what causes the convection currents in the mantle
Convection Currents in Earth. In Earthâs mantle, large amounts of heat are transferred by convection currents, as shown in Figure 10. Heat from the core and the mantle itself causes convection currents in the mantle. Mantle Convection. d. Figure 10Mantle Convection Most geologists think that convection currents rise and sink through the mantle.