



.V*4" ^ 



(a) 





.« * 



ff% *. 



Fig. 9. (a) Crystals of phillipsite (elongate laths), unseparated from other 

 particles of pelagic clay at 114 cm in core, Midpac 3 (X 200). (b) Manganese 

 nodules at depth of 4560 m in southwestern Pacific (area about 6 m square). 

 (Photo DWP-11 from Menard and Shipek, 1958.) 



363 



