 | Irrigation - 1962 - 344 pages
...studying the clay-mineral nomenclature. TABLE 1. — Classification of the clay minerals ' 1 Amorphous A. Allophane group II Crystalline A. Two-layer type (sheet...one layer of alumina octahedrons) 1. Equidimensional a. Kaolinite group (1). Kaolinite, nacrite, and others 2. Elongate a. Halloysite group B. Three-layer... | |
 | Rattan Lal, Manoj K. Shukla - Technology & Engineering - 2004 - 736 pages
...TABLE 3.9 Classification of the Clay Minerals 1. Amorphous Allophane group A. Two-layer type 1sheet structures composed of units of one layer of silica tetrahedrons and one layer of alumina octahedrons1 1. Equidimensional Kaolinite group Kaolinite, nacrite. etc. 2. Elongate Halloysite group... | |
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I. Amorphous Allophane group II. Crystalline A. Two-layer type (sheet structures composed of units of one layer of silica tetrahedrons and one layer of alumina octahedrons) 1. Equidimensional Kaolinite group Kaolinite, nacrite, etc. 