Analyzing the gravitational stress field to forecast hydrothermal field-A case study of TAG hydrothemal field

Chen Qinzhu; Tao Chunhui; Liao Shili; Li Huaiming; Deng Xianming

doi:10.3969/j.issn.0253-4193.2017.01.005

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Chen Qinzhu, Tao Chunhui, Liao Shili, Li Huaiming, Deng Xianming. Analyzing the gravitational stress field to forecast hydrothermal field-A case study of TAG hydrothemal field[J]. Haiyang Xuebao, 2017, 39(1): 46-51. doi: 10.3969/j.issn.0253-4193.2017.01.005

Citation:

Chen Qinzhu, Tao Chunhui, Liao Shili, Li Huaiming, Deng Xianming. Analyzing the gravitational stress field to forecast hydrothermal field-A case study of TAG hydrothemal field[J]. Haiyang Xuebao, 2017, 39(1): 46-51. doi: 10.3969/j.issn.0253-4193.2017.01.005

Citation:

Chen Qinzhu, Tao Chunhui, Liao Shili, Li Huaiming, Deng Xianming. Analyzing the gravitational stress field to forecast hydrothermal field-A case study of TAG hydrothemal field[J]. Haiyang Xuebao, 2017, 39(1): 46-51. doi: 10.3969/j.issn.0253-4193.2017.01.005

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Analyzing the gravitational stress field to forecast hydrothermal field-A case study of TAG hydrothemal field

doi: 10.3969/j.issn.0253-4193.2017.01.005

1.
College of Landscape Architecture and Water Conservancy Engineering, Wenzhou Vocational College of Science and Technology, Wenzhou 325000, China
2.
Key Lab of Submarine Geosciences, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2016-04-24
Rev Recd Date: 2016-06-28

Abstract

Abstract

According to drilling data, two layer's model is established by corresponding physical properties. Based on topographic data, here we use ANSYS software to simulate the gravitational stress field of TAG hydrothermal field. The result shows that, the hydrothermal vent locations are corresponding to the low stress area of the maximum horizontal stress. The stress of the active TAG doom area are characterized by local stress low surrounding by relative stress high, and the inactive MIR doom area without typical hydrothermal vent topography features located on unclosed area of the maximum horizontal stress low. Based on these conclusions, we predicted five places where the hydrothermal liquid probably flew out. According to drilling result, significant anhydrite was recovered in these areas, indicating that gravitational stress could be used for hydrothermal activity prediction.
- topography,
- TAG hydrothermal area,
- stress field,
- hydrothermal activity prediction

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References(20)

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