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·Leaching Behavior of Cu Zn and Pb Using Design of Experiment Table 3 summarizes the experimental setup performed and the results obtained for the desired metals Cu Zn and Pb in a 4 h experiment according to the 3 3 Box Behnken design As shown approximately 30% of Cu and Zn were leached within 4 h in experiment numbers 7 8 and 12
·The newly discovered Kaladawan South Zn Pb Cu ore field located in the eastern part of the Altyn Mountains contains the Kaladaban Kaladawan West Genxinggou and Cuiling Zn Pb Cu deposits as well as a number of Zn Pb Cu prospects The Kaladaban Zn Pb Cu deposit kt Zn kt Pb kt Cu is the largest in the
·From the Pb Pb isotope plots Fig 10 the Pb isotope ratios from the different samples of the Laochang Pb Zn ore are relatively consistent and cluster in a narrow field which is likely suggestive of a single Pb or a well mixed Pb source probably the same for the other metals Bineli Betsiet al 2018; Xu et al 2021b
·The most important sediment hosted Pb Zn deposits are those in clastic rock dominated sedimentary sequences traditionally called sedimentary exhalative SEDEX those in carbonated dominated sequences that are mainly of the Mississippi Valley type MVT Leach et al 2010 and those in sandstone sequence SST The SEDEX type deposits were mainly
·Drill core sulfide ore samples weighing about 60 kg were received from Garpenberg Boliden Mineral AB Sweden Garpenberg is an underground mine where the complex Zn Pb Ag Cu Au ore Table 2 is mined from 500 to 1400 m below the ground The core samples were initially crushed to
·A new approach based on the use of inductively coupled plasma optical emission spectrometry ICP OES is presented for the quantitative determination of Fe Co Mn Cu Pb and Zn in ore samples
·The Nannihu ore field is largely represented by the Nannihu Mo W deposit Luotuoshan Zn Cu W deposit and Lengshuibeigou Pb Zn Ag deposit Mo W mineralization at Nannihu occurs in the contact zone between the Nannihu intrusion and the wall rocks showing typical characteristics of the porphyry type deposit
·The Khusib Springs deposit in the Otavi Mountain Land Namibia is a small though high grade carbonate hosted Cu Zn Pb Ag As Sb Ge deposit of the Tsumeb type containing approximately 300 000 t of ore grading 10% Cu % Pb and 584 ppm Ag
·The Xiong ershan district is located in the middle of the East Qinling ore belt and hosts a number of porphyry Mo W vein/disseminated Au breccia hosted Au and vein type Ag Pb Zn deposits of which the vein type Ag Pb Zn and Au ores usually developed in separation Fig 1 The Xiayu Ag Pb Zn Au Cu orefield is the largest Ag producer 5640 t Ag in the ore
·The Tongshanling ore field is one of the most representative W Sn Cu Pb Zn polymetallic deposits in the central western Nanling Ore Belt which developed multiple mineralization types
·Sedimentary basins are highly prospective for a wide variety of base metals and other critical raw materials Hoggard et al 2020 Skirrow et al 2013 and improved mineral exploration targeting in these settings could mitigate future supply chain sediment hosted Mississippi Valley type MVT and clastic dominated CD deposit types
·Globally epithermal deposits host significant amounts of Cu Pb and Zn as well as other economically important elements such as In and Te Hedenquist et al 2000; Sillitoe and Hedenquist 2003 These metals commonly occur in sulfides mainly as chalcopyrite CuFeS 2 galena PbS and sphalerite ZnS ; however pyrite FeS 2 and arsenopyrite FeAsS often
Bayraktar I 1985 1990 Reports on several complex Cu Pb Zn and Cu Zn sulphide ores not in public domain Google Scholar McKee 1991 Case studies of flotation control in this volume Google Scholar Rao and Forssberg 1991 Electrochemistry in
