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JIN Hui juan, LI Yu ci. A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt[J]. Acta Sedimentologica Sinica, 2001, 19(3): 321-326.
Citation: JIN Hui juan, LI Yu ci. A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt[J]. Acta Sedimentologica Sinica, 2001, 19(3): 321-326.
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A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt

  • Lanzhou Institute of Geology, Chinese Academy of Sciences,Lanzhon 730000

  • Received Date: 2001-01-02
  • Rev Recd Date: 2001-01-02
  • Publish Date: 2001-09-10
  • The main point of views in the paper are 1) the Middle Triassic in the studied area is very thick flysch facies with various characteristics of deep water mass flow sediments dominated by turbidites, 2) the size and thickness of the very thick flysch facies become coarse and thick upward, constituting a whole progressive sequence, 3) besides mass flow sediments, deep water drag flow sediments associated with turbidites were also found, e.g., contourites, and inner wave and inner tide sediments with diversified sedimentary structures, e.g., different types and scales of cross bedings showing water flow waves ripples on sedimentary bed surfaces with different characteristics, 4)if there are coarse sized channel sediments and regularities of vertical sequences and characteristics of ancient flows and rich facies types, the flysch facies are considered to be controlled by deep-sea fan sedimentary facies, 5) compared with the submarine fans developed on the passive and active margins of the plates the submarine fan is considered as an immature one.
  • [1] 1.Mutti E;Ricci-Lucchi F Turbidites of the morthern Apennines:Intro-duction of facies analysis(English translstion, 1978) 1972

    2.Piclkering K T;StowDAV;Waton MP Deep-water facies,processes and models:a review and classification scheme for modera and arcient sediments 1986(02)

    3.Stow D A V Deep-Sea Clastics: Where are we and where are going 1985

    4.Nilson C H;Baraga J;Maldonado A Mediterranean undercurrent sandy contourites, Gulf of Cadig Spain[J] 1993

    5.Walker R G Deposition of upper Mesozoic resedimented conglomerates and associated turbidites insouthwestern oregen 1977

    6.晋慧娟;李育慈西秦岭北带泥盆系舒家坝组深海陆源碎屑沉积序列的研究 1996(01)

    7.Shanmugam G;Molola RJ;Mcpherson J C Comparison of tur-bidite facies assocications in modem passive-marg Mississippi fan with ancient active-margin fans 1988本文
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  • Received:  2001-01-02
  • Revised:  2001-01-02
  • Published:  2001-09-10

A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt

  • Lanzhou Institute of Geology, Chinese Academy of Sciences,Lanzhon 730000
  • Received Date: 2001-01-02
  • Rev Recd Date: 2001-01-02
  • Publish Date: 2001-09-10

Abstract: The main point of views in the paper are 1) the Middle Triassic in the studied area is very thick flysch facies with various characteristics of deep water mass flow sediments dominated by turbidites, 2) the size and thickness of the very thick flysch facies become coarse and thick upward, constituting a whole progressive sequence, 3) besides mass flow sediments, deep water drag flow sediments associated with turbidites were also found, e.g., contourites, and inner wave and inner tide sediments with diversified sedimentary structures, e.g., different types and scales of cross bedings showing water flow waves ripples on sedimentary bed surfaces with different characteristics, 4)if there are coarse sized channel sediments and regularities of vertical sequences and characteristics of ancient flows and rich facies types, the flysch facies are considered to be controlled by deep-sea fan sedimentary facies, 5) compared with the submarine fans developed on the passive and active margins of the plates the submarine fan is considered as an immature one.

JIN Hui juan, LI Yu ci. A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt[J]. Acta Sedimentologica Sinica, 2001, 19(3): 321-326.
Citation: JIN Hui juan, LI Yu ci. A Study on Middle Triassic Flysch Facies in West Qinling Orogenic Belt[J]. Acta Sedimentologica Sinica, 2001, 19(3): 321-326.
shu

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