The Sandstone Is Then Found To Have Been Disturbed,
And At The Rivulet Called Nake We Found It Tilted Up And Exhibiting A Section,
Which Was Coarse Sandstone Above, Sandstone-Flag, Shale, And, Lastly,
A Thin Seam Of Coal.
The section was only shown for a short distance,
and then became lost by a fault made by a dike of basalt,
which ran to the E.N.E. in the direction of Chicova.
This Chicova is not a kingdom, as has been stated, but a level tract,
a part of which is annually overflowed by the Zambesi,
and is well adapted for the cultivation of corn. It is said to be
below the northern end of the hill Bungwe. I was very much pleased
in discovering this small specimen of such a precious mineral as coal.
I saw no indication of silver, and, if it ever was worked by the natives,
it is remarkable that they have entirely lost the knowledge of it,
and can not distinguish between silver and tin. In connection with
these basaltic dikes, it may be mentioned that when I reached Tete
I was informed of the existence of a small rapid in the river near Chicova;
had I known this previously, I certainly would not have left the river
without examining it. It is called Kebrabasa, and is described
as a number of rocks which jut out across the stream. I have no doubt
but that it is formed by some of the basaltic dikes which we now saw,
for they generally ran toward that point.
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