Lead Pb and zinc Zn are common base metals widely used in modern industrialization Due to their incompatible geochemical properties Pb Zn tends to partition and accumulate in Earth s crust Gao et al 1998 Hofmann 1988 Galena PbS and sphalerite ZnS two essential Pb Zn ore minerals occur in several sediment hosted and
Intimate knowledge of the mineralogical assembly of the Yushui complex ore rich in Cu Pb and Ag is essential if efficient separation processing is to be conducted With the aid of testing instruments such as scanning electron microscope SEM X ray diffractometer XRD and mineral liberation analyzer MLA combined with energy dispersive X ray analysis
The mineral prospectivity of the Fankou Pb Zn deposit was predicted using the abovementioned 11 evidential layers derived using the numerical modeling and RF machine learning method These input evidential layers and their relationships with Pb Zn mineralization are listed and described in Table 3
The adjacent area among Sichuan Yunnan and Guizhou SYG provinces hosts over 400 Zn Pb deposits and occurrences with more than 26 million tons Mt of Pb and Zn metals grading at 5 wt% Pb and 10 wt% Zn forming the prominent SYG Pb Zn metallogenic region Zhou et al 2018c The SYG region provides 27% of the total Pb Zn resource in
The Dongshengmiao deposit in the Langshan district is a large Zn Pb Cu deposit with reserves of Mt Zn at an average grade of % Zn Mt Pb at % Pb and Mt Cu at % Cu Long 2009 As the third largest Pb Zn deposit in China its genesis has been actively debated since its discovery Wang et al 2014 Two main hypotheses
Identifying significant geochemical anomalies is a fundamental task in mineral terms of stochastic process a specific ore forming process can be regarded as a small probability event since the deposit type sought rarely occurs in the crust of the machine learning algorithms for anomaly detection are suitable for
Combination of Machine Learning Algorithms with Concentration Area Fractal Method for Soil Geochemical Anomaly Detection in Sediment Hosted Irankuh Pb Zn Deposit Central Iran Published 2022 05 29 Issue 6 Volume 12 Page 689 ISSN 2075 163X en
The gold and vein type Pb Zn mineralization in the Baguamiao area are co enriched but independently Mao J W et al 2020 Genesis of the Bafangshan Erlihe Zn Pb Cu deposit in the Fengxian Taibai ore cluster West Qinling China Evidence from ore geology
Jinchanghe is a Zn Pb Fe Cu skarn deposit in the northern Baoshan block southwestern China It is a typical distal skarn deposit with orebodies in the Cambrian Hetaoping Formation limestone and calcareous siltstone The skarn minerals display a vertical zonation with garnet skarn in the lower part and pyroxene skarn in the upper part Economic metals are also
The late Pb Zn rich stage with sphalerite galena chalcopyrite and pyrite overprints the earlier associations Gold and silver of up to 7 g/t and 150 g/t respectively are associated with the main and late stages of mineralization The polymetallic Chah Mesi Cu Pb Zn Ag Au vein type deposit located near to the Meiduk porphyry Cu Mo Au
The Maoping large Pb Zn deposit is located in the Sichuan Yunnan Guizhou Metallogenic Province SYGMP southwestern China hosting more than 3 mt Pb and Zn minerals with 140 t associated Ge
Determining the association of Pb Zn Ag mineralization with granite is crucial for understanding metallogeny and identifying exploration targets The genesis of Pb Zn Ag Sb deposits and their genetic association with Sb Au deposits and granite associated Sn W deposits in the Tethys Himalaya of southern Tibet China remains controversial Our
The Dele Mesozoic volcanic basin in the northern Jiangxin province Southeastern China Fig 1 hosts three significant ore deposits the Dexing porphyry Cu Au Mo deposit; the Yinshan Ag Pb Zn vein deposit; and the Jinshan shear zone hosted gold of these deposits began in the Sui and Tang Dynasties 605 908 for
A dataset of nearly 3600 sphalerite spot analyses from 95 Pb Zn deposits worldwide determined by LA ICP MS was compiled from peer reviewed publications containing 12 elements Mn Fe Co Cu Ga Ge Ag Cd In Sn Sb and Pb from 5 types including
Porphyry Cu ± Mo ± Au deposits are often temporal spatial genetically associated with epithermal Ag Au polymetallic veins as best exemplified by porphyry Cu systems in the Cordillera and Andes Sillitoe 2010 These porphyry related polymetallic veins formed late in the porphyry Cu systems under epithermal conditions <375 °C and occur in the periphery of
The Morococha district in central Peru is characterised by economically important Cordilleran polymetallic Zn Pb Ag Cu vein and replacement bodies and the large Toromocho porphyry Cu Mo deposit in its centre U Pb Re Os and 40Ar/39Ar geochronology data for various porphyry related hydrothermal mineralisation styles record a Ma multi
Intimate knowledge of the mineralogical assembly of the Yushui complex ore rich in Cu Pb and Ag is essential if efficient separation processing is to be conducted With the aid of testing instruments such as scanning electron microscope SEM X ray diffractometer XRD and mineral liberation analyzer MLA combined with energy dispersive X ray analysis
Identification of multi element geochemical anomalies using unsupervised machine learning algorithms A case study from Ag Pb Zn deposits in north western Zhejiang China The units are parts per billion ppb for gold and silver parts per million ppm for the other 30 elements and weight/weight percent for the seven oxides
The Qingchengzi Pb Zn polymetallic ore field is located in the northern Liaodong gold province Reserves in the ore field are estimated to be ∼ megatons of lead and zinc 2000 tons of silver and 100 tons of gold Yu et al 2009 The ore field contains 15 Pb Zn deposits 1 Mo deposit 17 Au deposits and 3 Ag deposits Fig 2
The small scale Balugou Cu Pb Zn skarn deposit 45 298 tonnages of ore at % to % Cu % to % Pb and % to % Zn is located in the Wulonggou area in the eastern Kunlun orogen NW China Ore deposition is spatially and temporally related with the pre collisional Anisian Balugou granites 244 Ma The mineralization hosted by the
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
