types of biochemical sedimentary rocks
A sedimentary rock is an accumulation of fragments of pre-existing rocks (sediments). There are three types of sedimentary rocks; Clastic (detrital), Chemical, and Biochemical (organic) rocks. sedimentary rock is an accumulation of fragments of pre-existing rocks (sediments). There are three types of sedimentary rocks; Clastic (detrital), Chemical, and Biochemical (organic) rocks.