Aniva sedimentary basin 

(Cenozoic) 

(Southern Sea of Okhotsk, unit Czs)

Consists chiefly of Miocene to Quaternary sedimentary rocks with thickness of up to 3 to 4 km. Seismic 
data indicate sedimentary rocks occur in two units, an upper subhorizontal unit, and a lower more 
deformed unit that fills irregularities in the surface of acoustic basement. The basin overlaps the suture 
separating the Academy of Sciences and Institute of Oceanology collages. REFERENCES: Baboshina and 
others, 1984; Gnibidenko and Khvedchuk, 1984; Kudelkin and others, 1986