对洛塔岩溶地貌及第四系发育史的一些不同看法

通过对洛塔地区的地质资料进行分析,对《洛塔岩溶及其水资源评价与利用研究》一书有关岩溶地貌发育史及第四系堆积物的部分探讨与论述提出不同看法,以地层14C同位素年龄测试数据及洛塔地区钟乳石铀系年龄测定结果为依据,将洛塔地区的亚不寺岩溶台面期及此后的河谷各亚期形成时间后推,同时指出洛塔宽谷并非书中认为的冰川成因,有关冰碛物实为古滑坡堆积物,亦是其堵塞河道造成古车水坪湖沼形成的原因。

Some Different Opinions on the Developing History of the Quaternary and the Luota Karst Physiognomy

This paper puts forwards some different opinions on the partial exploration and discussion on the deposits of the quaternary and the developing history of Karst physiognomy on the book of Resarch on the Evaluation And Utilization of Luota Karst and Its Water Resources through the analysis on the geological information on Luota area,advances the Abushi karst table period and the river valley sub periods according to the stratum 14C isotope aging data and the Uranium aging data of the stalactite in Luota area,and points out that the Luota dale is not the result of glacier movement as the book said,the morainal deposits in this area is in fact the ancient landslide deposits,and the build up riverway is also the formation cause of the ancient Shuiping lake.