Au, Cu, Pb, Zn, Ag <350: AS: 0.6–0.8: Aqua regia and foam [54,59] Hongshanzi U prospecting area: U, Pb, Cr, Nd, Th, Mo, Cu, Zn, Ag, W: 150~350: AS: …
The variation in the contrast coefficient for each element with depth shows that the indicative elements can be roughly divided into three categories. The first group of …
Intelligent prospecting and prediction are important research foci in the field of mineral resource exploration. To solve the problem of the performance degradation of deep convolutional neural networks, enhancing the attention to target information and suppressing unnecessary feature information, this paper proposes a new prospecting …
In this ore cluster area, there are more than 70 discovered mineral deposits that mainly contain the mineral types of Au, Pb, Zn, and small amounts of Cu and Ag. The cumulative discovered Au deposits are approximately 200 tons, and the Pb and Zn deposits are more than 5 million tons (Wang et al., 2007; Li, 2008). To find more Au deposits in …
The traditional convolutional neural networks applied in mineral prospectivity mapping usually extract features from only one scale at each iteration, resulting in plain features. To combat this limitation, this study utilized a convolutional neural network based on GoogLeNet to predict prospectivity for gold deposits in the Fengxian study area, …
Nearly or NNAPs could carry high proportion of ore-related elements, such as W, Pb, and Co in oxide nearly or NNAPs; Cu in S–O-bearing nearly or NNAPs; and Zn in P–O-bearing nearly or NNAPs. Nearly or NNAPs that carry ore-related elements were obtained from the surface area of the concealed deposits but not in the blank control …
1. Introduction. Orogenic-type deposit is one of the most important economic deposit types in the world and accounts for large amounts of metal reserves, especially gold, in the world (Goldfarb et al., 2005, Chen, 2006, Fan et al., 2022).The orogenic-type deposit is typically hosted in shear zone and the ore-fluid associated with the orogenic …
In 1888, the discovery of gold drew prospectors into the Pilbara, where they soon discovered alluvial cassiterite. The first reported production was in 1893, and production peaked in 1907 at 867 t. ... Value is in Australian dollars as of 31 December 2011. Only major metals (Au, Cu, Zn, Pb, Ag, Ni, Sn and U), iron ore, rare earth oxides and ...
The discussion provides a reference for future gold prospecting. In this paper, based on the analysis of 1572 small and above-scale gold deposits in China, the gold deposits are divided into four types for prediction pur ... Mo, and Bi to the medium– and low–temperature elements Cu, Zn, Pb, Ag, Au, Sb, and Hg, by which the zonation …
The MGB is well known for its numerous precious and base metal deposits, including: (1) Sb and Au mineralization along a central structural lineament, the Antimony Line (AL); (2) massive sulfide-style Cu–Zn mineralization associated with acid volcanic rocks along the northern margin of the belt; and (3) beryl–emerald mineralization associated …
The Shuangjianzishan deposit in Inner Mongolia is a typical Ag-Pb-Zn deposit of the southern Great Xing'an Range. Proven reserves of Ag, Pb, and Zn in this deposit have reached the scale of super-large deposits, with favorable metallogenic conditions, strong prospecting signs, and high metallogenic potential.
Cu–Pb–Zn mines are located in the marble in this area. Therefore, this area can be an important target for prospecting polymetallic deposits associated with Te ores. ... Sun J, Zhang L (2016) An integrated ore prospecting model for the Mwamola gold deposit, Tanzania. Geol China 43:1409–1419. Google Scholar
The Shibaogou deposit is located in the Luanchuan ore district within the East Qinling orogenic belt (EQOB), central China, which is a newly discovered Mo–Pb–Zn skarn deposit. The skarn and Mo–Pb–Zn …
The Jiguanzui Cu–Au skarn deposit, with a proven ore reserve of 5.6 Mt at 4.87 g/t Au and 181 Mt at 1.03% Cu (Qiu, 1995, Zhao et al., 1999, Pan and Dong, 1999), is an important skarn deposit in the Edong ore district of the Middle–Lower Yangtze River Valley metallogenic belt (MLYRB), Eastern China.
The Fudian ore field in the southern North China Craton hosts the giant Donggou porphyry Mo deposit and several Pb-Zn-Ag vein deposits. Ore genesis of the Pb-Zn-Ag deposits and their relationships with the Donggou porphyry-related system are still controversial, which further restricts the regional prospecting and exploration. The …
The Erdaohe deposit is the first large-scale Pb–Zn–Ag deposit discovered in the middle segment of the Great Hinggan Range (MGHR) in recent years, containing a reserve of 298,621 tons Pb, 1,175,518 tons Zn, 2,360 tons Ag, and 1,226 tons Cu with average grades of 1.44%Pb, 5.56% Zn, 133.5 g/t Ag, and 0.94% Cu, respectively.
