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Abstract

Investigation of an intrusion of Middle Jurassic
Golden Valley showed the structure to
be more complex than previously described. The
intrusion appears to be located on a thrust which
has brought Precambrian quartzite and schist up
Ordovician conglomerate. The magnitude
the movement is not easily determined' due to
uncertainties concerning the thickness of the
Cambrian sequence in this vicinity. The fault is
considered to be a Lower Palaeozoic feature which
has controlled the site of intrusion of the dolerite,
possibly with concomitant Jurassic movement. The
dolerite intrusion also appears to be related to a
high in the Precambrian basement and possibly a
Cambrian volcanic centre.

Item Type:	Article
Authors/Creators:	Sutherland, FL
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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