河南省西簧钒矿岩石地球化学特征及矿床成因

doi:10.11720/wtyht.2020.1110

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Abstract

The Xihuang vanadium deposit is located in the black rock series of the lower Cambrian Shuigoukou Formation in southern Qinling Mountain. The orebody is large, and the ore-bearing horizon and grade are relatively stable. The ore types are mainly carbonaceous mudstone and siliceous mudstone. The analysis of petro-geochemical elements and REE indicates that the vanadium deposit was formed in the hypoxic reductive environment from the continental margin to the deep sea, and the rock material source came from sea water, hydrothermal jet and terrigenous debris, with the biological activity playing an important role in the aggregation and precipitation of the vanadium deposit. Based on the comprehensive geological and geochemical characteristics, it is concluded that the vanadium deposit belongs to the biogenesis of hot water deposition, and that the vanadium deposit should be of biological and hydrothermal sedimentary origin.

Key words： vanadium deposit geochemical characteristics genesis

Received: 04 March 2019 Published: 26 October 2020

:	P618.61
	P632

Corresponding Authors: WANG Jie E-mail: 43571649@qq.com;404817633@qq.com

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	Xiao-Gao WANG
	Ying-Chao WANG
	Bao-Cheng CHENG
	Yong-Qian YANG
	Jie WANG
	Peng CHEN

Cite this article:

Xiao-Gao WANG,Ying-Chao WANG,Bao-Cheng CHENG, et al. Rock geochemical characteristics and genesis of the Xihuang vanadium deposit in Henan Province[J]. Geophysical and Geochemical Exploration, 2020, 44(5): 1116-1124.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2020.1110 OR https://www.wutanyuhuatan.com/EN/Y2020/V44/I5/1116

The regional geologic structure(revised according to reference[10])

Geological sketch of the Xihuang vanadium deposit
1—Quaternary; 2—Ordovician second section in Bailongmiao formation; 3—Ordovician first section in Bailongmiao formation; 4—Cambrian Wugongya formation; 5—Cambrian second section in Yuejiaping formation; 6—Cambrian first section in Yuejiaping formation; 7—Cambrian Shuigoukou formation; 8—Sinian third section in Dengying formation; 9—Sinian second section in Dengying formation 2; 10—Sinian first section in Dengying formation; 11—Sinian Doushantuo formation; 12—upper rock formation of Mesoproterozoic Wudang group; 13—Sinian Fengzishan granodiorite; 14—diabase vein; 15—fault and its number; 16—ore body and number

Lithological feature of strata exposed in Xihuang district

The photograph of clay rocks(a) and siliceous rocks(b) under the microscope

Petrochemical analysis and related parameters of Xihuang vanadium deposit

REE analyses and relavent parameters in Xihuang area

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REE distribution patterns of ores in Xihuangvandium deposit(modified from Sun et al^[24])

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w(La)/w(Yb)-w(REE) diagram for the Xihuang formation black rock series (modified from Allegre et al^[26])

The genetic model of vanadium deposit

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