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  2. Distribution Of Volcanic Rocks In China

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Characteristics and distribution patterns of volcanic …

Fractures are critical control factors in volcanic reservoirs. Thus, studies on the prediction and distribution patterns of volcanic fractures are crucial for oil and gas exploration …

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Active Volcanoes of China

In the West Kunlun Mountains, four volcanic fields (Kangxiwa, Dahongliutan, Qitaidaban and Quanshuigou) are distributed along the Dahongliutan fault, which is c. 180 km …

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Mesozoic magmatism and mineralization in Southeastern China…

Liu et al. (2020a) provided most updated information about the spatiotemporal distributions of Mesozoic granitoids and volcanic rocks in SE China based on the updated …

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Formation mechanisms and distribution of weathered …

Basin.1 There are two types of the volcanic rock reservoirs in China. Native reservoirs rely on petrology, lithofacies, and diagenesis. Weathered profile reservoirs primarily rely on ...

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Reservoir characteristics, formation …

The volcanic rock distribution is related to major faults, whereas hydrocarbon reservoir combinations are controlled by the development of faulted basins (Yang et al. 2014). Generally speaking, volcanic rocks in eastern China …

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Knowledge Base of Cenozoic Volcanoes in China

Cenozoic volcanic rocks are mainly distributed in the NE, SE and Qinghai-Tibet Plateau in China. Based on the tectonic units and origin of magma, Cenozoic volcanioes are divided into five...

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Petrogenesis of episodic volcanic-intrusive rocks in SE China…

The results show that the magmatism produced multistage volcanic and coexisting intrusive rocks regarding their crystallization ages (102–88 Ma) and Nd Hf isotopic …

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Cenozoic volcanism along Dahongliutan fault in the West …

Abstract In the West Kunlun Mountains, four volcanic fields (Kangxiwa, Dahongliutan, Qitaidaban and Quanshuigou) are distributed along the Dahongliutan fault, …

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Development characteristics and petroleum geological …

The karst palaeogeomorphology and fracture system in the late sedimentary period of the Maokou Formation controlled jointly the distribution of the volcanic rock. The area where …

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Early Cretaceous arc-related volcanic rocks in the northern …

There are widespread Late Mesozoic volcanic rocks in the Great Xing'an Range, Northeast China. However, the precise age data and tectonic evolution are still controversial. …

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Mesozoic tectonic regimes transition in the Northeast China

The volcanic rocks in GXR which are trachyandesite and trachyte imply syn-collisional setting, and they were due to collisional orogeny accompanied the closure of MO …

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Map showing distributions of Cenozoic volcanic fields and …

Map showing distributions of Cenozoic volcanic fields and deep faults in northeast China. The distributions are from ref. 28. The distance from Tianchi volcano, which is located in the central ...

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Petrogenesis of Mesozoic granitoids and …

The distribution of Mesozoic igneous rocks in SE China is mainly controlled by several large-scale northeast-trending faults, such as the Zhenghe-Dafu and Changle-Nan'ao faults (Fig. 1).

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Controlling factors of volcanic hydrocarbon reservoirs in Bohai …

Volcanic rocks can be both the reservoirs and the cap-rocks or obscured layer in the basin. The occurrence of volcanic rocks in source rocks can form fractures more easily …

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Gas-bearing reservoir distribution in a volcanic …

Abstract As a special type of lithologic body, gas-bearing strata, composed of rhyolite, an igneous rock with a volcanic composition, are characterized by deep burial, complex lithology, poor …

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Refining the spatio-temporal distributions of Mesozoic …

In this study, we developed a new database for the Mesozoic granitoids and volcanic rocks in SE China based on the published geochronological data and geological …

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Distribution and gas-bearing properties of Permian igneous rocks …

Distribution of the igneous rock Based on analysis of drilling, seismic and outcrop data, Upper Permian igneous rocks in Sichuan Basin are mainly distributed in three regions: …

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Spatio-temporal distribution and geodynamic …

Combined with field observations of volcanic rock samples and three valid 40 Ar-39 Ar geochronological data obtained in this study, we compile geochronological data in northeast China and explore a new spatio-temporal …

