Research
(1) Petrology and geochemistry of mantle peridotites, basalts and basaltic rocks, granites and granitoid rocks, high- and ultra-high-pressure metamorphic rocks and ore deposits; (2) Ocean ridge magmatism, intraplate magmatism, subduction-zone processes, magmatism associated with continental collision and continental crust accretion; (3) Causes and effects of seafloor subduction and global tectonics, chemical geodynamics and mantle circulation; (4) Elemental and isotope geochemistry, geochronology and geological applications.