Stratigraphie du Precambrien de l'Oubangui-Chari occidental
- 1 January 1952
- journal article
- Published by EDP Sciences in BSGF - Earth Sciences Bulletin
- Vol. S6-II (7-9) , 467-483
- https://doi.org/10.2113/gssgfbull.s6-ii.7-9.467
Abstract
The Precambrian of western Ubangi-Shari, French Equatorial Africa, can be divided into four systems, separated by unconformities--the basement complex, highly folded and metamorphosed; the M'Poko system, deposited in two geosynclines, mainly represented by quartzites and schists; the Lobaye system, quartzitic sandstones of continental origin; and the cherty Zinga series, less well-developed, representing silicified deposits which were originally calcareous or dolomitic.Keywords
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