Abstract

The well-known copper-molybdenum porphyry deposits of the Zangezur ore district are spatially associated with the uneven-aged intrusive rocks of the Meghri pluton. Less well known are studies on the distribution of rare earth elements in intrusive rocks. This article discusses the prospects for rare earth mineralization of iron-magnesian metamorphogenic-metasomatic rocks associated with the gabbro-monzonite complex of the Upper Oligocene. The new type of amphibolization of rocks of Meghri Pluton singled out by us, which results in the formation of amphibolic gabbro rocks, is interesting primarily because of the enrichment of the latter with rare-earth elements. Correlation with the zone of amphibolic gabbro rocks of heterogeneous metasomatites allows to consider the zone of amphibolic gabbro rocks as perspective for rare earth mineralization.

Keywords:Southern Armenia; Meghri pluton; Amphibolic gabbro; Rare earth mineralization