Geological Setting and Origin of Mo–W–Cu Deposits in the Honggor–Shamai District, Inner Mongolia, North China

Nie, Fengjun; Sihong, Jiang

doi:10.1111/j.1751-3928.2011.00171.x

Cited by 26 publications

(23 citation statements)

References 16 publications

(29 reference statements)

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“…the Diyanqinamu giant Mo deposit, the Jiguanshan and Chehugou large Mo deposits). Six of these deposits, including the Baogedawula (also named ‘Bogda Uul’, Nie and Jiang, ; or ‘Baogeda Ula’, Y. Liu et al ., ), Chehugou, Yuanbaoshan, Baituyingzi, Kulitu and Laojiagou Mo deposits, yield Indosinian (Triassic) ages (Table ) that could define the earliest Mo mineralization related to Mesozoic tectonic evolution.…”

Section: Regional Geologymentioning

confidence: 99%

“…The granite porphyry which intruded into the Permian sedimentary rocks, is highly irregular in form (Fig. ), with rock‐forming minerals of quartz, K‐feldspar, plagioclase, biotite, and minor sericite (Nie and Jiang, ; Y. Liu et al ., ). Accessory minerals include magnetite, apatite, zircon, sphene, and allanite.…”

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

“…Simplified geological map of the Baogedawula Mo–W deposit (modified after Nie and Jiang, ). This figure is available in colour online at wileyonlinelibrary.com/journal/gj…”

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

“…The ore minerals are mainly molybdenite, wolframite, pyrite, chalcopyrite, bornite and galena. Gangue minerals include quartz, muscovite, biotite, K‐feldspar, sericite, and fluorite (Nie and Jiang, ; Y. Liu et al ., ). Molybdenite and wolframite are mostly disseminated in quartz veins within the granite porphyry stocks, but also occur as thin coatings of molybdenite along fractures within the Permian wall rocks (Nie and Jiang, ).…”

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

“…Gangue minerals include quartz, muscovite, biotite, K‐feldspar, sericite, and fluorite (Nie and Jiang, ; Y. Liu et al ., ). Molybdenite and wolframite are mostly disseminated in quartz veins within the granite porphyry stocks, but also occur as thin coatings of molybdenite along fractures within the Permian wall rocks (Nie and Jiang, ). Hydrothermal alteration is grossly zoned grading from potassic alteration, silicification, sericitization, chloritization and argillization outward from the granite porphyry stock.…”

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

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Geology, geochemistry and tectonic setting of the Indosinian Mo deposits in southern Great Hinggan Range, NE China

Cheng

2014

Geological Journal

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The southern Great Hinggan Range in northeast China, mainly bounded by the Kangbao–Chifeng Fault to the south and the Hegenshan–Heihe Suture to the north, is a Palaeozoic subduction‐related accretionary belt added to the northern margin of the North China Craton. The area has been considered as a Yanshanian metallogenic province, with more than 20 Mo deposits being discovered. Recently, six of the Mo deposits were proven to have formed during the Indosinian (Triassic) Orogeny, indicating the significance of the Indosinian mineralization, orogeny and magmatism. In this contribution, we summarize available data of the Indosinian Mo deposits, and show that Triassic Mo mineralization occurred in the time range of 248–232 Ma, coincident with a regional granitic event, and was presented as porphyry and intrusion‐related quartz vein systems. The Indosinian ore‐related granitoids show geochemical features of high‐K calc‐alkaline metaluminous–peraluminous and adakitic rocks, and have been formed by partial melting of thickened lower crust in a post‐subduction tectonic setting. Rhenium contents of molybdenite crystals and sulphur–lead isotopic compositions indicate that the ore‐forming materials originated from continental crust with some mantle components involved. Copyright © 2014 John Wiley & Sons, Ltd.

