Supplemental material: Development of an igneous rock database with geologic functions: Application to Neogene bimodal igneous rocks and mineral resources in the Great Basin

Arctic Circle and its adjacent region(ACAR)contain various abundant mineral deposits and therefore its mining exploration and development has been concerned by the international mining society for a long time.During the past hundred years,the ACAR has been one of the most important metallic resource suppliers to USA,Canada,Russia and European Union.Metals are produced from active mines in all countries of ACAR except Iceland and related industries are thriving in all countries.Important metallic mineral deposit types include volcanic massive sulfide copper-polymetallic deposit,magmatic Ni,PGE,Cr,Ti±V deposits,structure-related gold deposit,intrusion-related copper and gold deposit and sedimentary lead-zinc deposits.Besides these well-documented deposits,new type of deposits are being explored,e.g.,iron oxide-copper-gold(IOCG)and shale-hosted Ni-Zn-Cu deposits.With the recently discoveries of several world-class metallic deposits and the re-open of a number of old mines,the regional metallogenic studies and mineral exploration of the region has attracted attention from the international geologists.To carry out the idea of types of mining markets and two kinds of mineral in China,the ACAR will be one of the best choices.Although the ACAR is still a frontier area with great challenge for exploration and mining,the present high activity of exploration indicates that this area has a very broad prospecting.For a clearly understanding the potential of mineral resources in the ACAR,the present mineral exploration situation and basic geological features of the important mineral deposits have been summarized.Meanwhile,the geological setting and exploration potential have been discussed in this paper.The purpose of this work is to fill the knowledge gaps of our understanding on the potential of mineral resources of the ACAR.To better find new mineral deposits in the ACAR,we need more detailed studies both on regional metallogeny and individual deposit.

Mineral exploration

Mineral resource classification

Prospecting

Metallogeny

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