Abstract
The interrelations of gold-quartz and antimony mineralization in long-living tectonic zones of the Maltan deposit (Northeast Russia) have been examined. It has been demonstrated that the orogenic gold-quartz mineralization is confined to interlayered lengthwise thrusts, splay fault zones, and quartz veins and threads. The antimony mineralization, as the gold one, developed within the same structures during secondary reactivation in strike-slip tectonic stress fields. Index microstructure markers that were formed in antimony ores and the host rocks typical for multistage deformation processes have been described. The mineral associations and typomorphic features of the minerals of the gold and antimony ore-forming stages have been studied. The Maltan deposit was found to be similar to the typical large Au-Sb Sarylakh deposit of the Adycha-Taryn zone. The voluminous and extensive effect of the mineral-forming fluid of the antimony oregenerating stage on the early mineral matrix of low-sulphide gold-quartz paragenesis has been demonstrated.
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Original Russian Text © V.Yu. Fridovsky, G.N. Gamyanin, L.I. Polufuntikova, 2014, published in Tikhookeanskaya Geologiya, 2014, Vol. 33, No. 4, pp. 50–62.
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Fridovsky, V.Y., Gamyanin, G.N. & Polufuntikova, L.I. Gold-quartz and antimony mineralization in the Maltan deposit in Northeast Russia. Russ. J. of Pac. Geol. 8, 276–287 (2014). https://doi.org/10.1134/S1819714014040034
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DOI: https://doi.org/10.1134/S1819714014040034