We got away to-day and arrived atMadanao in good
time. The old chief was very kind, and made us
presents of fowls, tarrap, and other fruit, rice, sugarcane,
&c.
Sept. 9th.—The specimen of sulphide of antimony
shown to me by Sheriff Shea in Bongon, was reported
to have come from the hill at the back of Gensalong’s
house, which was said to be composed entirely of
PORTRAIT OF ME. VON DONOP.
antimony. There was also, I was informed, a Chinese-
made brass cannon on the summit, through which a
red deer or Jcejang could walk. This hill was to-day
thoroughly explored from foot to top, and the result
of all our investigations was the discovery that it was
composed of barren sandstone. There was no change
in the formation anywhere in the neighbourhood on
this side of the river, as the adjacent hills were all
examined with exactly the same result, Mr. Von
Donop2 came up from Bongon in the afternoon, and
the following future journeys we made together.
Our attention on the following day was directed to
the hills on the left bank, which were found to consist
of limestone, with interstratified clays, all inclined
at a very high angle. A torrent rushing down from
the hills gave some capital exposures of strata, which
about the lower parts of the hill consisted of limestone
and clays, the sandstone being exposed on the
ridge from where the limestone has been removed by
denudation. The limestone contained veins of calc-
spar, but was, as far as I know, quite destitute of
organic remains. 1 had several large rocks broken by
blasting, in order to obtain fossils, but never a trace
could we find.
The Dusuns were much alarmed at the blasting ;
' they ran out of their houses with their hands to their
ears, and the chief was not a little pleased to learn
that we were leaving him on the morrow.
We followed the Marudu River the whole way to
Pampang. Minute inspection of the river-bed revealed
no traces of minerals. Madanao 400 feet high; Pampang
800; our general direction was S. The formations
are still aqueous, consisting of alternating limestones,
sandstones, and clays.
The general dip of the strata at Pampang is 35°,
S.S.E. In the immediate vicinity of the Dusun house
the formation consists of a ferruginous sandstone,
overlain by about fourteen feet of clayey soil. We
made our way to the top of the highest hill in the
district—a hill from whence edible swallow-nests were
2 The Company’s Commissioner of Agriculture.