QI Yong-an, HU Bin. METER-SCALE CARBONATE CYCLES IN THE BACHU FORMATION OF THE LOWER CARBONIFEROUS IN THE TARIM BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2000, 22(2): 152-155. doi: 10.11781/sysydz200002152
Citation: QI Yong-an, HU Bin. METER-SCALE CARBONATE CYCLES IN THE BACHU FORMATION OF THE LOWER CARBONIFEROUS IN THE TARIM BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2000, 22(2): 152-155. doi: 10.11781/sysydz200002152

METER-SCALE CARBONATE CYCLES IN THE BACHU FORMATION OF THE LOWER CARBONIFEROUS IN THE TARIM BASIN

doi: 10.11781/sysydz200002152
  • Received Date: 1999-06-16
  • Rev Recd Date: 2000-02-16
  • Publish Date: 2000-04-25
  • Two kinds of meter-scale carbonate cycles are developed in the Bioclastic Limectone Member of the Bachu Formation in the Lower Carboniferous of the Tarim Basin,i.e. the intertidal-supratidal cycle and the subtidal-supratidal cycle.According to the characteristics of sedimentology and the analysis of the Fischer Plot, the cycles are formed in the upland system domain of the 3rd order sequence and controlled by Milankovitch-induced high-frequency sea-level fluctuation. The dolomitic limestone reservoirs developed with needlehole-like solution openings may be related to the short-term exposure of carbonate platforms caused by the high-frequency sea-level fluctuation.

     

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