Ore and ore resource prospects of the Jiama-Qulong ore concentration area, Tibet
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Abstract
Abstract: The Jiama-Qulong ore concentration area, Tibet, 124km long and 69 km wide, is located in the east-central part of the Mid-Late Jurassic-Paleogene Gangdise continental-margin volcanic-magma arc. Through recent geological survey, mineral exploration and ore deposit study, the authors found several ore concentration areas in the Gangdise continental-margin volcanic-magma arc, of which the Jiama-Qulong ore concentration area is one of the important copper polymetallic ore concentration areas in the arc. The deposits of this area are represented by the large Jiama-Qulong copper polymetallic ore deposit which is being exploited. In addition, they also found a number of very promising deposits and mineralization occurrences such as Oulong South, Oulong North, Dirima, Songduoxiong, Lakang'e and Xiangbeishan. They are characterized by unique mineralization types and a variety of genetic types, suggesting that they are products of different stages of evolution of the Gangdise continental-margin volcanic-magma arc. These different types of deposit are concentrated in a certain areal extent and have primarily shown and formed an important ore concentration area with great ore potential and a certain ore prospect in the Gangdise continental-margin volcanic-magma arc. The authors believe that through further work this area is expected to become another nonferrous mineral resource base in western China.
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