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Results overview: Found 8 records in 0.02 seconds.
Articles, 8 records found
Articles 8 records found  
1.
16 p, 897.2 KB The smectite-to-disordered kaolinite transition in a tropical soil chronosequence, Pacific Coast, Costa Rica / Fisher, G. Burch (Dartmouth College. Earth Sciences Department) ; Ryan, Peter C. (Middlebury College. Geology Department)
Soils developed on Quaternary fluvial fill terraces in the humid tropics of Costa Rica display progressive changes in mineral assemblage, chemical composition and particle size with age. Clay minerals from B horizons of active floodplains are predominantly smectite with lesser amounts of disordered kaolinite. [...]
2006 - 10.1346/CCMN.2006.0540504
Clays and Clay Minerals, Vol. 54, Núm. 5 (2006) , p. 571-586  
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2.
18 p, 1.5 MB Contemporary pedogenic formation of palygorskite in irrigation-induced, saline-sodic, shrink-swell soils of Maharashtra, India / Hillier, Stephen (Macaulay Institute) ; Pharande, A. L. (College of Agriculture)
Increasing use of irrigation in India has exacerbated the problems of soil salinity and sodicity. The present study was undertaken on shrink-swell soils from Maharastra State to determine if changes in soil chemistry due to irrigation have affected the clay mineralogy. [...]
2008 - 10.1346/CCMN.2008.0560507
Clays and Clay Minerals, Vol. 56, Núm. 5 (2008) , p. 531-548  
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3.
10 p, 884.2 KB Hydrothermal synthesis of beidellites : Characterization and study of the cis- and trans-vacant character / Lantenois, Sébastien (Université Montpellier 2. Institut Charles Gerhardt) ; Muller, Fabrice (Université d'Orléans. Institut des Sciences de la Terre d'Orléans) ; Beny, Jean-Michel (Université d'Orléans. Institut des Sciences de la Terre d'Orléans) ; Mahiaoui, Jamel (Université Montpellier 2. Institut Charles Gerhardt) ; Champallier, Rémi (Université d'Orléans. Institut des Sciences de la Terre d'Orléans (ISTO). CNRS)
Low-charge beidellites were synthesized by a hydrothermal treatment applied to an amorphous gel phase in basic solution. The hydrothermal conditions for the syntheses were chosen from the stability field of beidellite previously investigated in the literature. [...]
2008 - 10.1346/CCMN.2008.0560104
Clays and Clay Minerals, Vol. 56, Núm. 1 (2008) , p. 39-48  
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4.
8 p, 133.2 KB Baseline studies of the Clay Minerals Society Special Clays : Specific suerface area by the Brunauer Emmett Teller (BET) method / Dogan, Meral (University of Iowa. Department of Civil and Environmental Engineering) ; Umran Dogan, A. (University of Iowa. Department of Chemical and Biochemical Engineering) ; Irem Yesilyurt, F. (Aksaray University. Department of Geological Engineering) ; Alaygut, Dogan (TPAO. Turkish National Petroleum Corporation) ; Buckner, Ira (University of Iowa. College of Pharmacy) ; Wurster, Dale Eric (University of Iowa. College of Pharmacy)
The Clay Minerals Society published a complete characterization scheme for its 'Source Clays' but not for its 'Special Clays'. To address this issue, the specific surface areas (SSAs) of the 16 special clays from The Clay Minerals Society were determined using the Brunauer, Emmett and Teller (BET) method of adsorption of an inert gas. [...]
2007 - 10.1346/CCMN.2007.0550508
Clays and Clay Minerals, Vol. 55, Núm. 5 (2007) , p. 534-541  
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5.
7 p, 835.1 KB Hydrothermal synthesis of smectite from dickite / Ryu, Kyoung-Won (Chungbuk University. Department of Earth and Environmental Sciences) ; Jang, Young-Nam (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Chae, Soo-Chun (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Bae, In-Kook (Korea Institute of Geoscience and Mineral Resources. Minerals and Materials Processing Division) ; Choi, Sang-Hoon (Chungbuk University. Department of Earth and Environmental Sciences)
Dioctahedral smectite was prepared hydrothermally from dickite [AlSiO(OH)] as a starting material by autoclaving in a closed stainless steel vessel with variable temperature, pressure, time and pH conditions. [...]
2006 - 10.1346/CCMN.2006.0540110
Clays and Clay Minerals, Vol. 54, Núm. 1 (2006) , p. 80-86  
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6.
16 p, 992.3 KB Layer-charge characteristics of smectite in thai vertisols / Chittamart, Natthapol (Kasetsart University. Department of Soil Science) ; Suddhiprakarn, Anchalee (Kasetsart University. Department of Soil Science) ; Kheoruenromne, Irb (Kasetsart University. Department of Soil Science) ; Gilkes, Robert J. (University of Western Australia. School of Earth and Environment)
The fertility of soils with respect to K and NH is often difficult to measure, but is essential for achieving effective agronomic practices. This problem is especially important in the Vertisols of Thailand. [...]
2010 - 10.1346/CCMN.2010.0580209
Clays and Clay Minerals, Vol. 58, Núm. 2 (2010) , p. 247-262  
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7.
22 p, 3.6 MB Reflectance spectroscopy of beidellites and their importance for mars / Bishop, Janice L. (SETI Institute) ; Gates, Will P. (Monash University) ; Makarewicz, Heather D. (University of Kansas) ; McKeown, Nancy K. (University of California at Santa Cruz) ; Hiroi, Takahiro (Brown University)
Beidellites may exist on Mars and represent intermediate alteration products; their presence would indicate different alteration environments than previously identified because montmorillonite is a low-grade alteration mineral whereas beidellite is a higher-temperature alteration mineral, and often represents a step toward illite formation. [...]
2011 - 10.1346/CCMN.2011.0590403
Clays and Clay Minerals, Vol. 59, Núm. 4 (2011) , p. 378-399  
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8.
13 p, 1.3 MB Mineralogical and physico-chemical characterizations of ferruginous beidellite-rich clay from Agadir basin (Morocco) / Bouna, L. (Université Cadi Ayyad) ; Rhouta, B. (Université Cadi Ayyad) ; Daoudi, L. (Université Cadi Ayyad) ; Maury, F. (Université de Toulouse) ; Amjoud, M. (Université Cadi Ayyad) ; Senocq, F. (Université de Toulouse) ; Lafont, M. C. (Université de Toulouse) ; Jada, A. (Institut de Sciences des Matériaux de Mulhouse) ; Aït Aghzzaf, A. (Université Cadi Ayyad)
The mechanism of formation of detrital, beidellite-rich clay occurring in the Agadir basin (Morocco) is well documented, but its detailed characterization is incomplete which limits its application. The aim of the present study was to provide further details of the mineralogical and physico-chemical characteristics of this clay. [...]
2012 - 10.1346/CCMN.2012.0600305
Clays and Clay Minerals, Vol. 60, Núm. 3 (2012) , p. 278-290  
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