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Qiyueshan fault zone

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Journal Article
Published: 01 June 2006
Journal of Environmental and Engineering Geophysics (2006) 11 (2): 151–156.
... is perpendicular to the trend of the cavity and crosses the cavity near station 250. The cavity is over 10 km long and the entry is about 3 km from the survey line. The cavity is distinguished as a resistive zone. The inset photo shows the entrance to the cavity. Based on the known cavities and faults...
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Journal Article
Published: 01 March 2013
Journal of Environmental and Engineering Geophysics (2013) 18 (1): 43–54.
... with well-developed metamorphic rocks. The purpose of the CSAMT survey was to map the outcropped faults to depth and identify any hidden faults or weakened zone in the subsurface. The site is located in the arid Beishan area, Gansu Province. Substantial challenges were encountered in acquiring quality...
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Journal Article
Journal: Interpretation
Published: 19 March 2015
Interpretation (2015) 3 (2): SJ25–SJ34.
... in the southeastern margin of the Sichuan Basin and is close to the Qiyueshan fault in the east as shown in Figure  2 . Due to the combined effect of three fold zones (Huayingshan, Qiyueshan, and Loushan), the southeastern Sichuan basin is dominated by folded belts, consisting of several northeast–north/northeast...
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Journal Article
Journal: Geophysics
Published: 13 February 2018
Geophysics (2018) 83 (2): B47–B57.
...Lanfang He; Ling Chen; Dorji; Zhanxiang He; Xuben Wang; Bayi Xiao; Ligui Xu; Xuefang Zhao; Xiaolu Xi; Hongchun Yao; Rujun Chen ABSTRACT The exploration of podiform chromites in the Indus Yarlong Zangbo suture zone of southern Tibet has proved difficult because most known deposits pinch out...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2018
AAPG Bulletin (2018) 102 (11): 2239–2265.
... of the Qiyueshan fault experienced a continuous uplift and superposition by folding ( Shen et al., 2007 ; Guo and Zhang, 2014 ). As a consequence, compressive fractures or fold-thrust structures occurred extensively at the edge of the basin, such as the area near the Qiyueshan fault ( Figure 1B ). In the late...
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Journal Article
Journal: Geophysics
Published: 08 August 2013
Geophysics (2013) 78 (5): B201–B209.
... to clearly distinguish a faulted bedrock from an unfaulted bedrock. The former appears as a low(er)-resistivity zone on the inverted resistivity cross section. We were able to identify two potential zones with favorable groundwater storage. In addition, one of the inverted CSAMT resistivity cross sections...
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Journal Article
Journal: Geophysics
Published: 07 November 2016
Geophysics (2017) 82 (1): EN1–EN11.
... length of 14 km, and it is the main project of the Gui-Guang high-speed railway. Most of the tunnel route is covered by karst terrains. Faults, which always act as a cause of karst cavities, are also well-developed across or along the tunnel route (Figure  2 ). The initial geophysical and engineering...
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Journal Article
Journal: AAPG Bulletin
Published: 15 December 2019
AAPG Bulletin (2019) 103 (12): 2909–2942.
...-size distribution and unravel the main controlling factors of OM porosity in the Longmaxi shale reservoir; and, finally, (5) discuss the implications of OM porosity for shale gas storage and permeability. The southeastern Chongqing area is located in the eastern district of the Qiyueshan fault...
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Journal Article
Published: 10 April 2019
Journal of Environmental and Engineering Geophysics (2019) 24 (1): 129–143.
... ., caving, fault, and crooked zones) in the vertical direction ( Liu et al ., 2005 ; Li et al ., 2015 ), as shown in Fig. 1 . These problems pose considerable threats to mine construction and production. Moreover, water at the ground surface or underground flowing into the goafs can lead to mine water...
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Journal Article
Published: 01 May 2014
Environmental and Engineering Geoscience (2014) 20 (2): 109–132.
... either to gravitational deformation (e.g., fault planes, shear zones, fissures, colluvial wedges, synforms) or deposition controlled by differential settlement (e.g., pinch outs) that may also be imaged by some geophysical techniques. Traditionally, gravity and microgravity have been the preferred...
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Journal Article
Published: 18 February 2016
Canadian Journal of Earth Sciences (2016) 53 (4): 426–440.
..., and is further subdivided into six sublevel tectonic units ( Fig. 1 a ; Ma et al. 2007 ; Chen et al. 2014 ). As shown in Fig. 1 a , Jiaoshiba area is located both in the east zone and on the west side of the basin boundary faultQiyueshan fault. The study area is a wide and gentle anticline confined...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2010
AAPG Bulletin (2010) 94 (11): 1741–1759.
... for Hangzhou Bay Bridge. Thirty-nine boreholes penetrated the gas-bearing zone. Intense gas flow was accompanied by sand and mud eruptions from the boreholes. Even after 3 months, gas continued to flow to the surface. From this, it was concluded that there is a large amount of biogenic gas is in the area...
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