Abstract

The Uchaminsky ore cluster is located on the Pilda–Limuri watershed in the long-known gold-mining area of the Lower Amur region. It is shown that the distribution of polygenetic and polychronous Be–W–Au mineralization is associated with the northeastern left-lateral strike-slip ore-magmatic tension duplex that was developed in a transtensional regime under general submeridional compression (transpression). The structural, lithological, and magmatic features of the strike-slip duplex are favorable for searching for new large-volume stockwork gold deposits and ore bodies.

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