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Articles 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
11.
8 p, 827.3 KB Kaolinite formation from palygorskite and sepiolite in rhizosphere soils / Khademi, H. (Isfahan University of Technology. Department of Soil Science. College of Agriculture) ; Arocena, J. M. (University of Northern British Columbia. Department of Soil and Environmental Sciences)
Palygorskite and sepiolite are fibrous clays that occur mostly in agricultural soils of arid regions. Although many investigations have examined the environmental conditions for the formation and stability of these clays, information on the transformation of these clays in the root zone (or rhizosphere) of agricultural crops is limited. [...]
2008 - 10.1346/CCMN.2008.0560404
Clays and Clay Minerals, Vol. 56, Núm. 4 (2008) , p. 429-436  
12.
12 p, 2.3 MB Origin and depositional environment of palygorskite and sepiolite from the ypresian phosphatic series, Southwestern Tunisia / Tlili, A. (Route de Soukra. Earth Sciences Department) ; Felhi, M. (Route de Soukra. Earth Sciences Department) ; Montacer, M. (Route de Soukra. Earth Sciences Department)
The Ypresianphosphatic series of the Gafsa-Metlaoui basin, southwesternTun isia, is represented by an alternation of phosphatic levels and interbedded facies, which are composed of marly-clay and silica-rich rocks. [...]
2010 - 10.1346/CCMN.2010.0580411
Clays and Clay Minerals, Vol. 58, Núm. 4 (2010) , p. 573-584  
13.
20 p, 681.5 KB On the chemical composition of sepiolite and palygorskite / García-Romero, E. (Universidad Complutense de Madrid. Departamento de Cristalografía y Mineralogía) ; Suárez, M. (Universidad de Salamanca. Departamento de Geología)
Many studies of the chemical composition of sepiolite and palygorskite have been carried out using analytical electron microscopy (AEM). According to the literature, a compositional gap exists between sepiolites and palygorskites, but the results presented here show that they may all be intermediate compositions between two extremes. [...]
2010 - 10.1346/CCMN.2010.0580101
Clays and Clay Minerals, Vol. 58, Núm. 1 (2010) , p. 1-20  

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