Reconnaissance by Submarine — Brock and Chamberlain 
385 
Fig. 8. Mamala Terrace at 100 meters. Shown are 
moner fishes. (Drawing by Ken Shutt.) 
weathered basalt fragments. Samples from the 
area of Keawaula Beach have shown the organic 
constituents to be mainly the remains of benthic 
Foraminifera, with lesser amounts of fragments 
reef rock outcrops, the terrace, and some of the com- 
of Mollusca and calcareous algae; various 
amounts of coral and echinoid debris are also 
present (Moberly and Chamberlain, 1964:137). 
A general discussion of the constituents of 
