has been in sedimentary rock, i.e. rock formed by com pressed layers of silt, mud, and other materials deposited by hydraulic action of swift moving water.
(i.e. rock; formed; by com pressed layers of silt, mud, and other materials) (other materials; deposited; by hydraulic action of swift moving water)
i.e. rock other materials
formed deposited
by com pressed layers of silt, mud, and other materials
by hydraulic action of swift moving water