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·The formation of the Ailaoshan metallogenic belt was the result of the Neoproterozoic super mantle plume the Indosinian and South China blocks in the Late Triassic after the Paleo Tethys Ocean closure and Oligocene Eocene continental scale shearing related to the India Eurasia collision It is one of the most important Cenozoic gold ore province in the
·The Garrcon gold deposit million tonnes of ore containing 636 000 oz Au 31 is located in the Garrison camp near the provincial border between Ontario and Quebec within a transtensional
·The results show that the mineral alteration extraction method proposed in this paper has certain guiding significance for metallogenic prediction by remote sensing Dayaoshan as an important metal ore producing area in China is faced with the dilemma of resource depletion due to long term exploitation In this paper remote sensing methods are used to
·Pyrite auriferous or gold barren is the predominant metal sulfide in orogenic gold ores and its trace element geochemistry has been widely used to reveal ore forming processes Cook et al 2013 Gregory et al 2016 Voute et al 2019 However trace element compositions of pyrite from different orogenic gold deposits vary widely Babedi et al 2022
·The Ngoura Colomines area is located in an inter tropical environment in the eastern region of Cameroon and has a strong potential for gold deposits Fig 1 Fig 2 Active gold extraction from the three main gold mining districts in eastern Cameroon targets mineralization of both quartz veins and altered wall rock Suh et al 2006 Tata et
·Identifying geochemical anomaly through spatially anisotropic singularity mapping A case study from silver gold deposit in Pangxidong district SE China Author links the cost of unnecessary elements concentration detection by determining a small number of key indicator elements using machine learning methods in the regional geochemical
·Four entities of gold deposit including the Yangpingwan Xiangzizhai Lingjinggou and Jinpengou gold deposit are connected to the stratigraphic unit of the Silurian Meiziya Formation through their relationship with the ore bearing strata An intelligent system for mineral identification in thin sections based on a cascade approach
·The Jiapigou gold metallogenic belt JGMB located in southeastern Huadian southern Jilin Province Northeast China is not only an important gold cluster area in the eastern segment of the northern margin of the North China Craton NCC but also the main gold producing area with proven gold reserves of more than 180 tons [] in China in which a dozen
·Based on the contents of Ag Pd Cu Pb Sb Te and Bi in gold the Random Forests classifier can correctly classify gold deposit types for the blind test with an overall accuracy of % confirm that gold chemical signatures from various deposit types can be captured and be potentially useful for identifying gold bearing deposit types in
·The Dayu gold deposit located within the geologically complex Dayao Uplift of the South China Block serves as an ideal case study Guo et al 2020 The area s diverse lithological assemblages and intricate tectonic evolution provide a unique opportunity to investigate the geological processes behind Au mineralization in this dynamic region
·Gold deposits can exhibit complex geological settings making their identification and characterization challenging The mineralization can occur in intricate
·The orogenic gold deposits along the NNW trending Ailaoshan shear zone are formed during Miocene continental collision after a complex history of Neoproterozoic subduction Late Triassic amalgamation between the Indochina and South China blocks after closure of the Paleo Tethyan Ocean and Oligocene Eocene continental scale shearing related to the Indian
·1 Introduction Orogenic gold deposits are referred to the gold ores formed at convergent plate boundaries which are space time related to accretional or collisional orogeny Groves 1993 These deposits are controlled by ductile brittle shear zones and are characterized by disseminated or lode style mineralization Groves et al 1998 Orogenic gold deposits
·Understanding the geological processes that contribute to the formation of gold deposits can help prospectors identify promising areas to search for gold Finding the Right Locations To increase the likelihood of finding gold it is essential to focus on the right locations Different types of gold deposits require different prospecting
·Potassium silicate alteration is a hallmark of the porphyry copper deposits that supply two thirds of the world s annual copper demand These deposits formed in the cores of calc alkaline to alkaline volcanic systems from the flux of magmatic gas that transported copper and other metals from source to the surface
·1 Introduction Jiaodong is the world s third largest gold mining district accounting for one fourth of the total gold production in China Chen et al 2004 Fan et al 2005 The Liaoshang gold deposit is located in the northeastern margin of the Jiaolai Basin and its discovery represents a recent exploration breakthrough in recent years
·This review compares genetic parameters of 12 orogenic gold deposits The set of examples is considered to represent largely the variability of orogenic gold deposit OGD characteristics The data are presented in tables and include following definitive parameters regional geologic settings nature of hosts rocks and mineralization ore controlling structures
· a Simplified map showing tectonic division of the Qinling orogen Also shown are the major faults gold deposits and the location of Qiuling adapted from Wu et al 2018 The insert indicates the location of the West Qinling orogen in China b Geology of the Qiuling gold deposit adapted from Chen et al 2015 For interpretation of
·This paper focuses on the scientific problem of quantitative mineralization prediction at large depth in the Zaozigou gold deposit west Qinling China Five geological and geochemical indicators are used to establish geological and geochemical quantitative prediction model Machine learning and Deep learning algorithms are employed for 3D Mineral
·Identification of Earth s hidden treasures is becoming increasingly difficult owing to the continued depletion of easily accessible deposits and the social stigma surrounding mining activities
·The Mahuagou gold deposit is among the most important gold deposits in the core of the Huangling Anticline However the geochemical exploration on the surface of the mining area presents challenges due to the thin overburden This paper focuses on the overburden soil of the Fengxiangshugou FXS Mahuanggou MHG section as the research
Abstract In the Mesoamerican archaeological literature collections of material regarded as somehow anomalous according to the archaeologist s expectations are often referred to as problematical deposits PDs Their problematical aspect originates in the researcher s current state of knowledge of the particular site not in past behavior PDs are site specific provisional
·Machine learning coupled with mineral geochemistry reveals the origin of ore deposits so the favored Random Forests classifier might be ineffective in identifying iron oxide copper gold geometric means of 740 ppm Co ppm Ni orogenic Au ppm Co ppm Ni porphyry Cu 452 Co 336 ppm Ni volcanogenic massive sulfides 8
·The process and mechanism of gold mineralization are frontier issues The Dunbasitao deposit is the most important gold deposit discovered along the Armantai suture zone East Junggar NW China which indicates the potential for future ore exploration in this area Orebodies are mainly hosted in Lower Carboniferous Jiangbasitao Formation volcano
·The results show that the C V model can identify the geological element distribution and the CoDA method can extract geochemical element associations in 3D space reliably and the machine learning methods of MaxEnt and GMM have high performance in 3D MPM 3D Mineral Prospectivity Mapping of Zaozigou Gold Deposit West Qinling China
·A supervised machine learning based approach to correlate apatite compositions with ore deposit type utilizing high dimensional apatite trace element compositional data and shows that the XGBoost classifier eficiently and accurately classifies high dimensional apatite trace element data according to the ore deposit type Abstract The diverse suite of trace
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·Pyrite is a common auriferous mineral in hydrothermal vein type gold deposits orogenic type and intrusion related ones Trace elements composition of pyrite is closely related to the ore fluid physicochemical conditions temperature pH oxidation state and sulfur fugacity; Gregory et al 2019 The pyrite texture and morphology can reflect replacement or
