Abstract
A reliable criterion of quartz genesis is proved to be ratios of the concentrations of structural defects in this mineral, which are a function of its structural dynamic state. Within the scope of the theory of sparring defects, theoretical dependences were derived for concentrations of various minor components accommodated in the quartz structure during two stages of isomorphism. It was determined that structurally dynamic equilibrium may be established in quartz with time and this equilibrium “obliterates” genetic information on the crystallization conditions. The conclusions obtained in this research are confirmed by data on pervasively occurring relations between the distributions of isomorphous components in quartz samples from rare-metal deposits of various genetic types.
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