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Emei La Fault

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(A) Tectonic framework of the Lhasa terrane and location of the Gangdese magmatic belt in the context of the southern Tibetan Plateau (Zhu et al., 2019), which is composed of, from north to south, the Songpan-Ganze, Qiangtang, Lhasa, and Tethyan Himalaya terranes. The extent of the Gangdese batholith and the exposure of the Linzizong Formation volcanic succession are from Chung et al. (2005). BNSZ—Bangong-Nujiang suture zone; IYTSZ—Indus–Yarlung Tsangpo suture zone; JSSZ—Jinsha suture zone; KF—Karakoram fault; LMF—Luobadui-Milashan fault; SGFC—Songpan-Ganze flysch complex. (B) Schematic tectonic map of the central-eastern Gangdese tectono-magmatic belt of the southern Lhasa terrane (modified from Yin et al., 1994; Kapp et al., 2007; Ma et al., 2017a), showing the Gangdese décollement, which is located to the south of the retro-arc fold-thrust belts (Emei La–Gulu-Hamu thrust) and to the north of the Gangdese thrust. QT—Qiangtang terrane; LS—Lhasa terrane; HM—Himalaya terrane; IDB—Indian block; GDS—Gangdese magmatic belt; ITS—Indus–Yarlung Tsangpo suture zone; MFT—Main Frontal thrust; RZT—Renbu-Zedong thrust; GCT—Great Counter thrust; GT—Gangdese thrust; SGT—Southern Gangdese thrust; ELGHT—Emei La–Gulu-Hamu thrust; GDSD—Gangdese décollement; SEGT—Southeastern Gangdese thrust.
Published: 20 April 2023
) Schematic tectonic map of the central-eastern Gangdese tectono-magmatic belt of the southern Lhasa terrane (modified from Yin et al., 1994 ; Kapp et al., 2007 ; Ma et al., 2017a ), showing the Gangdese décollement, which is located to the south of the retro-arc fold-thrust belts (Emei La–Gulu-Hamu thrust
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Simplified map indicating the location of the Northern Lhasaplano, together with the estimated N-S tectonic shortening (Murphy et al., 1997; Kapp et al., 2003, 2007a, 2007b; Volkmer et al., 2007, 2014) and the age of Late Cretaceous adakitic magmatism in central-northern Lhasa (Sun et al., 2015a and references therein). K1—Early Cretaceous; K2—Late Cretaceous; P—Paleogene; SGAT—Shiquanhe-Gaize-Amdo thrust belt; ET—Emei La thrust; ST—Shibaluo thrust; GLT—Gugu La thrust; GST—Gaize-Siling Co thrust; SNMZ—Shiquanhe-Nam Co Mélange zone; LMF—Luobadui-Milashan Fault.
Published: 10 April 2019
Lhasa ( Sun et al., 2015a and references therein). K1—Early Cretaceous; K2—Late Cretaceous; P—Paleogene; SGAT—Shiquanhe-Gaize-Amdo thrust belt; ET—Emei La thrust; ST—Shibaluo thrust; GLT—Gugu La thrust; GST—Gaize-Siling Co thrust; SNMZ—Shiquanhe-Nam Co Mélange zone; LMF—Luobadui-Milashan Fault.
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(A) Tectonic map of the Tibetan Plateau (modified after Zhu et al., 2011b and Wang et al., 2014). (B) Sketch geological map of the Lhasa block (modified after Pan et al., 2004 and Kapp et al., 2003). Previously studied sites of the Daxiong Formation in the Coqen basin (Sun et al., 2015a) and of the Jingzhushan Formation near Rutog (Li et al., 2014a) are shown. JSSZ—Jinsha suture zone; SNMZ—Shiquan River-Nam Co Mélange zone; LMF—Luobadui-Milashan Fault; SGAT—Shiquanhe-Gaize-Amdo thrust; GST—Gaize-Siling Co thrust; GLT—Gugu La thrust; ST—Shibaluo thrust; ET—Emei La thrust; MCT—Main Central thrust; MBT—Main Boundary thrust; THFT—Tethyan Himalaya fold-thrust belt; GCT—Great counter thrust; IYSZ—Indus-Yarlung Zangbo Suture zone; BNSZ—Bangong-Nujiang suture zone; GT—Gangdese thrust.
