volcanic-sedimentary rock造句

• Santanghu basin , located in the edge of the southern siberian plate , has the double basements of the pre - cambrian crystalline basement and the palezoic metamorphic basement of volcanic - sedimentary rocks
  三塘湖盆地位于西伯利亚板块南缘，具有前寒武纪结晶基底和古生代火山岩-碎屑岩褶皱基底组成的双重基底。