Guanghu Liu’s research while affiliated with Institute of Disaster Prevention and other places

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Publications (9)


Figure 1. (a) Geological map of Xinjiang (modified after [42]). (b) Simplified geological map of the Kalamaili area, eastern Junggar (modified after [43]).
Figure 4. Geochemical characteristics of the medium-fine-grained granites and granite porphyry in the Sayashk Sn deposit. (a) SiO 2 vs. (Na 2 O + K 2 O) diagram. (b) AR vs. SiO 2 diagram. (c) A/CNK vs. A/NK diagram. Sabei granite after [30], Huangyangshan granite after [58], Laoyaquan granite after [9], Yemaquan granite after [59]. The total rare earth elements (REEs) of the medium-fine-grained granites and granite porphyry range from 192.48 ppm to 211.12 ppm and 178.77 ppm to 270.72 ppm, respectively. On a chondrite-normalized REE diagram (Figure 5a), the two granite distribution curves have a similar trend, showing a slightly right-leaning "seagull" shape. The fractionation of LREE and HREE is not obvious, and there is an obvious negative Eu anomaly. (La/Yb) N ratio SR2 = 3.80-5.13, (La/Yb) N ratio SR1 = 2.30-4.78.
Figure 5. (a) Primitive mantle-normalized trace element and (b) chondrite-normalized REE patterns of the SR2 and SR1 in the Sayashk Sn deposit. Huangyangshan granite after [58], Laoyaquan granite after [9], Yemaquan granite after [59].
Figure 6. Part of zircon CL images showing the locations of LA-ICP-MS measurement spots and associated 206 Pb/ 238 U ages for the SR2 and SR1 in the Sayashk Sn deposit.
Figure 7. Zircon U-Pb concordia diagrams for (a) SR2, (b) SR1.

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Age, Genesis and Tectonic Setting of the Sayashk Tin Deposit in the East Junggar Region: Constraints from Lu–Hf Isotopes, Zircon U–Pb and Molybdenite Re–Os Dating
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August 2022

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1 Citation

Minerals

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Guanghu Liu

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Yunsheng Ren

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Zuowu Li

The Sayashk tin (Sn) deposit is located within the southern part of the Eastern Junggar orogenic belt in Xinjiang Province and forms part of the Kalamaili alkaline granite belt. There are many Sn polymetallic deposits in the area. To constrain the age, genesis, and tectonic setting of the Sayashk tin deposit in the East Junggar region, we conducted a bulk-rock geochemical analysis of the granite porphyry (SR1) and medium- to fine-grained granite (SR2) hosts of the deposit, LA–ICP–MS zircon U–Pb dating and Lu–Hf isotopic analysis, as well as molybdenite Re-OS dating and combined our results with the metallogenic conditions and other geological characteristics of the deposit. The results show that the Sayashk Sn deposit is indeed spatially, temporally, and genetically closely related to the granite porphyry and medium-fine-grained granite. Both zircon U–Pb ages are 308.2 ± 1.5 Ma and 310.9 ± 1.5 Ma, respectively. The isochron age of molybdenite is 301.4 ± 6.7 Ma, which represents the crystallization age of the granite porphyry and medium-fine-grained granite. Therefore, all of them formed in the late Carboniferous epoch. The medium-fine-grained granites and granite porphyry are characteristically rich in Si and alkali, poor in Ca and Mg, rich in high field-strength elements (HFSE, e.g., Zr, Hf) and Ce, and deficient in Ba, Sr, Eu, P, and Ti. They are typical A-type granites, showing the characteristics of a mixed crustal mantle source. The εHf(t) values of the zircon from the granite porphyry (SR1) range from 10.27 to 16.17 (average 13.71), εHf(t) values of the zircon from the medium-fine-grained granites (SR2) are between 5.72 and 9.21 (average 7.08), and the single model ages (TDM1) and two-stage model ages (TDM2) of the granite porphyry (SR1) fall within the ranges of 319~535 Ma and 339~644 Ma. The single model ages (TDM1) and two-stage model ages (TDM2) of the medium-fine-grained granites (SR2) fall within the ranges of 346~479 Ma and 309~557 Ma. There is little difference between their two-stage model ages and zircon U–Pb ages, indicating that the Sayashk granite may be the product of partial melting of juvenile crustal. Combined with previous research results, the Sayashk Sn deposit formed in a post-collision extensional tectonic setting after the late Carboniferous in the Kalamaili area.

