Architecture of buried reverse fault zone in the sedimentary basin: A case study from the Hong-Che Fault Zone of the Junggar Basin

Liu, Yin; Wu, Kongyou; Wang, Xi; Liu, Bo; Guo, Jianxun; Du, Yu

doi:10.1016/j.jsg.2017.11.002

Cited by 22 publications

(15 citation statements)

References 57 publications

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“…Reverse dip-slip and vertical strike-slip, dextro-and sinistral-normal faults correspond to dry brittle tectonic features linkable to shortening and extensional tectonic regime ( Fig. 7; Piquer et al 2016;Sato 2016;Liu et al 2017;Labuza et al 2018). These are corroborated by multiple σ 1 , σ 2 and σ 3 principal stress axes for multiple origins and certainly.…”

Section: Discussionmentioning

confidence: 73%

“…Tension gashes, tension fractures, and faults oriented NE-SW, NNE-SSW, ENE-WSW, and E-W (Figs 2, 7a, b). This indicates both their anachronism and complicated nature (Angelier 1994;Piquer et al 2016;Sato 2016;Liu et al 2017;Labuza et al 2018). Tension gashes represent last magmatic events emplaced under extensional regime contrarily to tension fractures.…”

Section: Discussionmentioning

confidence: 99%

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The petrostructural characteristics and 207Pb/206Pb zircon data from the Ngomedzap-Akongo area (Nyong complex, SW-Cameroon)

Owona¹,

Ondoa²,

Tichomirowa³

et al. 2020

Jour. Geosci.

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Herein, we constrain the Ngomedzap-Akongo geodynamic evolution in the eastern part of the Nyong complex (NyC) in SW Cameroon that belongs to the Paleoproterozoic West Central African Fold Belt (WCAF) through petrostructural field observations, laboratory analyses, and 207 Pb/ 206 Pb zircon geochronology. It consists of magnetite bearing quartzite, metagranodiorite, metaanorthosite, metagabbro, and metasyenites that have recorded a polyphase D 1-D 3 deformation. D 1 , likely a pure shear-type, has been strongly overprinted by the D 2 transpression flow regime that emplaced the Nyong tectonic nappe, transported top-to the East onto the Congo shield. This nappe is dissected by D 3 blastomylonitic shear-zones. Both the D 2 and D 3 have controlled the actual geometry of the Nyong belt, later crosscut by D 4 multiple brittle tectonic styles, likely post-orogenic. Zircon geochronology yielded 207 Pb/ 206 Pb zircon geochronology protolith Archean mean ages of 2764 ± 26 Ma (MSWD = 0.81) in metagranodiorite; 2816 ± 34 Ma (MSWD = 1.3) and 2789 ± 13 Ma (MSWD = 0.28) in metasyenites. These new data corroborate old ones and, together, document the Archean origin of the NyC as details of the Nyong fold-and-thrust belts that of WCAFB and South American homologous due to the colliding Congo-San Francisco shields associated with Eburnean/Trans Amazonian orogeny (~2100-2050 Ma).

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Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 99%

The petrostructural characteristics and 207Pb/206Pb zircon data from the Ngomedzap-Akongo area (Nyong complex, SW-Cameroon)

Owona¹,

Ondoa²,

Tichomirowa³

et al. 2020

Jour. Geosci.

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“…The basement fault system belonging to the deep part of the study area mainly corresponds to a series of thrust and overthrust, and the Hong-Che Fault with obvious characteristics in the east is also a NS-trending high angle thrust fault (Yu et al, 2016;Liu et al, 2017). Judging by the thickness variation on the two sides of the thrust fault and the overlap relationship between the strata, two distinct events have been identified in the deep part.…”

Section: Fault Formation Mechanismmentioning

confidence: 98%

“…(Fig. 1) (Yu et al, 2016;Liu et al, 2017). Referring to the outline geographic map, it has intensively separated the western Chepaizi Uplift and the eastern Changji Sag, connecting with the Kebai-Wuxia Fault zone to the north.…”

Section: Deep Fault System 411 Hong-che Fault Zonementioning

confidence: 99%

“…And extension and displacement of most faults are smaller. Most of the studies on fault characteristics take advantage of the seismic profiles data (Cheng et al, 2015;Yu et al, 2016;Luo et al, 2017;Miao et al, 2017;Liu et al, 2017;Briki et al, 2018). However, the recognition about deep fault systems, such as the Permian faults, needs to be further refined because it was covered by thick lower sediments and structures that are currently inactive, together with the poor clarity, poor continuity and disorder reflection.…”

Section: Introductionmentioning

confidence: 99%

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Structural Evolution of Chepaizi Uplift and its Control on Stratigraphic Deposition in the Western Junggar Basin, China

Shi

Liu

et al. 2019

Acta Geologica Sinica (Eng)

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Geological mapping, interpreted cross sections, structural analyses and residual thickness maps were used to characterize the evolution of stress setting, structure and stratigraphic distribution of the Chepaizi Uplift, which is a NW-SE trending structure located in the Western Junggar Basin. The NS-trending faults show an important transpressional phase during the Late Permian, as demonstrated by tectonic stress field and stratigraphic thickness variations. A major compressional thrusting and strike-slip phase during the Late Jurassic created a series of NW-SE faults that originated by the large-scale uplift event in the Northern Tianshan. Faults were reactivated as thrust and dextral strike-slip faults. In addition, the angular unconformity observed between Jurassic and Cretaceous provide evidence of this tectonic event. Lots of normal faults indicate that the area records southward tilting and regional derived extensional stress that took place during the Neogene. Before that, thick Early Cenozoic strata are widely deposited. The balanced cross-section highlights the evolution of stress setting and stratigraphic distribution of the Chepaizi Uplift.

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Late Carboniferous seismic and volcanic record in the northwestern margin of the Junggar Basin: Implication for the tectonic setting of the West Junggar

Liu

Wang

et al. 2019

Gondwana Research

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Architecture of buried reverse fault zone in the sedimentary basin: A case study from the Hong-Che Fault Zone of the Junggar Basin

Cited by 22 publications

References 57 publications

The petrostructural characteristics and 207Pb/206Pb zircon data from the Ngomedzap-Akongo area (Nyong complex, SW-Cameroon)

The petrostructural characteristics and 207Pb/206Pb zircon data from the Ngomedzap-Akongo area (Nyong complex, SW-Cameroon)

Structural Evolution of Chepaizi Uplift and its Control on Stratigraphic Deposition in the Western Junggar Basin, China

Late Carboniferous seismic and volcanic record in the northwestern margin of the Junggar Basin: Implication for the tectonic setting of the West Junggar

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