摘要
本文以中国山东省济南—淄博地区为例,根据理论分析、溶蚀实验、光学及电子显微镜的观察和野外工作,提出了碳酸盐岩断层岩的四种溶蚀机理。它们是:1.粘滑溶蚀作用:2.微观形变溶蚀作用:3.断裂活性热水溶蚀作用:4.压溶溶蚀作用。当调查碳酸盐岩区断裂的水文地质性质时,这些机理和断层岩的可溶性提示我们去考虑断层岩的岩溶化作用。方法是:1.断裂带中断层岩的划分:2.查清断裂带中的断层岩的组合及裂隙发育:3.研究碳酸盐岩断层岩的岩性:4.分析岩溶发育的其它条件。
Taking the Jinan-Zibo area of Shandong Province as an example: four corrosional mechanisms of carbonate fault rocks are proposed based on the theoretical analysis, corrosion test, observation under optic and electronic microscope and field work. They are : 1 . Viscous slip corrosion; 2. corrosion caused by micro-deformation 3. corrosion caused by activated geothermal water along fault; and 4 . corrosion in solution under pressure. Those mechanisms and the solubility of the fault rocks require us to take into account the karstification of the fault rocks during the investigation on the hydrogeologic nature of a fault in carbonate rock region. We have made an approach by 1 . identifying fault rocks in fault belt; 2. investigating the association of fault rocks and the development of fractures in fault zone; 3. studying the petrologic characteristics of carbonate fault rocks; and 4 . analysing other conditions for karst development.
出处
《中国岩溶》
CAS
CSCD
北大核心
1989年第2期163-176,共14页
Carsologica Sinica
