Origin of Pt, Pd, Au mineralization (orthomagmatic deposists)
Geochemistry of highly siderophile elements (Ru, Rh, Pd, Re, Os, Ir, Pt, Au) in magmatic systems
Geochemistry of metalloids (Se, As, Sb, Te, Bi) and implications for the occurrence of precious metal minerals (PMM)
Genesis of orthomagmatic and hydrothermal ore deposits
Behavior of sulfur in magmatic systems