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Abstract

Slates, phyllites, quartzites, conglomerates and
dolomite of Pre-Cambrian age occur in a faulted
anticline. They have been intruded by pre-metamorphic
basic rocks which occur as a dyke swarm,
by Cambrian ultrabasic rocks around Heazlewood
and by Devonian granites at the Pieman Heads.
The granite lies along the axis of the anticline.
The Pre-Cambrian rocks have been divided into
four sets of beds which have been named. They
have suffered low-grade regional metamorphism
with superimposed thermal metamorphism near the
granite. A major fault which occurs along the
Donaldson River is a member of a system of faults
with north-easterly trend. Silicified conglomerates
and basalt of Tertiary age overlie the older rocl{s
unconformably along the Corinna Road.

Item Type:	Article
Authors/Creators:	Spry, A and Ford, R
Keywords:	Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
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:	Copyright Royal Society of Tasmania
Item Statistics:	View statistics for this item

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