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Abstract

Apart from the circumstance that the extensive tertiary
fluviatile and lacustrine formations of Australia have been the
principal sources from which we have derived our rich
treasures of gold and tin in the free state, their study from a
naturalist's point of view is also peculiarly interesting from
the nearness of their deposition to our own time.
Many present may have noticed along the shores of the
Derwent, particularly in the neighbourhood of Sandy Bay,
One Tree Point, and Cornelian Bay, a series of sandy and
clayey beds sometimes of considerable thickness and extent.
They frequently dip irregularly at various angles, and in
various directions, as if they had been much disturbed subsequent
to their deposition, but they are never found at an
altitude of much more than 40 feet above the existing sea
level.

Item Type:	Article
Authors/Creators:	Johnston, Robert Mackenzie
Keywords:	Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title:	Papers & Proceedings and Report of the Royal Society of Tasmania
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:	In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania.
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