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Bleiberg, Kreuth

Austria

Main commodities: Pb Zn
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The Bleiberg-Kreuth deposit in southern Austria contained some 33 Mt @ 10% Pb+Zn, based on production and reserve figures.

It is a carbonate hosted deposit within six mineralised carbonates in a 350 m thick interval of the Middle Triassic Drau Limestone, which is in turn part of a 3000 m Triassic sequence of mainly carbonates that overlie a Permian sedimentary basement.

Much of the ore zone is highly fractured with a large number of steep, fault controlled 'lodes' and pipes that may be 400 to 800 m in strike length and are spread over a wide area.   Irrespective of which band mineralisation lies within it can been grouped into four styles, as follows:  1). stratabound ore,  2). ore in cross-cutting structures which link stratabound accumulations,  3). mechanically redeposited ores (ore sands and breccias),  4). ores that form large stock shaped bodies due to diagenetic processes.

For detail consult the reference(s) listed below.

The most recent source geological information used to prepare this summary was dated: 1994.    
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
   Selected References:
Boni M, Large D  2003 - Nonsulfide zinc mineralization in Europe: an overview: in    Econ. Geol.   v98 pp 715-729
Cerny I  1989 - Current prospecting strategy for Carbonate-hosted Pb-Zn mineralizations at Bleiberg-Kreuth (Austria): in    Econ. Geol.   v84 pp 1430-1435
Kucha H, Schroll E and Stumpfl E F  2005 - Fossil sulphate-reducing bacteria in the Bleiberg lead-zinc deposit, Austria: in    Mineralium Deposita   v40 pp 123-126
Kucha H, Schroll E, Raith J G and Halas S,  2010 - Microbial Sphalerite Formation in Carbonate-Hosted Zn-Pb Ores, Bleiberg, Austria: Micro- to Nanotextural and Sulfur Isotope Evidence : in    Econ. Geol.   v105 pp 1005-1023
Kuhlemann J, Vennemann T, Herlec U, Zeeh S, Bechstadt T  2001 - Variations of Sulfur isotopes, trace element compositions, and cathodoluminescence of Mississippi Valley-type Pb-Zn ores from the Drau Range, Eastern Alps (Slovenia-Austria): implications for ore deposition on a regional versus microscale: in    Econ. Geol.   v96 pp 1931-1941
Kuhlemann J, Zeeh S,  1995 - Sphalerite stratigraphy and trace element composition of East Alpine Pb-Zn deposit (Drau Range, Austria-Slovenia): in    Econ. Geol.   v 90 pp 2073-2080


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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