Abstract
Based on the results of a study of the porous carbonate rocks in the Jinping area conducted from 2004 to 2019, we developed a research algorithm to analyze polarized images of these rocks and compared the porosity magnification of these polarized images. We obtained the current karst development rate by combining the historical karst development rate with the porosity magnification. To verify the accuracy of the image analysis results, we used the traditional carbonate rock research method (TCRM) to conduct a laboratory simulation experiment on carbonate rocks.If the difference between the two sets of results was within \(\pm 5\%\), the two were considered to be consistent. Based on the image analysis results and laboratory simulation experiments, the karst development rate was verified, and the causes of the changes in the porosity were investigated. According to the experimental results, the pore sizes of the carbonate rocks collected from the same area during different periods changed significantly. We found that the karst development rate of the carbonate rock formations in the Jinping area has accelerated.
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We thank Accdon (www.accdon.com) for its linguistic assistance during the preparation of this manuscript.
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Kuang, H., Wang, P., Ai, X. et al. Study of the karst development rate of the Jinping porous carbonate rock formation based on porosity analysis of rock images. Carbonates Evaporites 37, 55 (2022). https://doi.org/10.1007/s13146-022-00801-5
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DOI: https://doi.org/10.1007/s13146-022-00801-5