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Formation mechanisms and distribution of weathered volcanic …

The Carboniferous volcanic rocks are mainly composed of volcanic lava, volcanic breccia, and tuff, etc, which formed in a volcanic arc environment. As a result of the weathering and …

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Cenozoic volcanism along Dahongliutan fault in the West …

Request PDF | Cenozoic volcanism along Dahongliutan fault in the West Kunlun Mountains, China: Implication from distribution of volcanic rocks, volcanic geology, and …

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Reservoir Characteristics and Main Factors Controlling …

Nearly 100 million tons of reserves have been explored in the Well 471 area of the Hongche Fault zone. The Carboniferous volcanic rock reservoir is the main oil-bearing …

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Relationship between Permian volcanic rocks distribution …

There are mainly Carboniferous-Permian, Jurassic-Cretaceous, Paleogene-Neogene volcanic rocks and lava, pyroclastics, and karst reservoirs in the oil- and gas-bearing …

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Distribution of igneous rocks in China revealed by aeromagnetic data

The distribution of mafic–ultramafic intrusive rocks by aeromagnetic data in China. ① YarlungZangbo ultramafic rock belt, ② PangongTso-Nagchu ultramafic rock belt, ③ …

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Reservoir Characteristics and Main …

Nearly 100 million tons of reserves have been explored in the Well 471 area of the Hongche Fault zone. The Carboniferous volcanic rock reservoir is the main oil-bearing …

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Mesozoic–Cenozoic Volcanic Cycle and Volcanic Reservoirs in East China

There are widespread Mesozoic-Cenozoic terrestrial volcanic activities in East China, and they produced favorable geologic factors for the volcanic reservoirs. To reveal the spatio-temporal …

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A synthesis of geochemistry of Mesozoic igneous rocks in NE China …

Igneous rocks recording plate movements and tectonic events can be used as the "litho-probe" or "window" to help understand the Earth's interior and tectonic evolution (White, …

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The temporal and spatial distribution of volcanism in the South China

The 42–24 Ma volcanic rocks in the NW–SE Ailao Shan-Red River Fault and its northwest extension were interpreted as melt products affected by eastward continental …

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Distribution of igneous rocks in China revealed by …

After several decades of aeromagnetic surveys, the measured data now cover nearly the entire Chinese continent and part of the China Sea. These data were first applied in …

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Frontiers | Reservoir Characteristics and …

3 CNOOC China Limited, Tianjin Branch, Tianjin, China; The Mesozoic volcanic rocks are widely developed in the Bohai Bay basin. The D oilfield, located in the southeast of the …

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The temporal and spatial distribution of volcanism in the …

This paper reviews the temporal and spatial distribution of magmatism over the South China Sea region incorporating results from the recent new surveys, and discusses the …

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Reservoir characteristics, formation mechanisms and petroleum

The volcanic rock distribution is related to major faults, whereas hydrocarbon reservoir combinations are controlled by the development of faulted basins (Yang et al. 2014). …

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Characteristics, Distribution Patterns, and Classification of Volcanic

Identifying volcanic reservoir types and their distribution patterns in volcanic edifices is important for accurate prediction and exploration of hydrocarbon reservoirs. Herein, …

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Distribution and gas-bearing properties of …

distribution in China. Bulletin of the Chinese Academy of Ge-ological Sciences, 1984, 6(3): 99–107. ... The ELIP volcanic rocks in the Huayingshan region underwent intense post-eruption erosion ...

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Spatio-temporal distribution and geodynamic …

Our results show that the Cenozoic volcanism in northeast China has a horseshoe-shaped distribution, and the volcanism almost existed from Paleocene to Quaternary, which can be roughly divided into six volcanic belts.

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Relationship between Permian volcanic rocks distribution …

Relationship between Permian volcanic rocks distribution and karst paleogeomorphology of Maokou Formation and its significance for petroleum exploration in …

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(PDF) Formation mechanisms and distribution of weathered volcanic …

The Carboniferous volcanic rocks were uplifted and denuded from the end of the Carboniferous to the middle of the Permian. Denudation resulted in the absence of upper …

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