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Jiashengpan

Inner Mongolia, China

Main commodities: Zn Pb
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The Jiashengpan stratabound sediment hosted zinc-lead deposit is located within the Mesoproterozoic Langshan-Zha'ertai-Bayun Obo ore belt of Inner Mongolia, approximately 100 km south-west of Byan Obo and 200 km WNW of Hohhot (#Location: 41° 13' 50"N, 109° 18' 00"E).

The deposit is hosted by a Mesoproterozoic sedimentary sequence of the Zha'ertai (Zhartai or Chartai) Group which includes carbonaceous and silty dolomite and black carbonaceous slate/phyllite and occurs in a third-order fault-basins in the Langshan-Zha'ertaishan aulacogen along the northern margin of the North China Platform.

It comprises several concordant, banded sulphide bodies which are folded with the host rocks and concentrated in the hinges of folds where they are thickened and of higher grade.

The ore minerals comprise pyrite, pyrrhotite, sphalerite and galena which occur in layers, masses, disseminations, laminae. Sphalerite predominate in the lower parts of the deposit, with galena increasing upwards.

The principal gangue minerals are dolomite, diopside, calcite, tremolite, plagioclase, K feldspar and quartz.

The deposit is quoted in the Nat. Res. Canada website (2004) as having a geological resource of:
      500 Mt @ 3.8% Zn, 1.3% Pb.

Other local sources quoted a resource of:
      62 Mt @ 3.8%Zn, 1.3%Pb, 0.1g/tAu in 1999.

The most recent source geological information used to prepare this summary was dated: 2006.    
This description is a summary from published sources, the chief of which are listed below.
© Copyright Porter GeoConsultancy Pty Ltd.   Unauthorised copying, reproduction, storage or dissemination prohibited.


  References & Additional Information

Porter GeoConsultancy Pty Ltd (PorterGeo) provides access to this database at no charge.   It is largely based on scientific papers and reports in the public domain, and was current when the sources consulted were published.   While PorterGeo endeavour to ensure the information was accurate at the time of compilation and subsequent updating, PorterGeo takes no responsibility what-so-ever for inaccurate or out of date data, information or interpretations.

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