<Tr> <Td>> 8 </Td> <Td> <3.9 μm </Td> <Td> <0.00015 in </Td> <Td> Clay </Td> <Td> Mud </Td> </Tr> <Tr> <Td>> 10 </Td> <Td> <1 μm </Td> <Td> <0.000039 in </Td> <Td> Colloid </Td> <Td> Mud </Td> </Tr> <P> Composition of sediment can be measured in terms of: </P> <Ul> <Li> parent rock lithology </Li> <Li> mineral composition </Li> <Li> chemical make - up . </Li> </Ul>

Where is most of the sediment in a river eroded from