The study area is located in the eastern West Qinling orogenic belt in the Daqiao gold-antimony ore exploration area. This region belongs to the Hezuo-Minxian-Liangdang gold-mercury-antimony metallogenic belt (Zhang & Liu, 2013), which shows good metallogenic properties for Au, Hg, Sb, Pb, Zn, W, Mo, and Cu deposits. Triassic, …
select article Hydrothermal rutile U-Pb dating of gold mineralization in the Jiangnan Orogen: A case study of the Hengjiangchong gold deposit in northeastern Hunan. ... Magmatic-hydrothermal evolution of the Hutouya Cu–Fe–Pb–Zn ore district in the Qiman Tagh Metallogenic Belt, NW China. Hongying Qu, Binwu Zhang, Kurt Friehauf, Hui Wang ...
The Qingmai Pb–Zn-Cu-Ag ore target area is located in the southeast margin of Xiangcheng Basin ... The gold prospecting idea of "altered ultrabasic rocks" is in a dilemma. From 1985 to 1987, soil chemical exploration of 1: 10,000 and 1: 25,000 was carried out in this mining area and its periphery, and 67 gold anomalies were delineated. …
The skarn formation and Zn-Pb-Fe-Cu mineralization is divided into four paragenetic stages: a pre-ore stage dominated by prograde garnet and pyroxene, an oxide stage represented by Fe ...
the potential to ore prospecting of Zn and Fe isotopes on a broad spatial scale. ... Zn–Pb–Cu ore deposits thought to be of Proterozoic age (Ding and Jiang 2000;Lietal.2007). The Zhaertai Group in ... several large and giant orogenic copper–gold deposits in the
In this paper, a polymetallic deposit with low-moderate temperature magmatic ore fluids in the shallow epithermal environment and boiling inclusion assemblages at deeper levels below Cu–Au ore bodies will be shown. The Yinshan Cu–Au–Pb–Zn–Ag deposit is located in the famous Dexing copper–gold polymetallic …
3.Geologic features of ore deposit Luziyuan Pb-Zn-Fe polymetallic deposit is located at the southern end of Hengduan Mountains in western Yunnan, about 10km away from Fengwei Town, Zhenkang County direction.orders.Before, 26 orebodies were ringed in 4 main ore belts and many metal mineralization points in the ore area, among which, Pb, Zn and ...
The Pb–Zn-Cu-Ag polymetallic ore target area with hot ditch in Gacun's periphery refers to the range from the south of exploration line 32 to the north of …
(1) The relatively high background values of ore-forming elements such as Cu, Fe, Pb, Zn, and Ag in the T 3 b formation: The Triassic neritic facies sedimentation with volcanic-sedimentary activities in the continental margin existed in the BKC deposit and even in the SM-IC Basin, where some VHMS Cu–Fe–Pb–Zn polymetallic deposits …
I (①, ② and ③) show that the first-order hydroxyl anomaly points No. ① and No. ② correctly indicated the presence of a Cu–Pb–Zn ore belt. The Cu–Pb–Zn ore deposits are located in ...
Metallogenic environments, ore-forming types and prospecting potential of Au-Cu-Zn-Pb resources in Western Tianshan Mountains. Geology in China, 42, 381–410 …
The concentration of the metals in the deposits varies widely in a range of few parts per million (1–100 g/t or ppm) in noble metals such as platinum (Pt), palladium (Pd), gold (Au), silver (Ag), at a low percentage (1–10 wt.%) for Cu, zinc (Zn), lead (Pb), and higher grade or tenor (40–60 wt.%) for aluminum (Al), chromium (Cr), iron (Fe ...
The Xiqianluzi Pb–Zn polymetallic deposit is located in the southeast of the southern Beishan belt, whereas the ore-forming metal sources are still unclear. Its Pb–Zn ore bodies mainly occur in the Changcheng system Qianluzigou Group metamorphic clastic rocks, showing zonation of Cu–Zn–Pb metals from deep to surface.
The Huogeqi Cu-Pb-Zn: A case of orogenic-type base metal deposit. Studies in the past ten years have shown that the Huogeqi Cu-Pb-Zn deposit share broad …