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Zircon U–Pb dating, Lu–Hf isotopic composition and geological significance of granites in the Haobugao Pb–Zn deposit, southern Great Xing’an Range, China

September 2020

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15 Reads

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10 Citations

Arabian Journal of Geosciences

The Haobugao Pb–Zn deposit located in the southern Great Xing’an Range (SGXR) is one of the most important deposits within the Huanggangliang–Ganzhuermiao polymetallic metallogenic belt. Xiaohanshan quartz monzonite porphyry and Wulandaba granodiorite are present in the ore area and are assumed to be closely related to the mineralization. In this study, a new isotopic dating technique, zircon U–Pb laser ablation inductively coupled plasma mass spectrometer analysis, was applied to the granites; the analyses indicate that the Xiaohanshan quartz monzonite porphyry and Wulandaba granodiorite were emplaced at 143.9 ± 1.1 Ma and 151.3 ± 1.4 Ma, respectively. Geochemically, these A-type granites are characterized by relatively high SiO2 and K2O contents, low Al2O3 content, and negative Eu anomalies. Additionally, both granites display strong Rb, Th, U, and Ce enrichment and Ba, K, Sr, and Ti depletion. Their relatively high εHf (t) values (with averages of 7.13 and 7.87, respectively) and young two-stage Nd and Hf model ages indicate that the two granites may have predominantly derived from the partial melting of a juvenile lower crust, followed by fractional crystallization during magma ascent. The geological, elemental, and isotopic evidence shows that the Xiaohanshan quartz monzonite porphyry and Wulandaba granodiorite formed due to the upwelling of mantle-derived alkaline magma and partial melting of the crust, with a certain degree of mixed dyeing, under a tectonic background of asthenosphere upwelling and lithosphere extension via the subduction of the ancient Pacific plate.


Geology, Mineralization, Fluid Inclusion and Stable Isotope of the Early Cretaceous Sn and Associated Metal Deposits in the Southern Great Xing'an Range, NE China: A Review

October 2019

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3 Citations

Acta Geologica Sinica

The Southern Great Xing'an Range (SGXR) hosts a number of Early Cretaceous Sn and associated metal deposits, which can be divided into three principal types according to their geological characteristics: skarn type deposits, porphyry type deposits and hydrothermal vein type deposits. Fluid inclusion assemblages of different types of deposits are quite different, which represent the complexities of metallogenic process and formation mechanism. CH4 and CO2 have been detected in fluid inclusions from some of deposits, indicating that the ore‐forming fluids are affected by materials of Permian strata. Hydrogen and oxygen isotope data from ore minerals and associated gangue minerals indicate that the initial ore fluids were dominated by magmatic waters, some of which had clearly exchanged oxygen with wall rocks during their passage through the strata. The narrow range for the δ34S values presumably reflects the corresponding uniformity of the ore forming fluids, and these δ34S values have been interpreted to reflect magmatic sources for the sulfur. The comparation between lead isotope ratios of ore minerals and different geological units’ also reveals that deeply seated magma has been a significant source of lead in the ores.


Fig. 1. Macro-and hand-specimen scale characteristic for the skarn type deposits; a-c Haobugao deposi, d-Huanggang deposit
Fig. 2. Ore characteristics of porphyry type deposits; a,c-Dongshanwan deposit, b,d-Porphyry mineralization in the periphery of Haobugao mining area
Fig. 3. Chracteristics of hydrothermal vein type deposits; a,b-Dajing deposit, c-Weilasituo deposit; dBujinhei depsoit
Major types and Metallogenic model of Early Cretaceous Pb-Zn and associated metal deposits in the southern Great Xing’an Range, NE China

