地质图例大全

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1、地质图例二00九年五月目录一、地质年代、符号..................................................................................................................................................................................................1（一）地层划分单位及地质年代单位.........................

2、......................................................................................................................................1二、地层简表（辽西地区）...............................................................................................................

3、.......................................................................2三、侵入岩年代符号（以花岗岩为例）..................................................................................................................................................................4四、岩石碎屑

4、及有关粒级花纹规格表......................................................................................................................................................................5五、岩石颜色...........................................................................

5、...................................................................................................................................6六、矿物名称和符号.....................................................................................................................

6、.............................................................................8七、岩性花纹..............................................................................................................................................................................

7、..............................17（一）沉积岩.....................................................................................................................................................................................................17（二）侵入岩...............

8、......................................................................................................................................................................................20（三）喷出岩....