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Abstract

Mr. Brock has recently sunk a shaft to a seam of coal,
which he discovered indications of at sea margin a little
north of Mount Direction.
The seam, about two feet thick, exists under hard laminated
blue and grey shales containing abundant impresssions
of the following Mesozoic fossil plants: Thinnfeldia obtusifolia, Phyllocotheca Hookeri, Phylloctheca Australis, Pterophyllum Risdonensis, Zeugophyllites elongatus.
The shaft is sunk on the southern slope of the rounded
hill, capped with variegated sandstones, opposite Austin's
Ferry, which rises to a height of about 300 feet.

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 and Proceedings of the Royal Society of Tasmania
ISSN:	0080-4703
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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