The grained Carbonate rocks of Qianjiang Formation in Qianjiang Sag can be divided into oolitic limestone, sand-clastic limestone, mud-crystalsand-clastic dolomite, alga-gobbet limestone etc.
潜江凹陷潜江组粒屑碳酸盐岩性主要发育鲕粒石灰岩、砂屑灰岩、泥晶砂屑云岩、藻团块灰岩等。
2
Its white sand beaches are bathed by crystal-clear turquoise waters and are a sanctuary for sea turtles.
白色的沙滩以及蓝绿色的海水很美，同时也是海龟的栖息地。
3
You're right. The Li River is crystal clear, and no matter how deep the water is you can see the bottom-the pebbles, sand and weeds clearly.