墨西哥纳亚里特州La Yesca锰银多金属矿床地质特征及找矿远景

doi:10.13686/j.cnki.dzyzy.2021.04.005

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Abstract La Yesca silver polymetallic deposit, located in the southeast of Madrid orogenic belt in Nayarit, Mexico, is a large Mn-Ag polymetallic deposit discovered in recent years. The deposit is occurred in the Cenozoic acid intermediate-intermediate pyroclastic rock formation, with shape, scale and occurrence of orebodies strictly controlled by Cenozoic magmatism and NW-trending faults. Three comprehensive anomalies are delineated by stream sediment survey, from two of which, industrial ore bodies are found by surface trenching and drilling verification. Through analysis of regional geological background, geological characteristics and ore-controlling factors of deposit, it is considered that the deposit is an epithermal Ag-Mn polymetallic one related to Cenozoic volcanic activity, and there is still great prospecting potential in the deep and periphery of the deposit, with the possibility of finding super-large epithermal Ag polymetallic deposit.

Key words： geological characteristics ore-controlling factor prospecting indicator Ag-Mn polymetallic deposit La Yesca Mexico

Received: 09 October 2020

PACS:	P618.32
	P618.52

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	Articles by authors
	LIU Deng-feng
	BI Qi-zun
	HAN Tian-cheng
	WEI Yuan

Cite this article:

LIU Deng-feng,BI Qi-zun,HAN Tian-cheng等. GEOLOGICAL CHARACTERISTICS AND PROSPECTING POTENTIAL OF LA YESCA MANGANESE-SILVER POLYMETALLIC DEPOSIT IN NAYARIT, MEXICO[J]. GEOLOGY AND RESOURCES, 2021, 30(4): 443-449,442.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/10.13686/j.cnki.dzyzy.2021.04.005 OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2021/V30/I4/443

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