Abstract

Volume 42, number 5/1991, pages 259-264

TUNGSTEN IN METABASIC ROCKS OF EDOUGH MTS. CRYSTALLINE COMPLEX (NE ALGERIA)

JOZEF BENKA, JAN ILAVSKY

Dionyz Stur Institute of Geology, Mlynska dolina 1, 817 04 Bratislava, Czecho-Slovakia

Abstract: Mineralogical-paragenetical, geochemical as well as previous petrogenetic studies (Hovorka & Ilavsky 1991) carried out in the Edough Mts. indicated the presence of tungsten mineralization of intramagmatic ores in pyroxenites, plagiodasites and pegmatites. Subsequent metamorphism caused the alteration of primary disseminated mineralization into impregnation to stockwerk type. At the same time it has been confirmed that all analogous effusive rocks from the Edough Mts. are according to their WO₃ contents perspective as far as tungsten and other metals are concerned.

Keywords: tungsten mineralization, metabasic rocks, Edough Mts., Algeria

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