Medium-sized magmatic-hydrothermal granitoid-related vein-type gold deposit, hosted in metamorphic rocks of the Tuanpokou and Nianying Formations (Archean Fuping Group) that are derived from shallow marine carbonate-clastic sedimentary rocks. Magmatic rocks outcropping in the area form part of the Mesozoic Mapeng Intrusion. The gold mineralization is strictly controlled by faults occuring to the SE and S sides of the intrusion. There are three types of mineralization: quartz veins, altered rocks and a transitional one. The veins trend NS, NW and NNE, with a strike lenghth from several tens to even a thousand of meters and with typical widths from several tens of centimeters to a few meters.
Ref.:
- Peng Qiming and Xu Hong (1994): The discovery of native ruthenium in Nuanquanzi and Tuling-Shihu gold deposits: Implications for source of gold. Chinese Journal of Geochemistry 13(1), 55-60.
- Baode Wang, Shuyin Niu, Aiqun Sun, and Hongyang Li (2003): Isotopic Characteristics of Mesozoic Au-Ag Polymetallic Ore Deposits in Northern Hebei and Their Ore-Forming Materials Source. Chinese Journal of Geochemistry 22(3), 203-214.
- http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt
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Map Reference: 38°40'N , 114°5'E
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