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Yingfang Pb-Zn deposit, Fengning Co., Chengde Prefecture, Hebei Province, China

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Large-scale polymetallic Pb-Zn-Cu-(Ag-Au) vein and stockwork deposit, hosted in a NS-trending moderate ductile shear zone developed at the contact zone between Early Yanshan coarse-grained K feldspar granite and Paleoproterozoic metamorphic rocks of the Hongqiyingzhi Group. The contact between the orebodies and the host rocks consist of 4 alteration zones: (1) silica alteration + hydromica alteration + pyrite alteration; (2) sericite alteration + chlorite alteration; (3) chlorite alteration + carbonate alteration; (4) kaolinite alteration + carbonate alteration. The ore mineral deposition shows close relation to silica alteration. The origin of the deposit is under debate.

Ref.:
- http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt





 Map Reference: 41°25'5"N , 116°39'50"E

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Mineral List:
Acanthite
'Apatite'
Arsenopyrite
Bornite
'Chalcedony'
Chalcopyrite
Dolomite
var: Ferroan Dolomite
'Feldspar Group'
 Fluorite
Galena
'Hydromuscovite'
Magnetite
Marcasite
Pyrite
Pyrrhotite
Quartz
 'Sericite'
'Serpentine Group'
Silver
Sphalerite
Tetrahedrite
var: Argentian Tetrahedrite
'Tourmaline'
Zircon


23 entries listed. 14 valid minerals.

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