Article (Scientific journals)
CHARACTERIZATION OF NEOGENE MARLS FROM THE KERT BASIN (N.E. MOROCCO): SUITABILITY FOR THE CERAMIC INDUSTRY
Nasri, Hicham; Azdimousa, Ali; EL Hamouti, Kamal et al.
2019In Clay Minerals
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Keywords :
western mediterranean basin; Neogene; Marls; Clay; Kert; Morocco; Geochemistry; Mineralogy; Ceramic
Abstract :
[en] The North-Eastern region of Morocco is filled with marine marls of Neogene age. The Neogene marls from the lower-Kert area were characterized to evaluate their suitability in the ceramic industry. To meet this objective, two cross-sections involving all the Neogene facies were performed on the both banks of the Kert River. Grey and green marls occurring between sandstone and tuffs were characterized by mineralogical (XRD) and physico-chemical analyses (grain-size, Atterberg limits, XRF, and specific surface area). The studied Neogene clays are mainly calcareous silty marls with CaCO3 content ranging from 13 to 20 wt.%. The mineralogical composition showed the occurrence of quartz, calcite, feldspars, dolomite, illite, kaolinite, chlorite, and mixed-layers (10-14 Å). Cristobalite occurred only in the uppermost level of the green marls supplied from volcanic ash during the Messinian. Siderite and rhodochrosite occurred as traces pointing out to reducing or locally oxidizing conditions during sedimentation or shortly thereafter. There, marls have medium to high plasticity that is optimum for extrusion. Raw Neogene marls are suitable for structural clay products manufacturing. More specific uses were supported by geochemical results and grain-size distribution as hollow products, roofing tiles, and masonry bricks.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Earth sciences & physical geography
Author, co-author :
Nasri, Hicham
Azdimousa, Ali
EL Hamouti, Kamal
El Haddar, Abdelilah
El Ouahabi, Meriam  ;  Université de Liège - ULiège > Département de géologie > Argiles, géochimie et environnements sédimentaires
Language :
English
Title :
CHARACTERIZATION OF NEOGENE MARLS FROM THE KERT BASIN (N.E. MOROCCO): SUITABILITY FOR THE CERAMIC INDUSTRY
Publication date :
2019
Journal title :
Clay Minerals
ISSN :
0009-8558
Publisher :
Mineralogical Society, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 November 2019

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