September 2019

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79 Reads

IOP Conference Series Earth and Environmental Science

The southern Great Xing’an Range (SGXR) is one of the most important non-ferrous metal ore concentrating areas in China, and a large number of Pb-Zn and associated metal deposits have been found and mined in this area. The Early Cretaceous deposits of SGXR can be divided into three principal types according to their geological characteristics: skarn type deposits, porphyry type deposits and hydrothermal vein type deposits. In this contribution, we list some important Early Cretaceous deposits in the SGXR and summarize their geological characteristics. Research of stable isotope and fluid inclusion reveal that the sources and properties of ore-forming fluids varied between different types of mineral deposits, while the sources of ore-forming materials of different deposits are similar(characterized by deep-seated magmatic activities). We therefore conclude that the Early Cretaceous porphyry, skarn and hydrothermal vein type deposits in SGXR belong to a unified metallogenic series and developed a synthetical model for these deposits.


Geochronology, geochemistry, and Hf Isotope of the granites from the Mo deposits in Fengning region, China: implications for tectonic evolution and mineralization of the North China Craton

July 2019

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34 Reads

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1 Citation

Arabian Journal of Geosciences

The Dacaoping and Sadaigoumen Mo deposits were recently discovered along the northern margin of the North China Craton. In this paper, we present new zircon U–Pb ages, Hf isotope data, and whole-rock major and trace element data for the monzogranite and granodiorite in the Dacaoping Mo deposit and the monzogranite in the Sabagaogoumen Mo deposit, and we use these data to constrain the metallogenic epoch and the tectonic background in the area. Combined with previous data, we suggest four phases of mineralization in the Dacaoping and Sabagaogoumen Mo deposits; these phases are 248 Ma, 236 Ma, 147 Ma, and 140 Ma. The Early Triassic monzogranite and Early Cretaceous granodiorite in the Dacaoping Mo deposit and the Middle Triassic monzogranite in the Sabagaogoumen Mo deposit are I-type granite with similar geochemical characteristics. The Triassic granites formed in a collisional–post-collisional setting between the North China plate and the Siberian plate, and the Cretaceous granodiorite formed from the rapid thinning of the lithosphere. Their source rock should mainly originate from the partial melting of ancient crustal material. Compared with other Mo deposits in the region, we can further divide these Mo deposits into three phases, namely (1) Triassic (ca. 248–223 Ma), (2) Early–Middle Jurassic (ca. 187–165 Ma), and (3) Late Jurassic–Early Cretaceous (ca. 155–130 Ma), which are consistent with the times of magmatic activity. These activities occurred during the collision and post-collision between the North China plate and the Siberian plate after the Paleo-Asian Ocean’s closure, intracontinental orogeny, and rapid thinning of the lithosphere, respectively.


Zircon U–Pb geochronology and geochemistry of the intrusions from the Sadaigoumen Mo deposit in the northern margin of the North China Craton: Implications for mineralization process and tectonic evolution

February 2019

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3 Citations

Geological Journal

The Sadaigoumen Mo deposit is a typical porphyry‐type deposit which is located in the northern margin of the North China Craton (NCC), China. Mineralization of the deposit mainly occurs as finely disseminated within the host granites. To get a better understanding of the ore‐forming process of the deposit and the genetic link between mineralization and host igneous rocks, we report LA‐ICP‐MS zircon U–Pb and whole‐rock major and trace elements data from the magmatic rocks which are exposed in the mining area. LA‐ICP‐MS U–Pb analyses yield weighed mean ages of 239.5 ± 0.58 Ma for alkali‐feldspar granites and 1872.8 ± 5.1 Ma for porphyritic granodiorite. The porphyritic granodiorite, which was previously considered to be part of the Hongqiyingzi Group, is redefined as Palaeoproterozoic highly fractionated I‐type granites: (1) They have high contents of SiO2 (69.57–72.21 wt.%) and Al2O3 (13.24–13.90 wt.%) and high Na2O + K2O (up to 7.1 wt.%) and FeOT/MgO values (6.7 to 7.7), and (2) significant depletion of Eu, Sr, Ba, P, and Ti elements; (3) compared with typical A‐type granites, they have lower Ga (around 20.5 ppm) and 10000 × Ga/Al values (around 2.8); the Triassic alkali‐feldspar granite samples also show highly fractionated I‐type geochemical signatures with high Na2O + K2O (8.40–8.50 wt.%), FeO*/MgO (12.67–13.49), and Ga/Al (2.58–2.81) ratios. The higher ∑REE values (>199.69 ppm) and depletions of Nb, Ta, and Ba make it different from typical A‐type granites. By comparative analysis of geochemical data, we believed that the ca. 1872.8 Ma porphyritic granodiorite formed in a tectonic environment resembling that of magmatic arc granites and the ca. 239.5 Ma alkali‐feldspar granite formed in syn‐collisional settings which is related to closure of Palaeo‐Asian Ocean. Our new data, combined with previous studies, allow us to speculate that the Triassic alkali‐feldspar granite is directly related to the Mo mineralization in this area.


