Table 3. Synoptic table of bottom samples collected 



46 



86 



17 36 S 



141 55 W 



2132 m 



Globigerina ooze? 90; inspection 



(Dry) fuscous 134k(OY-0) 

 Manganese nodules up to 1 cm in 

 diameter partly covered with 

 small unbroken shells of pelag- 

 ic foraminifera 



47 



87 



11 



18 05 S 



145 33 W 



4315 m 



Calcareous red 

 clay 



15; total CO2 (Moist) between bister and sepia 

 162m(y-0, O-Y) 

 (Dry) clay; coherent, brittle 



48 94 Apr. 22 



12 47 S 



171 35 W 



4760 m 



Red clay 



< 10; inspec- (Dry) between light drab and 

 tion avellaneous n"'^/^h{0-Y) 



Clay; moderately coherent, pul- 

 verulent 



49 96 



26 



6 47 S 



172 23 W 



5269 m 



Red clay 



<1; total CO2 (Moist) between snuff-brown and 

 bister 152l(Y-0); (dry) avella- 

 neous 173b (O-Y) 

 Clay (U.S.B.S. class =clay); co- 

 herent, brittle 



50 



97 



28 



3 47 S 



172 39 S 



5253 m 



Red clay 



< 10; inspec- (Dry) between Saccardo's umber 

 tion and buffy-brown 172'l/2j(0-Y) 



Color of coarser fraction (dry) 

 between avellaneous and light 

 drab 173-V2b(0-Y) 

 Silty clay; moderately conerent, 

 pulverulent, somewhat gritty 



Sample 45. Sand grades are similar to sample 44, except that a greater proportion of pelagic shells are 

 unbroken and phillipsite crystals and aggregates are less common. The silt and clay grades apparently 

 contain much more calcium carbonate than sample 44. 



Sample 46. The estimate of CaCOs content for this region is based on the fact that the small tests of 

 pelagic foraminifera found on the manganese nodules are unbroken and fresh in appearance. 



Sample 47. Well-formed, ovoid-shaped pellets of fine material, usually containing fragments of foraminif- 

 eral shells and sometimes cemented together by a coating of manganese, predominate in the coarser sand 

 grades. Benthonic foraminifera make up a large part of the calcium carbonate content, together with bro- 

 ken shells of pelagic foraminifera, fish teeth, and unidentified calcareous materials; sponge spicules are 

 also present. Manganese grains, volcanic rock fragments, palagonite and phillipsite are common, where- 

 as biotite, feldspar, and hornblende are rare constituents of the sand grades. 



Sample 48. The sample is very fine-grained but too small for mechanical analysis. Contains radiolaria, 

 sponge spicules, coccoliths, and unidentified, irregular -shaped calcareous material, as well as basic 



268 



