The Geology and Prospectivity of the Castlemaine, Woodend, Yea and Part of Bacchus Marsh 1:100 000 Map Sheets
VIMP Report 51 The geology and prospectivity of the Castlemaine, Woodend, Yea and part of Bacchus Marsh 1:100 000 map sheets J. E. Edwards, C. E. Willman, I. W. McHaffie, A. Olshina and A. J. Willocks November 1997 Bibliographic reference: EDWARDS, J.E., WILLMAN, C.E., MCHAFFIE, I.W., OLSHINA, A. and WILLOCKS, A.J., 1997. The geology and prospectivity of the Castlemaine, Woodend, Yea and part of Bacchus Marsh 1:100 000 map sheets.. Victorian Initiative for Minerals and Petroleum Report 51. Department of Natural Resources and Environment. © Crown (State of Victoria) Copyright 1997 Geological Survey of Victoria ISSN 1323 4536 ISBN 0 7306 9430 5 This report may be purchased from: Business Centre, Department of Natural Resources and Environment, Ground Floor, 115 Victoria Parade, Fitzroy, Victoria 3065 For further technical information contact: Manager, Geological Survey of Victoria, Department of Natural Resources and Environment, P O Box 500, East Melbourne, Victoria 3065 Acknowledgements The authors wishes to thank G. Ellis for formatting the document, P. O’Shea and R. Buckley for editing the document and D. Jansen for figure formation. GEOLOGY AND PROSPECTIVITY - CASTLEMAINE, WOODEND, YEA, BACCHUS MARSH 1 Contents Abstract 3 1 Introduction 4 2 Geology 6 2.1 Geological history 7 2.2 Stratigraphy 9 Cambrian 9 Lower Ordovician 10 Upper Ordovician 12 Silurian-Devonian 12 Permian 15 Triassic 16 Tertiary 16 Quaternary 17 2.3 Intrusive rocks 17 2.4 Structure 20 Bendigo Zone 20 Melbourne Zone 21 Ballan Graben 22 3 Economic geology 23 3.1 History
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