21 degrees 25 minutes, by a large
creek from the N.W. From the ridges on the left bank of the creek I
obtained an extensive view.
The bluff termination of the ranges on the
head of the Isaacs bore N. 55 degrees E. Many high ranges were seen
towards the north and north-east. Towards the south the horizon was
broken only by some very distant isolated mountains. Peak Range was not
visible. A group of three mountains appeared towards the north-west; one
of them had a flat top. The whole country to the westward was formed of
low ridges, among which the Suttor seemed to shape its winding course.
The hills on which we stood, as well as the banks of the creek, were
composed of flint-rock. Pebbles and blocks of Pegmatite covered the bed
of the creek. This rock also cropped out along the river. This was the
first time since leaving Moreton Bay that we met with primitive rocks,
and I invite the attention of geologists to the close connection of the
flint rock with granitic rocks; which I had many opportunities of
observing in almost every part of the northern and western falls of the
table land of New England.
A Melaleuca with very small decussate leaves, a tree about twenty-five
feet high, was growing on the scrubby ridges. Flooded-gums of most
majestic size, and Casuarinas, grew along the river; in which there were
many large reedy water-holes.
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