Published: 10 April 2019
al., 2015a ) and of the Jingzhushan Formation near Rutog ( Li et al., 2014a ) are shown. JSSZ—Jinsha suture zone; SNMZ—Shiquan River-Nam Co Mélange zone; LMF—Luobadui-Milashan Fault; SGAT—Shiquanhe-Gaize-Amdo thrust; GST—Gaize-Siling Co thrust; GLT—Gugu La thrust; ST—Shibaluo thrust; ET—Emei La
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(A) Simplified tectonic map of the Himalaya and Tibet showing major tectonic domains and suture zones (Pan et al., 2004).BNSZ—Bangong–Nujiang suture zone; IYZS—Indus–Yarlung–Zangbo suture; JSSZ—Jinshajiang suture zone; LMF—Luobadui–Milashan fault; JF—Jiali fault; KLF—Kunlun fault; KF—Karakoram fault; ALT—Altyn Tagh fault. (B) Simplified geological map of the Lhasa terrane, showing the studied sections (modified after Pan et al., 2004). GST—Gaize-Selin Co thrust; SGAT—Shiquan–Gaize–Amdo thrust; GLT—Gugu La thrust; ST—Shibaluo thrust; ET—Emei La thrust. Stratigraphic data from northern sections from Xu et al., (2020). (C) Cretaceous strata in the Northern Lhasa terrane. (D) Conformable contact between the Duoni and Langshan formations in the Geren Co area (GPS: 31°20′47.80″N; 88°11′36.81″E). (E) More close observation on conformable contact between the Duoni and Langshan formations in the Geren Co area. (F) Langshan Formation in the Geji section (GPS: 32°27′41.545″N; 80°54′56.108″E). (G) Langshan Formation in the Baoji section (GPS: 30°57′54.85″N; 90°19′33.83″E). (H) Langshan Formation in the Xiongmei section (GPS: 31°19′9.09″N; 88°51′22.38″E). Dip direction and dip angle of members 1, 2, and 3 are 200°/52°, 195°/55° and 195°/50°, respectively.
Published: 11 May 2021
—Karakoram fault; ALT—Altyn Tagh fault. (B) Simplified geological map of the Lhasa terrane, showing the studied sections (modified after Pan et al., 2004 ). GST—Gaize-Selin Co thrust; SGAT—Shiquan–Gaize–Amdo thrust; GLT—Gugu La thrust; ST—Shibaluo thrust; ET—Emei La thrust. Stratigraphic data from northern
Journal Article
Published: 05 June 2020
Geological Magazine (2021) 158 (2): 330–348.
... the inner belt to the outer belt of the active area of the Emei mantle plume, and the dolomitization was not strictly controlled by faults (Fig.  5 ). Fig. 5. Thickness map of the middle Permian dolomitized rocks in East Yunnan overlain by the upper Permian fault patterns (Luo et al. 1988 , 2012...
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Journal Article
Journal: GSA Bulletin
Published: 27 March 2025
GSA Bulletin (2025)
... of the Ginsburg MV and its reference core. outer ring faults is visible in seismic reflection profiles (see Initial Reports of the Ocean Drilling Program Leg 160; Emeis et al., 1996). The cores recovered from the two MVs consist of mud breccia, with no or thin hemipelagic deposits at the top (Fig. 2). The draping...
Journal Article
Journal: Geology
Published: 20 September 2021
Geology (2022) 50 (1): 42–47.
... in the rift between metamorphic highlands to the east and west. Magadi Trachyte (ca. 1.4–0.8 Ma) covers much of the rift floor, cut by rift-parallel faulting. Pliocene-Pleistocene volcanos are found throughout the region, mostly trachyandesitic to basaltic with a few carbonatites ( Baker and Mitchell, 1976...
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Journal Article
Published: 01 October 2014
Italian Journal of Geosciences (2014) 133 (3): 474–480.
... of turbidites and high-angle extensional faults have been observed and the construction of the magnetostratigraphic record was hindered by overprints that could not be removed ( E meis et alii , 1996 ). A total of 59 sapropel layers are present in the composite section of Site 964 ( S akamoto et alii , 1998...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1997
AAPG Bulletin (1997) 81 (4): 556–576.
... is an elongated, intramontane basin located between the Central and Eastern cordilleras ( Figures 1 , 2 ). The UMV is limited to the west by the westward-dipping Girardot and Chusma fault systems that separate the UMV from the crystalline rocks of the Central Cordillera. The invasion of the Cretaceous sea...
