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Volume 4, 2009 - Number 2
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REVIEW OF THE BAUXITE-BEARING FORMATIONS IN THE NORTHERN APUSENI MTS. AREA (ROMANIA) AND SOME ASPECTS OF THE ENVIRONMENTAL IMPACT OF THE MINING ACTIVITIES
Ovidiu DRAGASTAN, Răsvan DAMIAN, Zoltán CSIKI, Iuliana LAZĂR
Department of Geology and Paleontology, Faculty of Geology and Geophysics, Universiy of Bucharest,1 N. Bălcescu Blvd., 010041 Bucharest, Romania, ovidiud@geo.edu.ro, zoltan.csiki@g.unibuc.ro Mihai MARINESCU Department of Hydrogeology and Engineering Geology, Faculty of Geology and Geophysics, Universiy of Bucharest,6 T. Vuia St.., 020956 Bucharest, Romania, <mmar54@yahoo.com REVIEW OF THE BAUXITE-BEARING FORMATIONS IN THE NORTHERN APUSENI MTS. AREA (ROMANIA) AND SOME ASPECTS OF THE ENVIRONMENTAL IMPACT OF THE MINING ACTIVITIES Full text
Abstract:
The study perimeter is located in the Pădurea Craiului Massif from the northern Apuseni Mts., in the Bihor Autochtonous Domain. The Pădurea Craiului Massif is built up of Jurassic-Cretaceous limestone deposits, corresponds to the Bihor Carbonate Platform, a Mesozoic shelf unit. Several bauxite levels were identified within the Upper Jurassic-Lower Cretaceous carbonatic succession; the stratigraphic position and the main features of these are reviewed here. In the Pădurea Craiului Massif, the mining activities were focused especially on the extraction of the bauxites localised around the Jurassic-Cretaceous boundary. After ceasing of the mining activities, most of the quarries and mines were left behind. The study was aimed to track the environmental impact during the bauxite mining activities and especially after their cessation, while also suggesting potential remediation strategies. |
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