Geochemistry, zircon U–Pb, and molybdenite Re–Os geochronology of the Mo deposit in Fengning region, Hebei Province, China

November 2018

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66 Reads

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3 Citations

Geological Journal

The Dacaoping and Sadaigoumen Mo deposits were recently discovered along the northern margin of the North China Craton. The newly determined Re–Os isochronous age of molybdenite from the Dacaoping Mo deposit is ca. 147 Ma, and the Re–Os model age of molybdenite from the Sadaigoumen Mo deposit is ca. 248 Ma, which represents two of their respective mineralization stages. Combined with previous data, we suggest four phases of mineralization in the Dacaoping and Sabagaogoumen Mo deposits; these phases are 248, 236, 147, and 140 Ma. The Early Triassic monzogranite and Early Cretaceous granodiorite in the Dacaoping Mo deposit and the Middle Triassic monzogranite in the Sabagaogoumen Mo deposit are I‐type granite with similar geochemical characteristics. The Triassic granites formed in a collisional–post‐collisional setting between the North China Plate and the Siberian Plate, and the Cretaceous granodiorite formed from the rapid thinning of the lithosphere. The partial melting of the lower crust is the main reason for their formation, and small amounts of mantle‐derived components were added. Compared to other Mo deposits in the region, we can further divide these Mo deposits into three phases, namely, (a) Triassic (ca. 248–223 Ma), (b) Early–Middle Jurassic (ca. 187–165 Ma), and (c) Late Jurassic–Early Cretaceous (ca. 155–130 Ma), which are consistent with the times of magmatic activity. These activities occurred during the collision and post‐collision between the North China Plate and the Siberian Plate after the Paleo‐Asian Ocean's closure, intracontinental orogeny, and rapid thinning of the lithosphere, respectively.


Fluid Inclusions and CHOSPb Isotopes: Implications for the Genesis of the Zhuanshanzi Gold Deposit on the Northern Margin of the North China Craton: Fluid inclusions and isotope geochemistry

August 2018

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50 Reads

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7 Citations

Resource Geology

The Zhuanshanzi gold deposit lies in the eastern section of the Xingmeng orogenic belt and the northern section of the Chifeng‐Chaoyang gold belt. The gold veins are strictly controlled by a NW‐oriented shear fault zone. Quartz veins and altered tectonic rock‐type gold veins are the main vein types. The deposits can be divided into four mineralization stages, and the second and third metallogenic stages are the main metallogenic stages. In this paper, based on the detailed field geological surveys, an analysis of the orebody and ore characteristics, microtemperature measurement of fluid inclusions, the Laser Raman spectrum of the inclusions, determination of CHOSPb isotopic geochemical characteristics, and so on were carried out to explore the origin of the ore‐forming fluids, ore‐forming materials, and the genesis of the deposits. The results show that the fluid inclusions can be divided into four types: type I – gas–liquid two‐phase inclusions; type II – gas‐rich inclusions; type III– liquid inclusions; and type IV – CO2‐containing three‐phase inclusions. However, they are dominated by type Ib – gas liquid inclusions and type IV – three‐phase inclusions containing CO2. The gas compositions are mainly H2O and CO2, indicating that the metallogenic system is a CO2H2ONaCl system. The homogenization temperature of the ore‐forming fluid evolved from a middle temperature to a low temperature, and the temperature of the fluid was further reduced due to meteoric water mixing during the late stage, as well as a lack of CO2 components, and eventually evolved into a simple NaClH2O hydrothermal system. CHOSPb isotope research proved that the ore‐forming fluids are mainly magmatic water during the early stage, with abundant meteoric water mixed in during the late stage. Ore‐forming materials originated mostly from hypomagma and were possibly influenced by the surrounding rocks, suggesting that the ore‐forming materials were mainly magmatic hydrothermal deposits, with a small amount of crustal component. The fluid immiscibility and the CO2 and CH4 gases in the fluids played an active and important role in the precipitation and enrichment of Au during different metallogenic stages. The deposit is considered a magmatic hydrothermal deposit of middle–low temperature.


