Geological Characteristics and Prospecting Criteria of Sanbao Silver Polymetallic Ore Deposit in Malipo Cuntry of Yunnan Province

Wang, Jian‐She; Yan, Yong Feng; Wang, Dong; Feng, Peng

doi:10.4028/www.scientific.net/amr.868.88

Cited by 3 publications

(5 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The fourth lithologic member (Jxp d ) was a set of shallow marine carbonaceous argillaceous rock formations, which mainly consisted of phyllite, slate and hornfels. The magmatic activity in the study area was intense and frequent, including late Mesoproterozoic submarine volcanic eruptions and early to middle Indosinian and Variscan magmatic intrusions [41]. [39].…”

Section: Tectonic Settingmentioning

confidence: 99%

“…Ninety percent of ore bodies are located in the contact zone between clastic rocks and carbonate rocks of the Pingtoushan Formation. The thicknesses of the ore veins typically range from 0.5 to 0.9 m, but the larger veins reach up to 16.5 m [41]. Despite the significant mineral resource potential in this area, the current reserves are insufficient, necessitating the discovery of new ore bodies in deep or peripheral areas.…”

Section: Geophysical Settingmentioning

confidence: 99%

See 1 more Smart Citation

Three-Dimensional Resistivity and Chargeability Tomography with Expanding Gradient and Pole–Dipole Arrays in a Polymetallic Mine, China

Wang,

Lin

et al. 2024

Remote Sensing

View full text Add to dashboard Cite

Three-dimensional resistivity/chargeability tomography based on distributed data acquisition technology is likely to provide abundant information for mineral exploration. To realize true 3D tomography, establishing transmitter sources with different injection directions and collecting vector signals at receiver points is necessary. We implemented 3D resistivity/ chargeability tomography to search for new ore bodies in the deep and peripheral areas of Huaniushan, China. A distributed data acquisition system was used to form a vector receiver array in the survey area. First, by using the expanding gradient array composed of 11 pairs of transmitter electrodes, we quickly obtained the 3D distributions of the resistivity and chargeability of the whole area. Based on the electrical structure and geological setting, a NE-striking potential area for mineral exploration was determined. Next, a pole–dipole array was employed to depict the locations and shapes of the potential ore bodies in detail. The results showed that the inversion data for the two arrays corresponded well with the known geological setting and that the ore veins controlled by boreholes were located in the low-resistivity and high-chargeability zone. These results provided data for future mineral evaluation. Further research showed that true 3D tomography has obvious advantages over quasi-3D tomography. The expanding gradient array, characterized by a good signal strength and field efficiency, was suitable for the target determination in the early exploration stage. The pole–dipole array with high spatial resolution can be used for detailed investigations. Choosing a reasonable data acquisition scheme is helpful to improve the spatial resolution and economic efficiency.

show abstract

Section: Tectonic Settingmentioning

confidence: 99%

Section: Geophysical Settingmentioning

confidence: 99%

Three-Dimensional Resistivity and Chargeability Tomography with Expanding Gradient and Pole–Dipole Arrays in a Polymetallic Mine, China

Wang,

Lin

et al. 2024

Remote Sensing

View full text Add to dashboard Cite

show abstract

“…The Suixian Group, located in the south‐western of the Xin‐Huang Fault, is composed of Wudang Group (Jixian‐Changcheng system), Yaolinghe Group (Nanhua system), Doushantuo Group (lower Sinian series), Dengying Group (upper Sinian series), and Sigou Group (Cretaceous). The Wudang Group is a series of metavolcanic rocks composed of dolomite‐albite schist, greenschist, and granulite (Hu et al, ; Leng et al, ; Peng et al, ; Wang & Wang, ). The Yaolinghe Group is composed of albite‐actinolite schist, epidote‐actinolite schist, and epidosite (Hu et al, ; Leng et al, ; Peng et al, ).…”

Section: Geological Backgroundmentioning

confidence: 99%

“…The Suizao area, located in the west section of the Tongbai‐Dabie orogenic belt (Figure b; Fan, ; Hu, ; Peng, Hu, & Huan, ), is one of the most important metallogenic belts in the northern of Hubei Province. This area hosts a lot of ore deposits such as Wangjiadashan Cu–Au deposit, Wushan Cu–Mo deposit, Zaopa Cu–Au–Mo deposit, Hehe Au deposit, Heilongtan Au deposit, and Huangjiagou Au deposit, which are mainly orogenic deposits and magmatic–hydrothermal vein deposits (Figure ; Hu, Hu, Huan, & Deng, ; Leng, Kuang, Tian, & Dong, ; Peng, Lin, Hu, & Liu, ; Wang & Wang, ; Wu, Zhang, Hu, & Gui, ; Zhang, ). The Wangjiadashan Cu–Au deposit is one of the most famous deposits in the Suizao area.…”

Section: Introductionmentioning

confidence: 99%

Fluid inclusions and H–O–C–S isotope constraints on fluid evolution and ore genesis of the Wangjiadashan Cu–Au deposit in Suizao area of the Tongbai‐Dabie orogenic belt, central China

