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Article Navigation >  Acta Sedimentologica Sinica  > 2019  >  37(4): 690-701

HU YaZhou, NIU YongBin, CUI ShengLi, DONG XiaoBo. Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province[J]. Acta Sedimentologica Sinica, 2019, 37(4): 690-701. doi: 10.14027/j.issn.1000-0550.2018.172
Citation: HU YaZhou, NIU YongBin, CUI ShengLi, DONG XiaoBo. Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province[J]. Acta Sedimentologica Sinica, 2019, 37(4): 690-701. doi: 10.14027/j.issn.1000-0550.2018.172
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Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province

doi: 10.14027/j.issn.1000-0550.2018.172
  • 1.

    Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan 454003, China;

  • 2.

    Department of Geology, Northwest University, Xi'an 710069, China;

  • 3.

    Key Laboratory of Biogenic Traces and Sedimentary Minerals of Henan Province, Jiaozuo, Henan 454003, China

Funds:  National Natural Sci-ence Foundation of China, No.41102076, 41472104; The Program for Innovative Research Team (in Science and Technology) in University of Henan Province, No. 17IRTSTHN025
  • Received Date: 2018-07-26
  • Rev Recd Date: 2018-09-25
  • Publish Date: 2019-08-10
  • Numerous burrows occur in the third member of the Ordovician Majiagou Formation in western Henan Province. A study of the filling characteristics of burrows and the evolution of burrow-mediated pores was conducted on burrow-fills in the research area,based on the observation of outcrops together with polarizing optical microscope, cathodoluminescence microscope and scanning electron microscope. The results showed that macro-scale selective dissolution occurred in four stages. (1) Burrows are almost all either fully filled or semi-filled,mostly with calcite or dolomite;occasional burrows are unfilled. (2) Burrow-mediated pores occur commonly,consisting of dissolution pores and micro-cracks,mainly around the burrow boundary. (3) Burrow-mediated pores were controlled by burial dolomitization and dissolution in the early Hercynian cycle and Indo-Chinese epoch. Most of the dissolution pores were formed in the Hercynian period. (4) Burrow-mediated selective dissolution depends on the degree of crystalliza-tion of the dolomite in the burrow-fills. Micro-dissolution pore formation is influenced by the presence of fluids.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Publishing history
  • Received:  2018-07-26
  • Revised:  2018-09-25
  • Published:  2019-08-10

Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province

doi: 10.14027/j.issn.1000-0550.2018.172
  • 1. Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan 454003, China;
  • 2. Department of Geology, Northwest University, Xi'an 710069, China;
  • 3. Key Laboratory of Biogenic Traces and Sedimentary Minerals of Henan Province, Jiaozuo, Henan 454003, China
Funds:  National Natural Sci-ence Foundation of China, No.41102076, 41472104; The Program for Innovative Research Team (in Science and Technology) in University of Henan Province, No. 17IRTSTHN025
  • Received Date: 2018-07-26
  • Rev Recd Date: 2018-09-25
  • Publish Date: 2019-08-10

Abstract: Numerous burrows occur in the third member of the Ordovician Majiagou Formation in western Henan Province. A study of the filling characteristics of burrows and the evolution of burrow-mediated pores was conducted on burrow-fills in the research area,based on the observation of outcrops together with polarizing optical microscope, cathodoluminescence microscope and scanning electron microscope. The results showed that macro-scale selective dissolution occurred in four stages. (1) Burrows are almost all either fully filled or semi-filled,mostly with calcite or dolomite;occasional burrows are unfilled. (2) Burrow-mediated pores occur commonly,consisting of dissolution pores and micro-cracks,mainly around the burrow boundary. (3) Burrow-mediated pores were controlled by burial dolomitization and dissolution in the early Hercynian cycle and Indo-Chinese epoch. Most of the dissolution pores were formed in the Hercynian period. (4) Burrow-mediated selective dissolution depends on the degree of crystalliza-tion of the dolomite in the burrow-fills. Micro-dissolution pore formation is influenced by the presence of fluids.

HU YaZhou, NIU YongBin, CUI ShengLi, DONG XiaoBo. Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province[J]. Acta Sedimentologica Sinica, 2019, 37(4): 690-701. doi: 10.14027/j.issn.1000-0550.2018.172
Citation: HU YaZhou, NIU YongBin, CUI ShengLi, DONG XiaoBo. Characteristics of Filled Burrows in Carbonates and the Evolution of Burrow-mediated Pores: A case study from the third member of the Ordovician Majiagou Formation, western Henan province[J]. Acta Sedimentologica Sinica, 2019, 37(4): 690-701. doi: 10.14027/j.issn.1000-0550.2018.172
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