Geology, fluid inclusion, and stable isotope study of the skarn-related Pb–Zn (Cu–Fe–Sn) polymetallic deposits in the southern Great Xing’an Range, China: implications for deposit type and metallogenesis

March 2018

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48 Reads

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10 Citations

Arabian Journal of Geosciences

In recent decades, several skarn-related deposits have been found and explored in the southern Great Xing’an Range of China. To get a clear understanding of the characteristics and genetics of this type of deposit in this area, three of the largest, most typical, and most famous skarn-related deposits (Haobugao Pb–Zn deposit, Huanggang Sn–Fe polymetallic deposit, and Baiyinnuoer Pb–Zn deposit) are selected for systematically metallogenic study in this paper. The results of ore geology, fluid inclusion, and stable isotopes indicate that (1) most of the ore bodies of each deposit, occurred in the outer contact zone of the magma intrusion and Permian strata, fine vein disseminated mineralization within the intrusions were also found in this study. Mineralization of these deposits all show closely temporal, spatial, and genetic relationships with skarns. (2) Fluid inclusion petrography and microthermometry results show that the fluid inclusion assemblages developed in the different mineralization stages of each deposit changed from Type-S (daughter mineral-bearing three-phase fluid inclusions) + Type-V (vapor-rich fluid inclusions) + Type-L (liquid-rich fluid inclusions) to Type-V + Type-L and eventually evolved into L-Type. Correspondingly, the ore-forming fluids changed from medium to a high-temperature, high-salinity, and boiling fluid system and then to a low-temperature, low-salinity, and uniform fluid system. The types of fluid inclusions in garnets are consistent with those in quartz phenocrysts of Mesozoic granites, indicating that the formation of skarns is directly related to Mesozoic magmatic activity. (3) The δ³⁴S values of ores from the above three deposits all exhibit a narrow variation range (changes are mainly around 0‰) and greatly differ from the SEDEX-type deposits in China. The lead isotope compositions of the sulfide minerals are also consistent with those of Mesozoic granites. These previous characteristics suggest that both of the ore-forming fluids and the ore-forming materials were of magmatic origin. Consequently, the Haobugao, Baiyinnuoer, and Huanggang deposits are all skarn-type deposits, which are related to Mesozoic magmatic activities in terms of ore geology features, ore-forming fluids, and ore-forming material.

Citations (6)


... In mineralogy, Type-I arfvedsonite is an important petrogenetic indicator of alkaline magma, which forms in the reducing condition. The Sayashk hydrothermal Sn deposit occurring in the arfvedsonite granite in this area also reflects the low magmatic oxygen fugacity [82]. A large number of metal sulfides and oxides such as pyrrhotite, chalcopyrite, and ilmenite are developed in the graphite orbicules with rarely magnetite content, which also reflects the characteristics of relatively low oxygen fugacity. ...

Reference:

Magma Evolution and Constraints on the Graphite Mineralization Hosted by the Huangyangshan Alkaline Granite Suite in the East Junggar of Xinjiang Province: Evidence from In Situ Analyses of Silicate Minerals
Age, Genesis and Tectonic Setting of the Sayashk Tin Deposit in the East Junggar Region: Constraints from Lu–Hf Isotopes, Zircon U–Pb and Molybdenite Re–Os Dating

Minerals

... Therefore, this area became an ideal place for studying mineralization, magma source changes, and tectonic evolution related to mineralization. Since the 1950s, not only have the ore-forming age, ore-forming fluid characteristics, and sources of individual deposits in this area been studied by previous researchers [27][28][29][30][31], but research on the chronology, petrogenesis, and tectonic environment of metallogenic intrusive rocks has also been carried out [22,[32][33][34][35][36][37][38]. These findings indicate that the Late Mesozoic was the most important period for metallogenic formation. ...