Niu

Jiang

Hu³

et al. 2019

Geological Journal

View full text Add to dashboard Cite

The Wangjiadashan Cu–Au deposit is a vein‐type deposit controlled by the secondary faults of the Wushan Fault zone in the Suizao area of Hubei Province. Three hydrothermal stages are identified, namely, (I) barren quartz stage, (II) the quartz‐sulphide stage, and (III) quartz‐carbonate stage. Six types of fluid inclusions occur in quartz: (a) liquid‐rich aqueous fluid inclusions (L + V), (b) vapour‐rich aqueous‐carbonic fluid inclusions (V + L), (c) water‐rich aqueous‐carbonic fluid inclusions (L + V + CO2), (d) CO2‐rich aqueous‐carbonic fluid inclusions (V + L + CO2), (e) pure carbonic fluid inclusions (pure CO2), and (f) daughter mineral‐bearing multiphase inclusions (S‐type) with three subclasses (S1, S2, and S3 subtype). Two types of fluid inclusions occur in calcite: (a) liquid‐rich aqueous fluid inclusions (L + V) and (b) pure carbonic fluid inclusions (pure CO2). The S‐type fluid inclusions include halite (NaCl), calcite (CaCO3), and chalcopyrite (CuFeS2). The fluid system is composed of CO2–NaCl–H2O. The homogenization temperatures of the three stages are 295°C to 390°C, 245°C to 280°C, and 200°C to 241°C, with salinities of 7.3–19.8 wt% NaCl equiv. (except for several high values of 33.8 to 44.3 wt% NaCl equiv.), 7.7–13.7 wt% NaCl equiv., and 5.6–10.1 wt% NaCl equiv., respectively. Fluid immiscibility occurred in stage I that accounts for the high‐salinity fluids, but the dominant ore precipitation occurred afterward during temperature drop. In situ sulphur isotope analysis indicates a δ34S value around 0 (+1.1% to +2.2%) for the chalcopyrite, suggesting that the sulphur likely derived from the deep‐seated magma. Pyrites show δ34S values from −0.5‰ to +6.5‰ in stage II, from +0.7‰ to +6.6‰ in country rock of marble, but significantly higher from +12.8‰ to +21.7‰ in country rock of greenschist. These results indicate the sulphur for pyrite in stage II likely derived from the mixing of deep‐seated magma and country rocks. From stages I to II, a slightly increase of δD (from −86‰ and −73‰ to −59‰ and −56‰) and a decrease of δ18O (from 8.9‰ and 7.1‰ to 1.3‰ and 3.4‰) indicate that an increasing involvement of meteoric water. The carbon isotopes of fluid inclusions CO2 in quartz of stage I (−11.0‰ to −13.0‰) indicate a major magmatic or metamorphic carbon source mixed with minor sedimentary sourced carbon, but a major organic carbon source (−32.0‰ to −35.0‰) for stage II fluids. In conclusion, the Wangjiadashan Cu–Au deposit belongs to the orogenic type.

show abstract

“…As yet, there is no consensus regarding the depositional age of sedimentary rocks in the Kuhai–Saishitang area, with two different interpretations having been proposed (Figure 1c). One interpretation assigns the sedimentary rocks to the Middle Permian Ganjia Formation (Li, Liu, & Yang, 2012b; Lin, 1983; Lu, 1990; Wang, Yang, & Yan, 2010; Wu, 2010), whereas the other suggests a Triassic depositional age on the basis of the occurrence of Subcolumbites fossils in phyllitic slate and black shale interlayers (Li, Gui, & Gu, 2009; Li, Zhang, & Song, 1993; Mao, Lai, & Wang, 2012; Zhang, 2000, 2001).…”

Section: Introductionmentioning

confidence: 99%

Detrital zircon LA–ICP–MS U–Pb ages for sedimentary rocks from the Kuhai–Saishitang area, NE Tibet: Constraints on provenance and Cu exploration

et al. 2021

View full text Add to dashboard Cite

The Kuhai–Saishitang area, which can be divided into the Tongyugou–Saishitang and southern Kuhai areas, is located in the northeastern Tibetan Plateau. Numerous Cu deposits have been discovered in the Tongyugou–Saishitang area, with the ore‐forming materials being derived from both sedimentary rocks and igneous intrusions. In contrast, no deposits have been found in the southern Kuhai area. The mineralization potential in the southern Kuhai area remains unclear. We collected a siltstone sample from the Tongyugou–Saishitang area and a sandstone sample from the southern Kuhai area for zircon LA–ICP–MS U–Pb dating, which yielded the youngest ages of 228 and 277 Ma, respectively. The samples exhibit similar age spectra, suggesting that these rocks have a common source. Detrital zircons from the samples can be divided into five groups on the basis of their U–Pb ages: Early Mesozoic–Late Palaeozoic (228–335 Ma), Early Palaeozoic (372–565 Ma), Neoproterozoic (645–995 Ma), Mesoproterozoic (1,154–1,693 Ma), and Paleoproterozoic–Neoarchaean (1,827–3,128 Ma). On the basis of a detailed comparison of the age spectra with those in the adjacent regions, we propose that the sedimentary rocks of the Kuhai–Saishitang area have an identical provenance that was derived mainly from the northern margin of the Qaidam Basin during the Middle–Late Triassic. The southern Kuhai area is also a potential target for further Cu exploration.

show abstract

Geological Characteristics and Prospecting Criteria of Sanbao Silver Polymetallic Ore Deposit in Malipo Cuntry of Yunnan Province

Cited by 3 publications

References 0 publications

Three-Dimensional Resistivity and Chargeability Tomography with Expanding Gradient and Pole–Dipole Arrays in a Polymetallic Mine, China

Three-Dimensional Resistivity and Chargeability Tomography with Expanding Gradient and Pole–Dipole Arrays in a Polymetallic Mine, China

Fluid inclusions and H–O–C–S isotope constraints on fluid evolution and ore genesis of the Wangjiadashan Cu–Au deposit in Suizao area of the Tongbai‐Dabie orogenic belt, central China

Detrital zircon LA–ICP–MS U–Pb ages for sedimentary rocks from the Kuhai–Saishitang area, NE Tibet: Constraints on provenance and Cu exploration

Contact Info

Product

Resources

About