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                        FIGURE  26.-Selected  X-radiographs  (negatives)  showing  hemipelagic  mud  and  biogenic  struc-
                        tures:  A,  Neritic-bathyal  environment;  speckling  produced  by  foraminifera  (f).  B,  lntermediate
                        depth  basin  environment;  core  section  shows  intense  bioturbation  and  coiled  burrow  (b).
                        c,  D,  Mycellia  small fucoid-like  tubes  (m)  and  pelecypod  (p)  (dark  laminae  may  be  a  reworked
                        turbidite  mud  layer).  E,  Intensely  mottled  mud  in  Pantelleria  Basin.  F,  Uniform  hemipelagic
                        mud with mycellia  in  the  North Marettimo Basin.  (See  also  Figure  34  for  core  logs.)
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