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标题:Mesoproterozoic delta systems of the Açuruá Formation, Chapada Diamantina, Brazil
时间:2019-04-15 21:44:28
DOI:10.1016/j.precamres.2014.11.016
作者:A.J.C. Magalhães;C.M.S. Scherer;G.P. Raja Gabaglia;O. Catuneanu
出版源: 《Precambrian Research》 ,2015 ,257 :1-21
摘要:delta systems of the Açuruá Formation, Chapada Diamantina, BrazilMeso...tide-dominated braid delta systems in the Mesoproterozoic A莽uru谩 Formation...
大小:10035 kb
页数:22 PAGES
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目录:
  • Mesoproterozoic delta systems of the Açuruá Formation, Chapada Diamantina, Brazil
    • 1 Introduction
    • 2 Geological setting
    • 3 Methodology
    • 4 Facies analysis
      • 4.1 Massive sandstone (Sm)
        • 4.1.1 Description
        • 4.1.2 Interpretation
      • 4.2 Trough cross-bedded sandstone (St)
        • 4.2.1 Description
        • 4.2.2 Interpretation
      • 4.3 Horizontally to low-angle laminated sandstone (Sh)
        • 4.3.1 Description
        • 4.3.2 Interpretation
      • 4.4 Massive mudstone (Fm)
        • 4.4.1 Description
        • 4.4.2 Interpretation
      • 4.5 Laminated mudstone (Fl)
        • 4.5.1 Description
        • 4.5.2 Interpretation
      • 4.6 Mud clast-rich sandstone (Si)
        • 4.6.1 Description
        • 4.6.2 Interpretation
      • 4.7 Tidal bundled sandstone (Stt)
        • 4.7.1 Description
        • 4.7.2 Interpretation
      • 4.8 Ripple cross-laminated sandstone (Sr)
        • 4.8.1 Description
        • 4.8.2 Interpretation
      • 4.9 Planar cross-bedded sandstone (Sp)
        • 4.9.1 Description
        • 4.9.2 Interpretation
      • 4.10 Contorted sandstone (Sc)
        • 4.10.1 Description
        • 4.10.2 Interpretation
    • 5 Facies associations
      • 5.1 Prodelta to distal delta-front facies association (PD)
        • 5.1.1 Description
        • 5.1.2 Interpretation
      • 5.2 River-dominated delta-front facies association (RDF)
        • 5.2.1 Description
        • 5.2.2 Interpretation
      • 5.3 Tide-dominated delta-front facies association (TDF)
        • 5.3.1 Description
        • 5.3.2 Interpretation
      • 5.4 Distributary fluvial channel facies association (FCH)
        • 5.4.1 Description
        • 5.4.2 Interpretation
      • 5.5 Tide-influenced distributary fluvial channel facies association (TCH)
        • 5.5.1 Description
        • 5.5.2 Interpretation
      • 5.6 Floodplain facies association (FP)
        • 5.6.1 Description
        • 5.6.2 Interpretation
    • 6 Discussion
      • 6.1 River-dominated deltas
      • 6.2 Tide-dominated delta
      • 6.3 Stratigraphic framework
    • 7 Conclusions
    • Acknowledgments
    • References

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