. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Richard H. Bennett, William R. Bryant, and George H. Keller 11 ^'S^. ^=r ^"^ -=.'<' ^ Figure 16.—"Tactoid"' structure. (From Ingles 1968). Figure 17.—"Card-house" structure. (From Ingles 1968) of Kell (1964) and Sloane and Kell (1966). Ultrathin sec- tion photomicrographs of clayey submarine sediment have provided strong support to the concepts proposed by Ingles (1968) for consolidated clay sediment (Bowles and others 19
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Richard H. Bennett, William R. Bryant, and George H. Keller 11 ^'S^. ^=r ^"^ -=.'<' ^ Figure 16.—"Tactoid"' structure. (From Ingles 1968). Figure 17.—"Card-house" structure. (From Ingles 1968) of Kell (1964) and Sloane and Kell (1966). Ultrathin sec- tion photomicrographs of clayey submarine sediment have provided strong support to the concepts proposed by Ingles (1968) for consolidated clay sediment (Bowles and others 1969). Barden and Sides (1970) investigated the engineering behavior and structure of selected compacted clay samples. Samples of kaolin compacted both wet and dry of optimum revealed no marked difference in structure but had the turbo- stratic structure evident at high magnifications (using ). Low magnifications (visual assessment) revealed a homogeneous structure wet of optimum but pelletlike macropeds dry of optimum. Similar conclusions about com- pacted structure were made by Sloane and Kell (1966) and Smart (1967). Tovey (1970) made constructive criticism of the work of Barden and Sides (1970) and stated that particle associations in undisturbed kaolinite had slacks of particles in face-to-face arrangements. Cabrera and Smalley (1971) pointed out that the char- acteristic domain structure or turbostratic structure formed in compacted kaolinite soils which they called stepped face- to-face was different from the structure of relatively undis- turbed kaolinite systems. Cabrera and Smalley concluded that bookhouse stacks (large particles) are characteristic of undisturbed kaolinite deposits and that during the compac- tion processes of kaolinite soil from an undisturbed condi- tion, several events occur: (1) The bookhouse structure is disturbed with the large kaolinite particles successively broken, ultimately reaching the true particle size of /xm. The smaller
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