Prospecting Direction and Geological Characteristics of the Jiwa Area, Nima County, Tibet

Abstract:

It is a low degree of geological studiedness in Jiwa area, the published synthesis and other reliable data is rare. By adopting similar analogy and comprehensive analysis methods, it found that the content is the highest about Au, As, Sb, Cu and W based on the relationship of the distribution of elements and time, this characteristic has reflected the evolution characteristics of carbonate in Palaeozoic in this area. The content is the highest about Pb, Zn, Ag and Cd in volcanic rock strata in Paleogene-Neogene, it reflected that the characteristic of elements associations related to intermediate-acidic volcanic activity. The content is the highest about Au, Ag and Sn in strata in Quaternary, which would forms gold deposits (spots), it reflected mainly the characteristic of elements mineral enrichment related with weathering origin in period. There are three minerals-ore combination types of wolframite-molybdenum-bismuthinite-chalcopyrite-pyrite quartz vein type, wolframite-molybdenum-bismuthinite-chalcopyrite-pyrite mica-quartz type, tungsten-molybden- limonite ores-oxidised type. Prospecting direction is Au-Pb-Zn hydrothermal filling type, the Cu deposit of sand-type and skarn-type copper polymetallic deposit. It has very important theory and real sense via scientific investigation of main geologic characteristics and metallogenic models research in Jiwa area.

• Periodical: Advanced Materials Research (Volumes 616-618)
• Pages: 73-79
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.616-618.73
• Online since: December 2012
• Authors: Jian Guo Wang
• Keywords: Geologic Characteristics, Jiwa, Prospecting Direction, Prospecting Methods

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