452 
PACIFIC SCIENCE, Yol. XXII, October 1968 
B 
FEET 
Tqs 
APPROXIMATE MEAN 
OECLI N AT ION, DECEMBER 1963 
Buried fault scarp, approximately located. 
Contact, definitely located. 
Contact, approximately located. 
/ I0 Dip and strike of beds. 
Horizontal beds. 
Dike. 
— Intermittent stream. 
Coral reef 
Fig. 8. Detailed geologic map and cross section of Ofu and Olosega islands. 
