辽宁省北二十家子铜金矿地质特征与成矿预测

doi:10.13686/j.cnki.dzyzy.2022.01.004

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Abstract The Beiershijiazi Cu-Au deposit in Liaoning Province is located in Chaoyang-Chifeng gold metallogenic belt on the northern margin of North China Platform, where quite a few Cu-Au ore/mineralized occurrences of altered rock type are controlled by NW- and NE-trending faults. Three types of soil geochemical anomalies were delineated by soil geochemical survey, including 4 of I-type, 8 of II-type and 16 of III-type. Geophysical exploration is carried out in the areas with well geochemical anomalies, among which the high resistivity area of geophysical exploration coincides with the I-type anomaly area of geochemical exploration, and 3 anomaly areas and 4 deep targets are delineated by IP intermediate gradient and IP sounding. Based on the geological, geophysical and geochemical characteristics of the area, it is considered that the development of hydrothermal alteration mineral assemblages such as silicification, pyritization and chalcopyritization are key prospecting indicators of petromineralogy. The contact zone of Paleoproterozoic Baoyintu Group strata and granitic gneiss, NW- and NE-trending tectono-altered fracture zones, and high-sulfide areas are important prospecting targets.

Key words： copper-gold deposit alteration pedogeochemistry IP intermediate gradient IP sounding Liaoning Province

Received: 20 August 2020

PACS:

P618.51

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	Articles by authors
	GUO Xiao-dan
	PENG Hu
	WANG Lin-shi
	GUO Ya-bo
	ZHANG Song
	LI Wei-ya

Cite this article:

GUO Xiao-dan,PENG Hu,WANG Lin-shi等. GEOLOGICAL CHARACTERISTICS AND METALLOGENIC PREDICTION OF BEIERSHIJIAZI COPPER-GOLD DEPOSIT IN LIAONING PROVINCE[J]. GEOLOGY AND RESOURCES, 2022, 31(1): 28-37.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/10.13686/j.cnki.dzyzy.2022.01.004 OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2022/V31/I1/28

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