|Table of Contents|

Potential and Geophysical Prospecting Direction of Pb-Zn Mineral Resources in the Deep Area of Fengtai Ore-gathering Area, Shaanxi, China(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2020年第06期
Page:
801-818
Research Field:
电磁法勘探专辑
Publishing date:

Info

Title:
Potential and Geophysical Prospecting Direction of Pb-Zn Mineral Resources in the Deep Area of Fengtai Ore-gathering Area, Shaanxi, China
Author(s):
WANG Bei-zhan1;  WANG Rui-ting2; 3*;  WANG Hong-yu1;  ZHANG Ge-li4;  LI Qing-feng2
1. Xi'an Northwest Non-ferrous Geophysical and Chemical Exploration Group Co., Ltd., Xi'an 710068, Shaanxi, China; 2. Northwest Nonferrous Geological and Mining Group Co., Ltd., Xi'an 710054, Shaanxi, China; 3. School of Earth Science and Resources, Chang'an University, Xi'an 710054, Shaanxi, China; 4. Baoji No.717 Corps Limited of Northwest Nonferrous Geological and Mining Group, Baoji 721015, Shaanxi, China
Keywords:
resource potential;  exploration direction;  geophysical exploration;  WFEM;  TEM;  SOTEM;  Guchahe syncline;  Fengtai ore-gathering area
PACS:
P631; P62
DOI:
10.19814/j.jese.2020.08049
Abstract:
With the development of Pb-Zn mining industry in recent 20 years, the large- and medium-sized mines in Fengtai ore-gathering area will soon face the plight of resource depletion. In recent years, geophysical exploration method was used to find Guojiagou concealed Pb-Zn orebody in Xicheng ore-gathering area of Gansu, which indicates that it is of great significance to the deep prospecting by geophysical exploration method. According to the perspective of geological and geophysical exploration, taking the north and south sides of Guchahe syncline in Fengtai ore-gathering area as the boundary, the occurrence characteristics, morphological characteristics, ore controlling factors and geophysical identification marks of Pb-Zn orebodies were summarized, including Qiandongshan-Dongtangzi, Yindongliang, Bafangshan-Erlihe and other large-sized Pb-Zn deposits, Shoubanya, Fengya, Heiya, Yinmusi and other medium-sized Pb-Zn deposits, and several small deposits and ore spots. Based on the deep prospecting results of three geophysical methods, including the discovery of Cu mineralized bodies in the deep part of Yinmusi Pb-Zn deposit by WFEM, the discovery of Cu bodies in the deep part of Yangjiawan Cu ore spots by TEM, and the inference of a better location for Pb-Zn prospecting in the deep part of Erlihe Pb-Zn deposits by SOTEM, combined with the spatial distribution of Pb-Zn deposits, it can be considered that the deep extension parts of known deposits(such as the western section of Qiandongshan-Shuibaigou anticline, the eastern section of Jianduanshan-Bafangshan anticline, and the western segment of Yinmusi-Daheigou anticline)and new favorable areas for mineralization of sub-hidden anticline in the sidewall of ore-bearing anticline with ore-prospecting potential(such as the areas on both sides of the western segment of Qiandongshan-Shuibaigou anticline and Yinmusi-Daheigou anticline, and both sides of Jianduanshan-Bafangshan anticline), are the geophysical prospecting directions of Pb-Zn deposits. Meanwhile, based on the comprehensive comparison of the application of geophysical exploration methods in Fengtai ore-gathering area, it is suggested that WFEM with long section or wide area should be used for deep prospecting.

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