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    Foreland basins are important areas of exploration for petroleum in China.According to the basin construction and evolution,the foreland basins in central and western China can be divided into four types of assemblages including the presenile,the reconstructed,the regenerated and the superimposed.This paper discusses the geological conditions of accumulation,such as the assemblages of source rock,reservoir and seal,in different foreland basins based on the examples of northwestern Junggar foreland basin(the presenile),western Sichuan foreland basin(the reconstructed),northern Chaidamu foreland thrust(the regenerated) and southern Junggar foreland basin(the superimposed).The thermal evolutions of main source rocks are stated in the four types of foreland basins.The foreland development in the late period of Himalayan movement has an obvious control on the thermal evolution of source rocks in the Chaidamu foreland thrust(the regenerated) and southern Junggar foreland basin(the superimposed).
    Hydrocarbon exploration
    Citations (2)
    This chapter contains sections titled: Introduction Basic concepts Geological setting and stratigraphy of Amazonian foreland basin deposits Cenozoic sedimentary evolution of the Colombian foreland basin system Cenozoic sedimentary evolution of the Ecuadorian foreland basin system Cenozoic sedimentary evolution of the Peruvian and northern Bolivian foreland basin system Neogene(?) to Present Sedimentation rates Discussion Acknowledgments Conclusions References
    Neogene
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    By systemic study the alluvial-proluvial fan of Bauxite series,Jiujialu formation in middle Guizhou,it′s thought that this sediment is the continental deposit accumulated by the alluvial-proluvial process and lake process in the negative relief.The alluvial-proluvial fan is a normal kind of sediment of the alluvial-proluvial facies.Most of the big scale alumina deposit in the central Guizhou formed of the scalloped and sheetlike.
    Alluvial fan
    Alluvial plain
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    Abstract Stratigraphic Evolution of Foreland Basins - A strong case can be made that foreland basins are where the casual links between sedimentation and tectonic events were first recognized, as evidenced by the interpretations of geologists working in classic foreland areas. This Special Publication was derived from a Research Symposium entitled ?Stratigraphic Sequences in Foreland Basins ?held at the AAPG-SEPM joint annual meeting on June, 1992, in Calgary, Alberta, Canada. This volume provides a well-balanced perspective of current research on foreland basin stratigraphy and also serves as another element in the evolving framework that comprises our understanding of foreland basins. Given that so many of earth?s resources are found in foreland basins and that foreland basin strata often provide the only preserved record of the tectonic events that led to basin development, the impetus for continued studies of foreland basin strata should remain for many generations of geologists to come.
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    This chapter contains sections titled: Introduction: dryland alluvial fans – an overview Process and form on dryland alluvial fans Factors controlling alluvial fan dynamics Alluvial fan dynamics Discussion: significance of dry-region alluvial fans Acknowledgements References
    Alluvial fan
    Alluvial plain
    Alluvial soils
    Citations (60)