Borska Reka

Porphyry copper (Cu-Au) deposit in Bor, Serbia

Names and other identifiers

Tract name Transylvania-Balkan Mountains (150pCu6001)
Group name Bor Group
Included sites Group includes Bor, Borska Reka, and Veliki Krivelj deposits.
Site status deposit

Geographic location

Country Serbia
State or province Bor
Geographic location 22.130298, 44.071907
Geologic map unit 22.130298, 44.071907
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age determination method Geologic inference
Age range Late Cretaceous
Age reference geologic inference
Minerals chalopyrite, pyrite, magnetite, telluride, molybdenite, chalcocite, covellite, bornite
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Past Producer
Major commodities Cu
Minor commodities Au, Ag, Mo
Trace commodities Bi, Te
Tonnage (Mt) 591Mt
Cu grade (%) 0.62%
Mo grade (%) 0.0036%
Au grade (g/t) 0.24g/t
Ag grade (g/t) 1.92g/t
Contained copper 3,700,000t
Gold-Moly ratio 67

Reference information

Comments Reserves: 320 Mt at 0.5% Cu, 35.8 g/t Mo, 0.2 g/t Au, 1.62 g/t Ag; resources 235 Mt at same grades as reserves. Bor (Timoc) district.
Study area name Europe
References Lips and others (2006); Serbia Ministry of Mining and Energy (2010)
Site reference Sutphin and others (2013)