WATER AND DIAMIOND FORMATION
Conditions of polymorphic carbon modification formation and existence in nature at certain water content are shown. Diamond and carbon may form if carbonaceous rocks are present in near-surface and surface reduction conditions at low partial oxygen pressure. Physical and chemical modeling established various factors affecting for- mation and evolution of minerals, mineral associations and fluid. These theoretical studies are based on modeling physical and chemical conditions and relations of components in complex systems at various thermodynamic pa- rameters combined with proper evaluation of solid composition and fluid regime as a whole.