Evolution of the hydrothermal ore forming system of Ashele VMS type Cu Altai orogenic belt is an important Cu Pb Zn Au Fe polymetallic province in northwest China with plenty of VMS deposits and ore resources Fig 1 a which is an ideal place and natural laboratory for studying VMS deposits Windley et al 2002 Xiao et al 2004 Yang et al 2018b The Ashele Cu Zn deposit
·Based on the types and spatio temporal distribution of ore deposits several metallogenic belts have been defined the Middle Lower Yangtze River Valley porphyry skarn Cu Au Mo Fe and iron oxide apatite IOA metallogenic belt 150 120 Ma ; the Jiangnan Au Sb W Cu Pb Zn Ag and rare metal metallogenic belt 150 120 Ma ; the Qin Hang porphyry
·It has also been reported in many sediment hosted ore deposits such as shale hosted massive sulfide SHMS or clastic dominated Zn Pb deposits volcanogenic massive sulfides VMS Irish
·The Tonggou deposit is a porphyry Cu and vein type Cu Zn mineralization system located in the Bogda Orogenic Belt north of Eastern Tianshan Systematic fluid inclusion analyses were performed on granular quartz from the magnetite quartz stage and pyrite chalcopyrite quartz stage from the porphyry Cu mineralization During the early stage
Drill core sulfide ore samples weighing about 60 kg were received from Garpenberg Boliden Mineral AB Sweden Garpenberg is an underground mine where the complex Zn Pb Ag Cu Au ore Table 2 is mined from 500 to 1400 m below the ground The core samples were initially crushed to −3 mm using a laboratory jaw crusher for the flotation feed
·The Nannihu ore field is largely represented by the Nannihu Mo W deposit Luotuoshan Zn Cu W deposit and Lengshuibeigou Pb Zn Ag deposit Mo W mineralization at Nannihu occurs in the contact zone between the Nannihu intrusion and the wall rocks showing typical characteristics of the porphyry type deposit
·Gold and Cu deposits are developed in the CAOB Lobanov et al 2014 Pirajno et al The 26 Au Cu Pb Zn orebodies in the ore district occur in the rhyolite porphyry and Ashele Formation tuff beneath the rhyolite porphyry Fig 3 a The L1 orebody is the largest with a length of 490 m and a thickness of m and it
·The Dapingzhang Cu Pb Zn ore deposit is mainly hosted in the felsic volcanic rocks of the Longdonghe Formation located in the Lancangjiang zone within the Sanjiang region Yunnan province southwest China This province is a part of the Lanping Simao Block at the southern margin of the Yangtze Block Fig 1 The volcanic host rock
·The Baoshan Block is the northern extension of the Sibumasu Block and is bounded by the Changning Menglian suture to the east and the Gaoligong fault to the west Fig 1 Sone and Metcalfe 2008 Closure of the Tethys Ocean and collision between the Indian and Eurasian plates caused orogenesis and continental collision compressed the Baoshan Block
·Sulfur and chlorine are the two most important ligands accounting for metal transport in the upper this study four metal and sulfur saturated model fluids with varying salinities and redox states were simulated in the Fe Cu Pb Zn Au S C H O system over a wide pressure temperature P T range 50 650 °C kbar in order to compare the roles of
·The Jurassic Cu Pb Zn deposits in the Qin Hang ore belt mainly include the Dexing Qibaoshan Shuikoushan Baoshan Huangshaping Tongshanling and Dabaoshan Table 1 These deposits can be further divided into two sub types according to their major mineralizing elements 1 Cu dominated deposits including the Dexing Qibaoshan and Dabaoshan; and 2
·Figure shows the locations of non sulphide Zn ore deposits in the world Presently about 85% of Zn production is from ZnS especially as the flotation is very instrumental in the enrichment of Zn minerals from ZnS sources Brazilian effluent limits for Zn ; Cd and Pb ; Cu ; total Fe 10; Mn and Ni mg/L and pH is
·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 in some deposits
