Abstract
Huayuan lead-zinc ore field in Zhangjiajie of western Hunan, is a large-sized, and the ore bodies algal limestones the margin of the shallow platform in the lower part of the Early Cambrian Qingxudong Formation. The authors expounded the ore-hosting lithology, sedimentary environment and petrographic evolution of Huayuan lead-zinc ore field. According to the metallogenic characteristics of the Huayuan lead-zinc ore field, the formation and evolution of the ore field is divided into the First construction (geological processes), the secondary construction (lithofacies characteristics) and the third-level construction (basic rock unit).
Highlights
The prospective reserves of MVT Lead - Zinc Ore Field in Zhangjiajie of Western Hunan have more than 10 million tons in China
The tectonic-sedimentary environment is a kind of self-generated carbonates in the shallow margin of the Middle-Cambrian
The Huayuan lead-zinc ore field is located on both sides of the Huayuan-Chaodong fault belt, and the ore-bearing structure is mainly NNE and NE-trending gentle short axis anticline and geological vault in the south-east of the fault zone
Summary
The prospective reserves of MVT Lead - Zinc Ore Field in Zhangjiajie of Western Hunan have more than 10 million tons in China. The tectonic position is the junction of the upper Yangtze platform fold belt and the south Tielong two Tertiary tectonic units on the southeastern margin of the Yangtze block (Ren, 1990) (Fig. 1A). The ore field is located in the north-eastern section of the Xiangqian Pb-Zn metallogenic belts. The ore deposits are located on both sides of the Huayuan-Chaodong fault zone, and on the northwest side of the fault zone deposits are less, the southeastern side is more. For this reason, author uniquely based on the analysis of construction to discusses the metallogenic feature of ore field (Lv, 2015; Sakya, 1986; Kubrat, 1989). The predecessors have made deep researches on them in many aspects (Zhou, 2011; Liu, 2000; Yang, 2007; Xia, 2010; Feng, 2001)
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