NDLI: Biostratigraphic and chemostratigraphic constraints of the Mbuji-Mayi Supergroup, Democratic Republic of Congo

Content Provider	Semantic Scholar
Author	Baludikay, Blaise Kabamba Bekker, Andrey Baudet, Daniel Storme, Jean-Yves Javaux, Emmanuelle
Copyright Year	2014
Abstract	unaffected by regional metamorphism [1]. It was deposited between 1174 ± 22 Ma and ca. 800 Ma in the intracratonic failed-rift SMLL “Sankuru-Mbuji-MayiLomamiLovoy” basin [2] which extends from SE to NW between Katanga and Kasai Provinces nd overlies the Mesoproterozoic Kibaran Belt a Supergroup (in the eastern part of SMLL basin) while in the Western part, where we focused our work, it rests unconformably upon Archean Dibaya Granitic Complex [3]. The amygdaloidal basaltic pillow lavas (948 ± 20 Ma) overlie the Mbuji-Mayi Supergroup, at the confluence of Mbuji-Mayi and Sankuru rivers [4]. Lithostratigraphically, this Supergroup consists in two distinct successions: a lower siliciclastic sequence (~500m) of BI Group and an upper carbonat e sequence (~1000m) with stromatolitic build-ups and black shales of BI I Group [2 ] . Our own and prev ious sedimentological observations [5] indicate facies ranging from subtidal, low-energy stromatolitic environments to overlying intertidal to supratidal evaporitic settings of lagoon and sabkha.
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Alternate Webpage(s)	https://orbi.uliege.be/bitstream/2268/175417/1/Poster_B.K.Baludikay.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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