| Citation: |
Li-hong Liu, Chun-lian Wang, Xing-min Zhao, 2019. First report of TSR origin minerals filled in anhydrite dissolved pores in southeastern Ordos Basin, China Geology, 2, 245-247. doi: 10.31035/cg2018104
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First report of TSR origin minerals filled in anhydrite dissolved pores in southeastern Ordos Basin
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References
[1] Huang SJ, Huang KK, Zhang XH, Liu LH, Zhong QQ. 2009. Chemical thermodynamics foundation of retrograde solubility for carbonate: solution media related to CO2. Journal of Chengdu University of Technology, 36(5), 457–464. [2] Ren ZL, Yu Q, Cui JP, Qi K, Chen ZJ, Cao ZP, Yang P. 2017. Thermal history and its controls on oil and gas of the Ordos Basin. Earth Science Frontiers, 24(3), 137–148. [3] Zhang JT, Jin XH, Li SJ, Li W, Sun YP. 2016. Types and origin of pore-fillings from the 5th member of the Ordovician Majiagou Formation in Ordos Basin. Oil & Gas Geology, 37(5), 684–690. -
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Li-hong Liu, Chun-lian Wang, Xing-min Zhao, 2019. First report of TSR origin minerals filled in anhydrite dissolved pores in southeastern Ordos Basin, China Geology, 2, 245-247. doi: 10.31035/cg2018104
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Figure 1.
Photomicrographs showing the minerals textures filled in anhydrite dissolved pores in Majiagou Formation of southeastern Ordos Basin. a,b– Calcite, dolomite and quartz mixture filled in anhydrite dissolved pores, Yican 1 well, 2641.4 m, member 1 of Majiagou Formation; c,d– Calcite, dolomite and quartz mixture filled in anhydrite dissolved pores, Yican 1 well, 2642 m, member 1of Majiagou Formation. Fluorescence photomicrograph of Fig. 1d showing finely crystalline dolomite with reservoir space in the bottom of anhydrite dissolved pores.
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Figure 2.
Burial history diagram of Yican 1 well in southeastern Ordos Basin (modified from Ren ZL et al., 2017).