Spry, A

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GEOLOGY OF TASMANIA 4186ARM RIVERONE INCH StRJE5- U.... IVERSITY or T.... SWANIA.GEOLOGY DEf'T e70Nr-------~~~----~~------_r--~r__.--~------~--~;_--------rr_--------~--_,;_----~~----_r,__,~~T7~ - r -­-+-­-+-­-+--Jdl "-~r J I ( ~ I Jdl 1-1 FEBRUARY \ PLAINS Jdl p£h I'ORw.\TION aOUNDARY fOlU,lATION !t.OUNOARY POSITION AP"ROX. FAULT PROaAaLr; .sYNCLINAL AXI". !'lkST OkDl!:k SYNCUNAl. AXIS. nC;;OHO ORO!." ANT1CLIML AXIS, .sECOND OkD!:R DIP AND .sTRIKE. OF STRATA I'LUNCE OF LINUTION j BERRIEDALE Tb Tb MAGG "S 1 MOUNT pCm ,'" ! per ~/ , OuaternarylliIJ LANDSLIDE D~&R/'S Tertiory ~VOLCANICS Ws!.orW!.NTS Jurassic J dl DOLtRIn: Permian p S[.Olt.1I!.NT.s Precambrian £m "AGOS Q.UARTZlTt £0 A"'''' SCHUT pCa I LEGEND /f£'" ItIA~ SHOWING IIAI:N':TIC DECLINATIONS Compilation from Aerial Pnotogropl'U SECULAR VAIIIATION 7" !"elf ANNUJI Trigonometric Stotlon Control by courtesy Lands and Surveys Deportment Origin of coordinateS" 400,000 yds West and 1,100,000 yd.s. South of True Origin of Zone ? of th e International Grid MAPPED AND COMPILED "Y A.H. SPRY ,..,. 1oI0TDR TRACK SCALI: ~ rtSHEft GftDUP I ~ MILES [I,!'OOT TRACK F4~~~~~~I==========~'~ HOweLl.. GROUP s.ko ,o.~tltl FEET GEOLOGY OF THE RIVER ARM AREA Pleistocene Glocials covering approximately half of the area are not shown. 1. BIBLIOGRAPHY: LEWIS, A N, 1932 "Origin of Greot Lake". Pap. and Prac. Roy. Soc. Tas., 1932, pp 15~38. LEWIS, AN., 1944: "Pleistocene Glaciation in Tasmania". Pap and Proc. Roy. Soc. Tas., 1944, pp.41-56. REID, A M, 1918: "Mt. Pelion Mineral District". Bull. Geol. Sur. Tas., 30. WARD, L. K., 1907: "Precambrian of Tasmania". Pap. and Proc. Ray. Soc. Tas., 1907, pp. 124-156. 2. STRATIGRAPHIC TABLE: AGE GROUP FORMATION LITHOLOGY THICKNESS Recent Landsl ide debris (?) Pleistocene Till, varves 160'+ EROSION INTERVAL Tertiary Basalt flows and pyroclastics 800' EROSION INTERVAL Jurassic Dolerite sill Permian Basal conglomerate, sandstone, siltstone 250' UNCONFORMITY Magg's Quartzite 2000' Precambrian Arm Schist and Quartzi te 3000' Fisher Slates and Quartzites 5000'+ Howell Schists and Quartzites 5000'+ 3. LOCALITIES OF SPECIAL INTEREST: Pleistocene varves on Arm River E414600.N862400 Minor folds in Arm Schist E4194CXJ. N862700 Roche moutonnee E419800.N866200 Tertiary bcsalt section E41500.N86200 to E415600. N865500 Minor anticline E419700N861400 

The Precambrian rocks of Tasmania, Part III, Mersey-Forth area

http://eprints.utas.edu.au/14363/1/1958_Spry_Precambrian_rocks_Pt3.pdf

The Precambrian rocks of Tasmania, Part III, Mersey-Forth area

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