Tasman Peninsula
7 A OJ? TASMAN PENINSULA M.R. Banks, E.A. Calholln, RJ. Ford and E. Williams University of Tasmania (MRB and the laie R.J. Ford). b!ewcastle fo rmerly University of Tasmama (EAC) and (ie,a/Ogle,Cl; Survey of Tasmania (E'W) (wjth two text-figures lUld one plate) On Tasman Peninsula, southeastern Tasmania, almost hOrizontal Permian marine and Triassic non-marine lOcks were inllUded by Jurassic dolerite, faulted and overiain by basalt Marine processes operating on the Jurassic and older rocks have prcl(iU!ced with many erosional features widely noted for their grandeur a self-renewing economic asset. Key Words: Tasman Peninsula, Tasmania, Permian, dolerite, erosional coastline, submarine topography. From SMITH, S.J. (Ed.), 1989: IS lllSTORY ENOUGH ? PA ST, PRESENT AND FUTURE USE OF THE RESOURCES OF TA SMAN PENINSULA Royal Society of Tasmania, Hobart: 7-23. INTRODUCTION Coal was discovered ncar Plunkett Point by surveyors Woodward and Hughes in 1833 (GO 33/ Tasman Peninsula is known for its spectacular coastal 16/264·5; TSA) and the seam visited by Captain scenery - cliffs and the great dolerite columns O'Hara Booth on May 23, 1833 (Heard 1981, p.158). which form cliffs in places, These columns were Dr John Lhotsky reported to Sir John Franklin on the first geological features noted on the peninsula. this coal and the coal mining methods in 1837 (CSO Matthew Flinders, who saw the columns in 1798, 5/72/1584; TSA). His thorough report was supported reported (1801, pp.2--3) that the columns at Cape by a coloured map (CSO 5/11/147; TSA) showing Pillar, Tasman Island and Cape "Basaltcs" (Raoul) some outcrops of different rock This map, were "not strictlybasaltes", that they were although not the Australian not the same in form as those Causeway Dictionary of (Vol.
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