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Journal Article
Journal: Geosphere
Published: 20 April 2023
Geosphere (2023) 19 (3): 933–956.
...) Schematic tectonic map of the central-eastern Gangdese tectono-magmatic belt of the southern Lhasa terrane (modified from Yin et al., 1994 ; Kapp et al., 2007 ; Ma et al., 2017a ), showing the Gangdese décollement, which is located to the south of the retro-arc fold-thrust belts (Emei La–Gulu-Hamu thrust...
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Journal Article
Published: 30 August 2023
Petroleum Geoscience (2023) 29 (3): petgeo2023-017.
...Trevor Burchette; Gavrielle Groves-Gidney; Kul Karcz Abstract Interpretation of seismic data over the southeastern flank of the Eratosthenes High shows nine principal seismic stratigraphic units overlying probable faulted basement. Among these are three superposed carbonate platforms that build...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2024
AAPG Bulletin (2024) 108 (11): 2159–2188.
..., and its reactivation periods, near the Tailai gas field; and (4) characterize fault-related hydrocarbon accumulation processes in hydrothermal dolomite reservoirs. The REEY analyses were completed using laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) at Wuhan SampleSolution...
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Journal Article
Published: 03 June 2016
Journal of the Geological Society (2016) 173 (6): 933–948.
... history is not considered here). Pleistocene compression or transpression is locally documented by faults that cut Pliocene sediments ( McCay & Robertson 2012 b ). In addition, a small number of transverse fault planes within the Kyrenia Range are mantled by relatively immature scree talus...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2004
GSA Bulletin (2004) 116 (9-10): 1202–1222.
... by Murphy et al. (1997) , our conclusions are probably compatible with their geologic observations in southern Tibet on and to the south of this study area. According to the geometric relationships between thrust faults and magmatic rocks in Figure 2 of Murphy et al., the Emei La thrust system must have...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 2002
AAPG Bulletin (2002) 86 (7): 1165–1186.
... fraction is made of turbiditic sands, and a finer fraction is composed of hemipelagic clays ( Ryan et al., 1973 ; Hsu et al., 1978 ; Emeis et al., 1996 ). The Nile deep-sea fan is the largest sedimentary clastic accumulation within the Mediterranean Sea, and it lies in a complex geodynamic setting...
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Journal Article
Journal: AAPG Bulletin
Published: 15 July 2020
AAPG Bulletin (2020) 104 (7): 1405–1438.
... Permian Emei taphrogeny gradually reached a peak ( Z. Luo et al., 1988 ), leading to the massive eruption of basalts along the nearly east-west–trending basement fault belt and associated secondary faults ( C. Zhu et al., 2010 ). This event is thought to have been an important source of Permian...
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Journal Article
Published: 01 September 1990
Journal of the Geological Society (1990) 147 (5): 811–824.
... the Late Eocene. The termination of subduction during continental collision may have permitted thermal relaxation Fig. 11. Geological sketch map of the northeastern margin of the Tenda Massif showing the presence of en echelon folds in allochthonous units adjacent to a sinistral wrench fault. Legend: la...
Journal Article
Published: 16 September 2016
Petroleum Geoscience (2016) 22 (4): 340–356.
... topographical loading is absent, gliding may dominate, leading to the formation of predominantly margin-parallel normal faults and small diapirs (e.g. rollers) in proximal areas, and margin-parallel folds and thrusts further downdip (e.g. Cobbold & Szatmari 1991 ; Vendeville 2005 ; Loncke et al. 2006...
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Journal Article
Journal: GSA Bulletin
Published: 22 April 2024
GSA Bulletin (2024) 136 (11-12): 4671–4688.
... taphrogenesis (rifting) from the late Neoproterozoic to early Cambrian. The central Sichuan paleo-uplift was undergoing ENE extension, and preexisting ESE- and nearly E-W–striking faults were oblique to the ENE principal stress orientation. This led to a local stress field favoring dextral shear near fault...
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Journal Article
Published: 27 October 2017
Bulletin de la Société Géologique de France (2017) 188 (4): 21.
... measurements were conducted on a slab collected at the surface of the archive half core. The slabs were then regularly sampled to obtain isotopic data. * Corresponding author: e-mail: [email protected] La dégradation de la matière organique est le moteur de l'évolution biogéochimique des...
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