Zircon U–Pb dating, Lu–Hf isotopic composition and geological significance of granites in the Haobugao Pb–Zn deposit, southern Great Xing’an Range, China
  • Citing Article
  • September 2020

Arabian Journal of Geosciences

... It is estimated to contain Mo reserves of 0.187 Mt, with an average grade of 0.076% Mo (Jiang et al., 2014). Previous studies mainly focused on its geological characteristics Shen, 2011), the ore-forming age Shen, 2011;Wei et al., 2013;Jiang et al., 2014), and petrogenesis (Luo et al., 2010;Wang et al., 2019;Chen et al., 2020), whereas the metallogenic processes that affected the deposit remain poorly constrained. Dai et al. (2007) and Wu et al. (2018) described the characteristics of fluid inclusions from the deposit, but these studies did not consider the various stages of mineralization, and no previous study has examined the fluid evolution of the deposit. ...

Zircon U–Pb geochronology and geochemistry of the intrusions from the Sadaigoumen Mo deposit in the northern margin of the North China Craton: Implications for mineralization process and tectonic evolution
  • Citing Article
  • February 2019

Geological Journal

... Country rocks include both Neoarchean-Paleoproterozoic basement and late Neoproterozoic-Ordovician limestones and sandstones. Resulting ores include Cu-and Mo-rich porphyry (Dawan, Mujicun, Dazhuangke, Dacaoping), Fe-Cu skarn (Geziling, Futuyu, Zhijiazhuang, Shouwangfen), and Pb-Zn skarn (Lianbaling) deposits (Dong et al., 2013;Song et al., 2014;Sun et al., 2019c;Yang et al., 2019a). The concentration of metalliferous magmatic-hydrothermal systems within this northern part of the uplift (Fig. 8) could reflect the local structural complexity, particularly near where the Taihangshan uplift intersects the east-west structural trend of the Yinshan belt. ...

Geochemistry, zircon U–Pb, and molybdenite Re–Os geochronology of the Mo deposit in Fengning region, Hebei Province, China
  • Citing Article
  • November 2018

Geological Journal

... 62,63 The region is rich in mineral resources and features various types of mineralization, such as epithermal gold, skarn copper, and porphyry copper−molybdenum deposits. Mainly include the Zhuanshanzi gold, Dahuanghutong and Xujiashuiquan copper, 62,63 Baituyingzi molybdenum, 64 and Yajishan and Baimashigou copper−molybdenum deposits. 65,66 Gold deposits represented by Zhanshanzi gold deposit primarily occur in the Permian Yujiabeigou Formation rhyolites and Indosinian granites, exhibiting strong geochemical anomalies of Au and Ag. ...

Fluid Inclusions and CHOSPb Isotopes: Implications for the Genesis of the Zhuanshanzi Gold Deposit on the Northern Margin of the North China Craton: Fluid inclusions and isotope geochemistry
  • Citing Article
  • August 2018

Resource Geology

... High-temperature hydrothermal systems (e.g., skarn and magmatic-hydrothermal deposits) exhibit smaller Cd isotopic variations than low-temperature hydrothermal systems (e.g., MVT deposits). Skarn and magmatic-hydrothermal deposits, such as the Baiyinnuoer (166-480°C; Wang et al., 2018) and Shagou (157-267°C; Li et al., 2013) deposits, exhibit the range of δ 114/110 Cd NIST-3108 values of 0.26 to 0.01‰ and 0.06 to 0.01‰, respectively . MVT deposits, such as the Fule (93-200°C; Liang, 2017) and Daliangzi (213-283°C;Wu, 2013) deposits, exhibit greater range of δ 114/110 Cd values of 0.06 to 0.58‰ (Zhu et al., 2017 and 0.22 to 0.32‰ , respectively (Table S1). ...

Geology, fluid inclusion, and stable isotope study of the skarn-related Pb–Zn (Cu–Fe–Sn) polymetallic deposits in the southern Great Xing’an Range, China: implications for deposit type and metallogenesis
  • Citing Article
  • March 2018

Arabian Journal of Geosciences