Hedong Mine, Xincheng-Hexi ore field, Jiaojia-Xincheng Gold camp, Laizhou Co., Yantai Prefecture, Jiaodong Peninsula (Jiaodong Gold Province), Shandong Province, China

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A gold deposit, located in the Wang'ershan fault zone which strikes NNE and dips to the NW at an average angle of around 42°. The hanging wall of the fault is formed by Linglong granite and the footwall by Guojialing granodiorite. Pyrite-sericite-quartz alteration along the fault zone occurs within both the Linglong and Guojialing granites, and is typically 60-100 m wide. Gold mineralization is present mostly as disseminations within the sheared alteration zone on the footwall side of the structure. The orebodies are in the form of lodes or lenses which pinch and swell and commonly split and merge. The Hedong mine is separated into two sub-districts, the main Hedong sub-district in the north and the smaller Fujia sub-district in the south. The majority of the known resources are located within the Hedong sub-district.

References

- Zhang Jun and Chen Shouyu (2000): Characteristics of physicochemical field structure of metallotectonics in the Hedong gold deposit. Geophysical and Geochemical Exploration 24(3), 161-166.
- Yumin Qiu, Groves, D.I., McNaughton, N.J., Lianggen Wang, and Taihe Zhou (2002): Nature, age, and tectonic setting of granitoid-hosted, orogenic gold deposits of the Jiaodong Peninsula, eastern North China craton, China. Mineralium Deposita 37, 283-305.

Mineral List

Albite Calcite Chalcopyrite 'Chlorite Group'

Galena Gold var: Electrum Hematite 'K Feldspar'

Muscovite var: Sericite Pyrite Pyrrhotite Quartz

Sphalerite

13 entries listed. 9 valid minerals.