Zdjęcie079(3)

— Germany-Poland border

Fig. 1. Distribution of Kupferschiefer copper deposits in Poland (OszczepaJski and Rydzewski. 1997): the ł ubin Sieroszowice districl is in dark grecn. where the amount of copper in the deposits is 20 kg per squarc metre of surfacc area. The area of uppermost Rotlicgcnd dune-bedded aeolian sandstone (Kamkowski. 1999) is shown by crescent dunes. FSB - fore-Sudetic błock: L Lubin;

P Poznan: W - Wrocław.

Producing mining district: Lubin. Polkowice-Sieroszowice and Rudna (Fig. I).

Mining: Underground (650 to 1150 m). Commodities: Cu. Ag, Pb. Au, Pl Pd, Ni. Se. Re. Co, Zn, Mo. V.

Annual production (2003): 569,000 t Cu. 17,550 t Pb. 1,561 t Ag, 1.955 t nickel sulphate, 0.296 t Au, 0.034 t slime Pt+Pd. 68 t Se.

Economic reserves: 2,369 Mt ores, 47.07 Mt Cu @ 1.3 to 2.6%, 135.000 t Ag @ 30 to

80 g/t.

Type: Kupferschiefer (Cu shale) Cu-Ag deposits (Pb, Zn, Co. Mo, Ni. V, Se, Au, Pt, Pd. Re). Rotę Faule-related Au-Pt-Pd mineralization (resources in Polkowice area 66 t Au @ 1.8 g/t). ¹

—    nos! rocks: Kupferschiefer I m. base

Zechstein (unconformable upon Rotliegend elastie¹ and bimodal volcanics), aeolian sandstones, marinę black shales and marls, marinę dolomites and limeslones.

1    ~".x.    —

Kiłpforvchio<r#r

shale ?S6 Ma L

Rot

RoHiwjond

sandstone

- 2 km

of brmeet 60 ppm Cu

Zachstem Dotomg¹-¹ caftx>nat©«

Rotę Faule _— redox surlace “**"

I ig. 2. Schematic cross-section of the Polish Kupferschiefer copper mineralization (Oszczepalski. 1999). modified from Rentzsch (1974).

References:

Karnkowski, P.l I.. 1999. Origin and evolution of the Polish Rotliegend Basin. Polish Geological Institute Special Papers 3. 93 pp.

Oszczepalski. S.. 1999. Origin of the Kupferschiefer polymetallic mineralization in Poland. Mincralium

Deposita 34. 599-613.

Oszczepalski. S., Rydzewski. A.. 1997 Mctallogenic Atlas of the Zechstein Copper-Bearing Senes in Poland Polish Geological Institute. Warsaw. 32 pp., 16 pl. Rentzsch. J.. 1974. The Kupferschiefer in comparison with the deposits of the Zambian Copperbelt. In: Bartholome. P. (Ed.), Gisements Stratiformes et Provinces Cupriferes. Societe geologique de Belgique. I.iege. pp. 395-418.

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0169-1368/$ - see front matter < 2005 Elsevicr B.V. Ali rights reserved. doi: 10.1016'j.oregeorev.2005.07.009