检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:高广立
出 处:《地球科学(中国地质大学学报)》1989年第5期545-551,共7页Earth Science-Journal of China University of Geosciences
摘 要:三叠纪末期以前,华北大陆与华南大陆之间隔着浩瀚的海洋,它隶属特提斯海域。从早三叠世后期至晚三叠世中期,自东向西陆续有蒸发岩沉积。这些蒸发岩在以后的地质历史中发生了复杂的变化,并且在含蒸发岩的碳酸盐岩地层中形成了许多盐类矿床及其它金属和非金属矿床。Before the end of Triassic, there was a vast expense of ocean subordinate to Tethys Sea between the North mainland and the South mainland of China. Evapo-rite sediments of the Late Lower Triassic to Middle Upper Triassic have formed in succession from east to west. Complicated changes have taken place in evaporite rocks in the later years. Yet, a series of nonmetallic and metallic deposits have formed in carbonate rocks bearing evaporite rocks.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.198