RICHMOND

TOWNSVILLE

WINTON

CAIRNS

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

147°

147°

145°30'

145°30'

144°

144°

142°30'

142°30'

141°

141°

139°30'

139°30'

17° 17°

18° 18°

19° 19°

20° 20°

21° 21°

22°22°

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

Carpentaria

Eromanga

Georgetown

GalileeMount Isa Drummond

Charters Towers

Cairns

Millungera

Clarke River

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°

HOT ROCK POTENTIAL

SOUTHAUSTRALIA

WESTERNAUSTRALIA

NORTHERNTERRITORY

QUEENSLAND

NEW SOUTHWALES

VICTORIA

TASMANIA

ACT

MAP LOCALITY

Modelled thermal resistance to 5km depth Modelled total sediment thickness Distribution of felsic intrusive rocks

Thermal conductivity regions

Calculated heat generation potential

Predicted temperature at 5 km

HOT ROCK POTENTIALMAY 2010

NORTH QUEENSLAND ENERGY SYSTEMS ASSESSMENT

Transverse Mercator Projection; Central Meridian 144o E; Geocentric Datum of Australia (GDA94)

Heat generation values calculated using OZCHEM data and attributedto the felsic intrusive units.

NORTH QUEENSLAND ENERGY SYSTEMS ASSESSMENT

GU L F OF

CA RP E N TA R I A

P A C I F I C

O C E A N

© Commonwealth of Australia (Geoscience Australia) 2010.This material is released under the Creative Commons Attribution2.5 Australia LicenceThis work is copyright. Apart from any fair dealings for the purposeof study, research, criticism, or review, as permitted under theCopyright Act 1968, no part may be reproduced by any processwithout written permission. Copyright is the responsibility of theChief Executive Officer, Geoscience Australia. Requests andenquiries should be directed to the Chief Executive Officer,Geoscience Australia, GPO Box 378 Canberra ACT 2601

Geoscience Australia has tried to make the information in thisproduct as accurate as possible. However, it does not guaranteethat the information is totally accurate or complete. THEREFOREYOU SHOULD NOT RELY SOLELY ON THIS INFORMATIONWHEN MAKING A COMMERCIAL DECISIONPublished by Geoscience Australia, Department of Resources,Energy and Tourism, Canberra, Australia. Issued under theauthority of the Minister for Resources, Energy and Tourism

Compiled by B.F. Ayling and B.C. Lewis, Geoscience AustraliaData analysis by B.F. Ayling, B.C. Lewis and D.P. ConnollyCartography by D.P. ConnollyProduced by GIS Services Group, Onshore Energy and MineralsDivision, Geoscience Australia using ESRI ArcGIS 9.3 softwareThis map forms part of Geoscience Australia’s Onshore EnergySecurity Program

Copies of the GA Record containing this map can be downloadedfrom the Geoscience Australia internet site at: http://www.ga.gov.auor by contacting: Sales Centre, Geoscience Australia GPO Box 378 Canberra ACT 2601 Phone (02) 6249 9966, Facsimile (02) 6249 9960 Email: sales@ga.gov.au

It is recommended that this map be referred to as:Ayling B.F., Lewis B.C., Connolly D.P., 2010.Hot Rock Potential. In: Huston D.L. (editor), 2010. North Queensland,Energy Assessment. Geoscience Australia, Canberra, GA Record, in prep.Bain, J.H.C. and Draper, J.J. (eds) 1997. North Queensland Geology.Bulletin of the Australian Geological Survey Organisation 240, andQueensland Department of Mines and Energy Geology 9, 600pp.

PLATE 8

Predicted temperature at 5 km using AUSTHERM07 database. This maphas been partially derived from proprietary information owned by EarthEnergy Pty Ltd ACN 078 964 735.

Distribution of felsic intrusive rocks based on north Queensland solid geology map.Total thickness of sedimentary basins estimated from drill hole data,potential field geophysical data, seismic data and the SEEBASE dataset.

Thermal resistance estimated by integrating thermal conductivity withdepth to a total depth of 5 km.

Potential for hot rock geothermal resources based on weighted summation of inputdatasets (shown in insets). Figure shows calculated hot rock potential. Whiteframe delineates the spatial extent of the area assessed. See text (Huston, 2010)for more information and references.

0 200 kilometres

limit of assessmentlimit of assessment

limit of assessment

no data

no datalimit of assessment

limit of assessment

CAIRNS

RICHMOND

HUGHENDEN

BURKETOWN

NORMANTON

MOUNT ISACLONCURRY

GEORGETOWN

JULIA CREEK

CHARTERSTOWERS

PACIFIC

OCEAN

GULF OF

CARPENTARIA

147°

147°

144°

144°

141°

141°

18° 18°

20° 20°

22° 22°limit of assessment limit of assessment

Low HighHot Rock Potential

Thermal conductivity region boundary km0 200 km0 200

km0 200

km0 200km0 200

Broad geological regions defined for calculation of thermal resistance. Each region was assignedthermal conductivity values on the basis of lithology. The boundaries are based on geologicalprovinces. (Bain and Draper, 1997).

Assignedscore

123456

Sedimentthickness (km)

<11 - 22 - 33 - 44 - 5>5

Assignedscore

12345

µW/m-3

140 - 154154 - 168168 - 182182 - 196196 - 210

Assignedscore

12345

Temperature(°C)

140 - 154154 - 168168 - 182182 - 196196 - 210

Assignedscore

1234567

Resistance(m2KW-1)

<16501650 - 17251725 - 18001800 - 18751875 - 19501950 - 2025

>2025

Felsic intrusiveskm0 200