读下图回答下列问题: 从图中岩层形态看,A处地质构造为      

读下图回答下列问题:

从图中岩层形态看,A处地质构造为        ;从地形上看,A处为         ,其成因是                                           

图中B处地质构造为                 

图中①处岩石类型最有可能为                。若C处岩石中含有三叶虫化石,则可判断其形成时的地质年代为____                       

图中所示水循环类型为                 

答案

【小题1】向斜    山地   向斜槽部物质受挤压,物质变得坚实不易被侵蚀,反而变成山地(2分)

【小题2】断层

【小题3】岩浆岩或侵入岩    古生代

【小题4】海陆间循环


解析:

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