At Vivi the country is much eroded, granitic rocks, schist, mica, gneiss, and quartz are exposed. The hill-sides are rock strewn, and the country is
Table of Contents
CHAPTER II. The Physical Features of the Congo.
16
At Vivi the country is much eroded, granitic rocks, schist, mica, gneiss, and quartz are exposed. The hill-sides are rock strewn, and the country is