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Geophysical and geochemical anomaly characteristics, prospecting effectiveness, and prospecting potential in the Danangou Gold District, Liaoyang, Liaoning Province

  • English Author:
  • Yang Hong’en¹, Dong Jun¹, Xu Yunxia², Zhu Lihong¹, Liu Yue¹, Chen Jundian³, Zhou Yongjun⁴

  • Unit:
  • (1. Liaoning Non‑ferrous Geological Exploration and Research Institute Co., Ltd.; 2. Liaoning Geological and Mineral Group Mining Co., Ltd.; 3. Liaoning Geological Exploration and Mining Group Co., Ltd.; 4. Geophysical Measuring Exploration Institute of Liaoning Province)
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Abstract:

The orebodies of the Danangou Gold Deposit are hosted in the Dashiqiao Formation marble and theGaixian Formation biotite schist, and are controlled by NW⁃trending faults. Mineralization is dominated by pyritization,with subordinate chalcopyrite and sphalerite alteration. Wall rock alteration is primarily silicification and K⁃feldsparalteration, followed by carbonate alteration. To better understand the relationship between geophysical-geochemicalanomalies and gold mineralization in the Danangou Gold District, an integrated prospecting program was carried outusing geological mapping, soil geochemical survey, induced polarization(IP)intermediate gradient profiling, IP sounding,trenching, and drilling engineering verification. 2 integrated anomalies were delineated through soil geochemicalsurvey. To identify deep geological features, IP intermediate gradient profiling and IP sounding were conducted atthe HT1 integrated anomaly site. Trenching and drilling were used for verification, and 2 orebodies were discovered,demonstrating good prospecting results. The study proposes a promising prospecting outlook and provides guidance forfurther mineral prospecting.

Keywords:

Danangou; gold deposit; soil geochemical survey; IP intermediate gradient; geological characteristics;integrated anomaly; wall rock alteration