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甘肃敦煌五一山钒矿地质特征及成因
引用本文:张愿宁,张艳,赵志成,李浩宇,何彤彤. 甘肃敦煌五一山钒矿地质特征及成因[J]. 矿产勘查, 2020, 11(3): 496-502
作者姓名:张愿宁  张艳  赵志成  李浩宇  何彤彤
作者单位:甘肃省地质矿产开发局第三地质矿产勘查院,兰州 730050
基金项目:甘肃省地质勘查基金项目(编号:201502-D11、201601-D02、201701-D08、201801-D01)资助。
摘    要:甘肃敦煌寒武系下统黑色岩系分布广泛,成矿地质条件优越,是钼钒铀等矿产找矿的目标层。敦煌五一山钒矿产于寒武系双鹰山岩组的黑色岩系中,矿体严格受地层、褶皱及岩性三方面因素控制,呈层状产出,厚1. 06~10. 95 m,矿体长55~2530 m。通过对敦煌五一山钒矿矿床地层含矿性、控矿构造、矿体特征等地质特征的分析,初步总结了敦煌五一山钒矿床的矿产成因,认为区内钒矿体的形成既受寒武系双鹰山岩组这一稳定时序的控制,又与当时古地理和次深海区缺氧古气候沉积环境有关,属沉积变质成因矿床。

关 键 词:钒矿  地质特征  矿床成因  敦煌五一山  甘肃
收稿时间:2019-06-26

Geological characteristics and genesis of the Wuyishan vanadium deposit in Dunhuang,Gansu Province
ZHANG Yuanning,ZHANG Yan,ZHAO Zhicheng,LI Haoyu,HE Tongtong. Geological characteristics and genesis of the Wuyishan vanadium deposit in Dunhuang,Gansu Province[J]. Mineral Exploration, 2020, 11(3): 496-502
Authors:ZHANG Yuanning  ZHANG Yan  ZHAO Zhicheng  LI Haoyu  HE Tongtong
Affiliation:Third Geological and Mineral Exploration Institute of Gansu Province,Lanzhou 730050
Abstract:The Lower Saiwu Series black rock series in Dunhuang, Gansu Province, is widely distributed, has excellent metallogenic geological conditions and huge prospecting potential, and is the target stratum for geological prospecting. The Wuyishan vanadium deposit in Dunhuang occurs in the black rock series of the Shuangyingshan Formation of Cambrian, and the ore bodies are strictly stratified. The folding and lithology are controlled by three factors. They are layered, 1.06-10.95 M thick and 55-2530 M long.The geological characteristics of strata, ore-bearing property, ore-controlling folds and body characteristics of the Wuyishan deposit in Dunhuang mine are discussed. The mineral genesis of the deposit in Dunhuang is preliminarily summarized. It is believed that the formation of the ore bodies in the area is controlled by the stable time sequence of Shuangyingshan ruoyan formation of Cambrian, and is related to the paleogeography at that time and the anoxic paleoclimate and sedimentary environment in the sub-deep sea area. It belongs to the deposit of sedimentary metamorph.
Keywords:vanadium deposit geological characteristics  genesis of the deposit  Wuyishan  Dunhuang   Gansu Province
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