dugald river - oz minerals · dugald lode hw shear schist calcsilicates slate massive slate...
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DUGALD RIVER
•Location:Queensland,Australia
•Orebodytype:Sediment-hostedzinc
leadsilvermineralisation
•Primarymetal:Zinc
•Proposedminingmethod:Mechanised
undergroundopenstoping
•Expectedminelife:16+years
•Resource(containedmetal):
5.8milliontonneszinc
1.0milliontonneslead
67.8millionouncessilver
DUGALD RIVER
Cloncurry airport
Cloncurry township
Yurbi Railloading facility
To Mount Isa
Dugald River deposit
LegendWaterPipelinefromLakeJulius
toErnestHenryMine
Possiblepowerlineextension
toDugald
Existingpowerlinefrom
MountIsatoErnestHenry
MountIsatoTownsvilleRailway
BourkeDevelopmentRoad
25 50
•Oneoftheworld’smostattractivezincdeposits.
•Large,highgraderesource:47.9milliontonnes
at12.1%zinc,2.1%leadand44gramsper
tonnesilver.
•Incloseproximitytoinfrastructureandservices.
•Pre-feasibilitystudycompletedDecember2006.
•Feasibilitystudyintothedevelopmentofa
200,000pazincmetalmineinitiatedinearly2007.
DUGALD RIVER
Kilometres
0
N
LegendDugaldLode
HWShear
Schist
Calcsilicates
SlateMassive
SlateCalcareous
Limestone
metres
0 100 200
DUGALD RIVER
•Drillingisbeingcarriedoutforresource
definitionandmetallurgicaltestwork
•Amenabletoundergroundopenstoping,high
recoveryratesachievablewithconventional
crushing,grindingandflotation.
•Preliminarymarketingstudiesconfirmdemand.
•Projectteamrecruited
•Explorationcampandassociated
infrastructureinplace.
DUGALD RIVER
DUGALD RIVER
•Constructionlogisticsstudyhasconfirmed
feasibilityofoff-shoremodularconstruction.
•Significantcopperintersectionsandoutcrops
identifiedandpotentialisbeingassessed.
•Twotypesoflead-zincdepositsought:
1.Century/MtIsa-style
2.Vein-style
•2761.987squarekilometres
ofexplorationtenements
CENTURY DISTRICT
139
°
139.
4 °
-18.4 °
-18.8 °
-19.2 °
138.
2 °
138.
6 °
CENTURYMINING LEASE
20 kmsAustralia GDA94
WANGUNDASmartrans JV
CONSTANCE RANGEICON Resources JV
EPM10544 LAWN HILL
EPM 14716
EPM 15283
EPM 14717
CENTURY MINE 20PERCENTOFEMPLOYEESAREFROMLOCALINDIGENOUSGROUPS
CENTURY REGIONAL CENTURYANDMTISA-STYLE
•CRCProjectcompletedoverthree
yearswiththefollowingoutcomes:
•Improvedunderstandingofthearchitecture
(seismicand3Dmodelling);
•Understanding,throughreversefluidand
stressfieldmodelling,ofhowmineralising
fluidscirculated;
•Apictureofthegeochemicalhaloofthedeposit;
•Targetsgeneratedfromacombination
oftheabove.
•Stressandfluidflowmodellingundertaken
bytheCSIRO
CENTURY REGIONAL CENTURYANDMTISA-STYLE
•Located2kilometerssouthwest
oftheCenturypit.
•Periodicallyworkedfrom1887to1980
producing2,653tonnesoflead
•Recentdrillinghasfocusedon:
- Definingaresource
Resourcefortheareaaroundtheoldworkings
expectedtobeannouncedQ22008
- Findingextensions
Extensionshavebeenfoundtothenortheast
alongstrike,upto200mfromtheoldworkings.
Thedepositisstillopeninthisdirectionand
atdepth.
CENTURY DISTRICT VEIN-STYLEPROSPECTS-SILVERKING
CENTURY DISTRICT SILVERKING
Silver King
Watsons Lode
Silver Star
Century Orebody Outline
Stars and Stripes
Silver Hills
Mended Hill
•Othervein-styleprospects
aretobetested2008
CENTURY DISTRICT VEIN-STYLEPROSPECTS
•A$19m,three-yearexplorationprogram
commencedin2006withtheintentionof
increasingtheRoseberyMineresources.
•Impressiveinitialresultsexpandedthe
resourceby65%to11.7milliontonnes
•Furtherresourceupgradesareexpected
fromthenexttwoyearsofthisprogram.
ROSEBERY DISTRICT PROJECTHORIZONS
ROSEBERY DISTRICT PROJECTHORIZONS
ROSEBERY DISTRICT REGIONALEXPLORATION
•Focusonfindingnew,highgradelead-zinc
andcopperdepositsintheprospective
MtReadVolcanics
•AlliancewithBassMetalstoexplore
theHellyerMineLeases
•258.04squarekilometresoftenements