Moreton Bay Regional Council acid sulfate soils Pine Rivers area July 2011 Prepared by: JS Walton1, JA Manders2, KE Goulding1 Department of Environment and Resource Management Resource Assessment and Information, South-East Region1 Queensland Acid Sulfate Soils Investigation Team (QASSIT), Brisbane2 © The State of Queensland (Department of Environment and Resource Management) 2011 Copyright inquiries should be addressed to [email protected] or the Department of Environment and Resource Management, 41 George Street Brisbane QLD 4000 Published by the Queensland Government, July 2011 Citation of this document should take the form: Walton, J.S, Manders J.A, Goulding KE (2011). Moreton Bay Regional Council Acid Sulfate Soils - Pine Rivers Area. Department of Environment and Resource Management, Queensland, Australia. This document has been prepared with all due diligence and care, based on the best available information at the time of publication. The department holds no responsibility for any errors or omissions within this document. Any decisions made by other parties based on this document are solely the responsibility of those parties. Information contained in this document is from a number of sources and, as such, does not necessarily represent government or departmental policy. This publication can be made available in alternative formats (including large print and audiotape) on request for people with a vision impairment. Contact (07) 322 48412 or email <[email protected]> #29839 July 2011 MAS_1 ISBN: 9311662191731 Volume 1 Acknowledgements The authors wish to thank: • Moreton Bay Regional Council for providing funding to make this project possible. • Michael Messer and Erin Porter from Moreton Bay Regional Council for initiating this project. • All landowners who supported the study by providing access to their properties. • Jeremy Manders, Lauren O'Brien, Lauren Eyre, Fiona McCartney, Kate Goulding, John Loi, Suzette Argent, Mark Sugars, Peter Wilson, and Maria Zann (DERM) for field work assistance. • Sonya Mork and Dan Yousaf from the Natural Resource Sciences Chemistry Centre (DERM) for soil laboratory analysis. • Sheryl Crofts (DERM) for cartographic expertise. • Lauren O'Brien, Sue-Ellen Dear, Lauren Eyre (DERM) and David Walton for report formatting and proofing. Front cover photo taken from Dohles Rocks Road, Griffin looking towards the Pine River mouth. Moreton Bay Regional Council acid sulfate soils – Pine Rivers area Contents Volume 2 .............................................................................................................................................................iv Summary..................................................................................................................................... 1 1 Introduction.......................................................................................................................... 2 1.1 Overview of acid sulfate soils .................................................................................................................2 1.2 Acid sulfate soil disturbance risks .........................................................................................................2 1.3 Acid sulfate soil management .................................................................................................................3 1.4 Policy context............................................................................................................................................4 1.5 Survey area................................................................................................................................................4 1.6 Mapping scale and intensity....................................................................................................................5 2 Geology ................................................................................................................................7 3 Geomorphology................................................................................................................... 9 3.1 Geomorphology of estuaries...................................................................................................................9 3.2 Geomorphology of the study area ........................................................................................................11 4 Methodology ...................................................................................................................... 13 4.1 Mechanical sampling equipment ..........................................................................................................13 4.2 Manual sampling equipment .................................................................................................................15 4.3 Location of sites, profile description and sampling ...........................................................................16 4.4 Database recording ................................................................................................................................17 4.5 Laboratory analysis................................................................................................................................17 4.6 Determination of PASS or AASS status ...............................................................................................18 5 Results................................................................................................................................19 5.1 Map units of the study area ...................................................................................................................19 5.2 Summary of borehole data ....................................................................................................................22 5.3 Characteristics of the mapping area.....................................................................................................25 6 Recommendations............................................................................................................. 44 7 Conclusions ....................................................................................................................... 46 References................................................................................................................................47 Glossary.................................................................................................................................... 49 i Moreton Bay Regional Council acid sulfate soils – Pine Rivers area List of figures Figure 1: Extent of acid sulfate soil survey, Pine Rivers area ......................................................................................6 Figure 2: Geology of the study area (sourced from 1:100 000 scale mapping by Cranfield et al., 2008)....................8 Figure 3: Estuarine energy zones as described by Dalrymple et al. (1992)...............................................................10 Figure 4: Extent of ASS in the project area ................................................................................................................20 Figure 5: Project sub-areas ........................................................................................................................................26 List of tables Table 1: Major geology units of the study area (Cranfield et al., 2008)........................................................................7 Table 2: Texture-based action criteria (source Ahern et al., 1998) ............................................................................18 Table 3: Areas of acid sulfate soil mapping units in the Pine Rivers area .................................................................21 Table 4: Summary of borehole data from MAS sites..................................................................................................23 List of photos TM Photo 1: Geoprobe sampling equipment in action, Griffin, South East Queensland. .............................................14 Photo 2: Hydraulic coring rig with steel tube ..............................................................................................................15 Photo 3: Hydraulic coring rig with tapered gouge auger.............................................................................................15 Photo 4: Dormer No 4 auger and sand auger ............................................................................................................16 Photo 5: Tapered gouge auger...................................................................................................................................16 Photo 6: Site 3 location...............................................................................................................................................27 Photo 7: Site 3 soil profile to 3.8 m.............................................................................................................................28 Photo 8: Site 7 location...............................................................................................................................................28 Photo 9: Site 7 soil profile to 2.65 m...........................................................................................................................28 Photo 10: Site 83 location...........................................................................................................................................29 Photo 11: