<Table> <Tr> <Th_colspan="2"> Depth </Th> <Th> Layer </Th> </Tr> <Tr> <Th> Kilometres </Th> <Th> Miles </Th> </Tr> <Tr> <Td> 0--60 </Td> <Td> 0--37 </Td> <Td> Lithosphere (locally varies between 5 and 200 km) </Td> </Tr> <Tr> <Td> 0--35 </Td> <Td> 0--22 </Td> <Td>... Crust (locally varies between 5 and 70 km) </Td> </Tr> <Tr> <Td> 35--60 </Td> <Td> 22--37 </Td> <Td>... Uppermost part of mantle </Td> </Tr> <Tr> <Td> 35--2,890 </Td> <Td> 22--1,790 </Td> <Td> Mantle </Td> </Tr> <Tr> <Td> 210 - 270 </Td> <Td> 130 - 168 </Td> <Td>... Upper mesosphere (upper mantle) </Td> </Tr> <Tr> <Td> 660--2,890 </Td> <Td> 410--1,790 </Td> <Td>... Lower mesosphere (lower mantle) </Td> </Tr> <Tr> <Td> 2,890--5,150 </Td> <Td> 1,790--3,160 </Td> <Td> Outer core </Td> </Tr> <Tr> <Td> 5,150--6,360 </Td> <Td> 3,160--3,954 </Td> <Td> Inner core </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Depth </Th> <Th> Layer </Th> </Tr> <Tr> <Th> Kilometres </Th> <Th> Miles </Th> </Tr> <Tr> <Td> 0--60 </Td> <Td> 0--37 </Td> <Td> Lithosphere (locally varies between 5 and 200 km) </Td> </Tr>

The internal and external structure of the earth