Digitalcracy

Q.Describe the characteristics of different types of pelagic deposits (10/15 ). Q.Write short note on oceanic deposits (10/15). Q.Write short note: pelagic deposits ( 20/04) Q.Discuss the different bases for classifying the ocean deposits and give a detailed    account of pelagic deposits of the ocean.(60/07) It refers to unconsolidated sediments derived from various sources deposited at the seafloor. TYPES(Based on sources) 1.Terrigenous Materials Gravel Sand   Silt   Clay   Mud: Murray divided it into 3 based on color Blue Mud:Includes the materials derived from the disintegration of Rock rich in iron sulphide and organic matter. Predominantly present in Atlantic Ocean, Mediterranean sea and Arctic sea. Red mud:Includes material derived from rocks rich in iron oxide s;confined mostly to yellow sea, brazilian coast and floors of the Atlantic Ocean. Green mud: It is formed from the Blue mud due to chemic...