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Section: Regional Geologymentioning

confidence: 99%

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

“…Simplified geological map of the Baogedawula Mo–W deposit (modified after Nie and Jiang, ). This figure is available in colour online at wileyonlinelibrary.com/journal/gj…”

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

Section: Characteristics Of Indosinian Mo Depositsmentioning

confidence: 99%

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Geology, geochemistry and tectonic setting of the Indosinian Mo deposits in southern Great Hinggan Range, NE China

Cheng

2014

Geological Journal

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A 2D seismic reflection dataset of the Caosiyao giant porphyry Mo deposit in the shallow coverage area in Jining, Inner Mongolia, China

Lin,

Zhang,

Yang

et al. 2023

Geoscience Data Journal

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Prospecting for and exploiting buried mineral deposits is currently challenging. Given their high precision and resolution, reflection seismic methods might be useful in such applications involving deep mineral deposits. However, there are few open seismic datasets available from mineral deposit exploration, especially in hardrock environments. The world‐class Caosiyao porphyry Molybdenum deposit (1.76 Mt) in the Jining area of Inner Mongolia, China, is largely covered by loess layers, which poses challenges to its exploration. Seismic reflection surveys were conducted in to help delineate the deep granite porphyry intrusions and associated orebodies. This paper presents the raw seismic reflection dataset from three profiles on the Caosiyao deposit area, which can be used as a standard dataset for reflection seismic processing in shallow coverage and hardrock areas. Situated at the juxtaposition of the Khondalite Belt and the Trans‐North China Orogen in the northern North China Craton, the Jining region hosts considerable known porphyry Mo deposits. As such, this open dataset can assist research on deep geological structures and hence increase prospecting efficiency in geologically similar areas.

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Tectonic setting of Triassic magmatic and metallogenic event in the Duobaoshan mineralization area of Heilongjiang Province, NE China

et al. 2015

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The Duobaoshan mineralization area is located in the northeast part of the Xing'an-Mongolia orogenic belt which belongs to the eastern part of the Central Asian Orogenic Belt (CAOB). This region has experienced multiple tectonic-magmatic-metallogenic events that resulted in a number of large-superlarge mineral deposits, e.g. the early Palaeozoic Duobaoshan and Tongshan porphyry Cu-Mo deposits, the early Mesozoic Sankuanggou skarn Fe-Cu deposit and Xiaoduobaoshan skarn Cu deposit and the late Mesozoic Zhengguang epithermal Au deposit. By detailed field survey, we have examined the weak alteration and mineralization in the tonalite veins intruding early Palaeozoic ore-bearing granodiorite in the Duobaoshan deposit and the veinlet-disseminated Cu-Mo mineralization in the porphyritic granite veins intruding in the ore-hosting Ordovician strata of the Duobaoshan Formation in the Tongshan deposit. Zircon grains from the Duobaoshan tonalite, the Tongshan porphyritic granite, and the metallogenic granite porphyry and the granodiorite in the Xiaoduobaoshan deposit yield LA-ICP-MS U-Pb weighted mean ages of 230.9 ± 2.3 Ma, 235.4 ± 2.7 Ma, 226.6 ± 1.7 Ma and 232.8 ± 1.7 Ma, respectively. In addition, the Re-Os model age of molybdenites from the Tongshan porphyritic granite is 229.4 ± 3.5 Ma. Those isotope dating results indicate that the Duobaoshan mineralization area experienced the Triassic magmatic-mineralization event. Considering the regional tectonic history of the area and the fact that the major and trace element characteristics of the Triassic tonalite in the Duobaoshan deposit are similar to those of island-arc type igneous rocks, it is presented that the Triassic magmatic-metallogenic event might be closely related to the subduction of the Mongolia-Okhotsk plate, and that the metallogenic elements originated from the mantle wedge metasomatized by liquid of subduction oceanic slab. Previous research and new geochemical analyses presented in this study indicate that the Duobaoshan mineralization area experienced at least four epochs of magmatic-metallogenic events including the Ordovician, the Triassic, the Early Jurassic and the Late Jurassic to Early Cretaceous.

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Geological Setting and Origin of Mo–W–Cu Deposits in the Honggor–Shamai District, Inner Mongolia, North China

Cited by 26 publications

References 16 publications

Geology, geochemistry and tectonic setting of the Indosinian Mo deposits in southern Great Hinggan Range, NE China

Geology, geochemistry and tectonic setting of the Indosinian Mo deposits in southern Great Hinggan Range, NE China

A 2D seismic reflection dataset of the Caosiyao giant porphyry Mo deposit in the shallow coverage area in Jining, Inner Mongolia, China

Tectonic setting of Triassic magmatic and metallogenic event in the Duobaoshan mineralization area of Heilongjiang Province, NE China

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