These features may have been lower than they are now, and owe their
present elevation to upheaval. Immature conglomerate--that is, a pudding
of pebbles and hardened clay--seems to have been deposited in the
synclinal curve of the bed-rock, principally slate. Overlying both are the
top soil and the sands, the latter often resembling the washed out
tailings of stamped rock.
Passing the village Abanfokru, I found myself amongst the extensive
concessions of the French, who have taken the alluvial grounds for washing
and working. M. Bonnat's map gives the approximate positions and
dimensions; and the several sites are laid down by M. Dahse. I shall have
more to say about this section on my return.
Navigation now becomes more intricate and difficult, owing to rocks and
reefs, rips and rapids. A large stony holm about mid-stream is called
Eduasim, meaning 'thief in river.' I need not repeat from my map the names
of the unimportant settlements. At the mouth of the Abonsa the bed widens
to nearly double, and the north-easterly direction shifts to due north.
This great drain, falling into the left bank, lies between five and six
miles above the Fura Creek.
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