in fracture zones in
·Lead Pb pollution emission from China is becoming a potential worldwide threat Pb isotopic composition analysis is a useful tool to accurately trace the Pb sources of aerosols in atmosphere In this study a comprehensive data set of Pb isotopes for coals Pb/Zn ores and fuels from China was presented The ratios of 206Pb/207Pb
·Sediment hosted base metal deposits are a diverse group of ores hosted by a wide variety of siliciclastic and carbonate rocks that with few exceptions have no direct genetic association with igneous activity Leach et al 2010 Common metal commodities in the ore are Zn Pb Fe and Ag whereas Cu is generally low but economically important
·Numerical metallogenic modelling and support vector machine methods applied to predict deep mineralization A case study from the Fankou Pb Zn ore deposit in northern Guangdong
·The Jinchanghe Pb Zn polymetallic deposit is a representative distal skarn deposit in the Baoshan block Due to limited research on the sources of ore forming metals and trace elemental geochemistry of sulfides the sources and mineralization environments of the Jinchanghe skarn Pb Zn polymetallic deposit are still controversial In this study
·In this study we prepared a novel iron based composite NIC via a one step reduction method utilizing refinery sludge RS as the reducing agent and iron ore IO as the iron source allowing for the concurrent stabilization of multiple heavy metals HMs in soil The loose porous structure of NIC provided ample active sites including Fe 0 CaAl
·The Huogeqi Cu Pb Zn Fe deposit is located in the Langshan district in the western segment of the northern margin of the North China deposit is hosted by upper greenschist lower amphibolite facies 550 650 °C rocks of the Langshan Group Most orebodies are hosted in a shear zone that developed in parallel with the sedimentary
This study investigates the effectiveness of using nanoscale zero valent iron nZVI to immobilise Pb/Zn in two different soils acidic and calcareous and the effects of nZVI treatment on soil physico chemical and biological properties Soil samples spiked with Pb II or Zn II were treated with commercial nZVI suspension at a dose of 20% 28
·The Tiemurt Pb Zn Cu deposit is situated in the southern margin of the Chinese Altay Orogen Fig 2 It was first discovered in 1987 with contained metals of Mt Pb Zn and Mt Cu Wan et al 2010a
·The Sanjiang Tethyan metallogenic province STMP in the eastern Tibetan Plateau is an important part of the giant eastern Tethyan metallogenic belt Fig 1 a; Hou et al 2007 Numerous porphyry Cu Cu Mo and Cu Au deposits define two sub parallel porphyry belts in the STMP Fig 1 a; Hou et al 2006; Deng et al 2014; Mao et al
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