| 渭北东部岩溶发育的规律性探讨 |
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| 引用本文： | 赵永寿.渭北东部岩溶发育的规律性探讨[J].陕西地质,1993(1). |
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| 作者姓名： | 赵永寿 |
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| 作者单位： | 陕西省地质矿产局第二水文地质工程地质队 渭南市韩马村，714000 |
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| 摘 要： | 本文通过阐述渭北东部奥陶系碳酸盐岩地层的埋藏条件及岩溶发育的形态特征,探讨了区内岩溶发育的控制性因素及其规律性。指出了岩溶的发育受控于可溶岩层的岩性组合特征,地质构造是主导控制因素,酸性水的溶蚀作用及混合溶蚀作用是溶蚀作用进行的主要方式,在煤矿床分布区及傍河地段尤为突出。其发育具有水平方向上西弱东强、地垒部位强、地堑部位弱的特征;垂直方向上,随着岩溶层埋藏深度的增大,岩溶发育逐渐减弱,较集中地发育于灰岩顶面以下100m 范围内,其高程区间为+380—+50m。
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| 关 键 词： | 岩溶 控制因素 发育规律性 渭北东部 |
A Discussion on the Regularity of karst development in eastern Weibei |
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| Zhao Yongshou.A Discussion on the Regularity of karst development in eastern Weibei[J].Geology of Shaanxi,1993(1). |
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| Authors: | Zhao Yongshou |
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| Abstract: | The controlling factor of karst development and their regularity have been probed into by expounding buried condition of the Carbonate rock strata in Ordovican System and the form character of karst development in eastern Weibei.It is suggested that development of the karst is controled by assemblage characteristics of soluble rock strata.The main factor controlling karst development is geological structure,and dissolution of acid water and mix- ture dissolution are main mean of dissolution,which is very outsdanding in the distribution area of the coal mine and by the river region.The karst development is characterized of hori- zontal weak in the west and of strong in the east as well as strong in horst,weak in graben. The more buried degree of depth of karst strata,the more weak of karst development,and karst concentratse in the range of one hundred meters below the top of the limestone,the ele- vation in the range of 380 meters to 50 meters |
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| Keywords: | karst controlling factor development regularuty eastern Weibei |
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