Geochemical and geophysical constraints on the nature of mantle convection Mukhopadhyay, S. ; Gonnermann, H. ; O'Connell, R. J. ; Dziewonski, A. ; van der Hilst, R. D. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: June 2009 Bibcode: 2009GeCAS..73Q.913M