2015 broken hill resources investment symposium - geological survey of south australia - steve hill

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New mineral provinces and mineral systems in South Australia's explora9on prospectus Steve Hill Director, Geological Survey of South Australia May 2015 www.statedevelopment.sa.gov.au

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New  mineral  provinces  and  mineral  systems  in  South  Australia's  explora9on  prospectus Steve Hill Director, Geological Survey of South Australia

May 2015

www.statedevelopment.sa.gov.au

This  presenta,on…  3  main  parts  

1.  Introduc,on  (the  challenges)  2.  GSSA’s  ac,vi,es  (for  mee,ng  the  challenges)  3.  Curnamona  examples  (as  an  entrée  for  

Wednesday’s  Technical  Presenta,ons)  

This  presenta,on…  •  3  main  parts  

1.   Introduc9on  (the  challenges)  2.  GSSA’s  ac,vi,es  (for  mee,ng  the  challenges)  3.  Curnamona  examples  (as  an  entrée  for  

Wednesday’s  Technical  Presenta,ons)  

Discovery  The strength of the mining industry is sustained through new discoveries. If you don’t have discoveries then you don’t have mines.

Geoffrey Blainey AC August 2013  

Government  /  Private  Drivers  of  Discovery    (“The  Carter  slide”  aka  “The  Magna  Carter”)  

Land  Access  

Human  &  Intellectual  Capital  Educa,on  and  training  R&D  –  new  explora,on  and  processing  technologies  

Precompe99ve  Geoscien9fic  Data  and  Informa9on  

Capture  and  Delivery  Value-­‐add  Research  Underexplored  /  Covered  Regions  Targeted  Programs    

Discovery  

Quality  of  Explora9on  

Quan9ty  of  Explora9on  

Geos

cienc

e Aus

tralia

; CSI

RO, U

of A

; SAC

OME;

GSS

A

Availability  of  Finance  

GREENFIELDS

Adapted  from    Derek  Carter  

The  Mineral  Explora,on  Expenditure  ‘Wave’  

0%  

2%  

4%  

6%  

8%  

10%  

12%  

14%  

16%  

0  

50  

100  

150  

200  

250  

300  

350  

400  

1993   1994   1995   1996   1997   1998   1999   2000   2001   2002   2003   2004   2005   2006   2007   2008   2009   2010   2011   2012   2013  

                       South Australian expenditure SA's percentage share of Australian expenditure SASP Target 41 - $200m to 2015 Former SASP Target T1.18 - $100m    

Sou

th A

ustra

lian

min

eral

exp

lora

tion

expe

nditu

re ($

m)

SA

's s

hare

of

Aus

tralia

n m

iner

al

expl

orat

ion

expe

nditu

re (%

)

source: ABS data Cat. 8412.0 and Department of State Development

Challenger discovery

PACE

Four Mile discovery

Olympic Dam Expansion

Carrapateena discovery

Olympic Dam drill-out

PACE 2020

Prominent Hill

discovery

Jacinth-Ambrosia discovery

Hillside discovery

Impact of GFC

6  

Catching  waves….  •  How  do  you  catch  waves?  1.     You’ve  got  to  be  in  the  water  

and  ready  before  the  wave  comes  (not  watching  from  the  shore)  

   

What  are  we  doing  to  help  SA  catch  the  next  wave?  

Photo:  Warren  Bolster  

Moon Plain, Stuart Shelf, SA (Photo S.Hill)

The  DISCOVERY  challenge…  The  covered  minerals  search  space  across  80%  of  South  Australia!  

Chile   Peru  

USA  

51

Mt  Cu-­‐eq  

A  Discovery  Gap  to  be  filled  

Source:  MinEx  Consul,ng  March  2012  

Poten9al  for  DISCOVERY  

South  Australia  

Na9onal  Mineral  Explora9on    Strategy  &  UNCOVER  

Industry  focused  UNCOVER  Roadmap  drac  now  released  via  AMIRA  

Improving  Explora,on  Performance  •  Methodical,  systema,c  and  disciplined  explora,on  targe,ng,  scale-­‐reduc,on,  decision-­‐making  process    

•  This  scale  reduc,on  decision  making  process  starts  at  terrane  scale,  through  regional,  camp  and  finally  deposit  scale    

•  Extends  from  predic,on  to  detec,on  with  scale  reduc,on  

Themes  during  scale  reduc,on  explora,on  

From  UNCOVER  Roadmap  

This  presenta,on…  •  3  main  parts  

1.  Introduc,on  (the  challenges)  2.   GSSA’s  ac9vi9es  (for  mee9ng  the  challenges)  3.  Curnamona  examples  (as  an  entrée  for  

Wednesday’s  Technical  Presenta,ons)  

GSSA  ac,vi,es  according  to  the  scale  reduc,on  exercise:  1.   Discovering  new  Mineral  Provinces  2.   Discovering  new  Mineral  Systems  3.   Discovering  new  Mineral  Deposits  

1.  Discovering  a  new  Mineral  Province  in  South  Australia  

•  South  Australia’s  far  west…  

Photo:  Steve  Hill  

 REGIONAL:  New  Cu-­‐Ni-­‐PGE  Province  in  Western  Gawler  Craton  /  ‘Coompana’  (TMI  backdrop)      

‘Coompana’  Fowler  Domain  

Gawler  Ranges  

Deep  crustal  seismic  line  (GA,  AusScope  GSWA,  GSSA)  

SA’s  largest  airborne  magne9cs  /  

radiometrics  survey  •  249,000  km  survey  data  •  Tender  awarded  to  GPX  

Surveys  

 

Regional  Magnetotellurics  50  km  AusLAMP  grid  

Regional  Plant  Biogeochemistry  Colin  Dunn  &  Helen  Waldron  

Towards  Regional  drilling!  •  <6  basement  penetra,ng  holes  

in  western  half  of  State!  •  Recent  regional  drilling  under  

Eucla  Basin  in  WA  reached  basement  within  400m  

2.  Discovering  new  Mineral  Systems  in  South  Australia  

•  Uno  Province  (southern  GRV  margins  –  northern  Eyre  Peninsula)  

•  1590  Ma  IOCG  and  associated  crustal  sec,on  into  other  mineral  systems?  

•  TRANSFORMATIONAL,  WORLD-­‐FIRST  Mineral  System  Drilling  collabora,on  with  DET  CRC  and  Industry  –  New  Technology  pull  through  –  Innova,ve  mapping  undercover  approach  –  Real  ,me  data  delivery  –  Industry  explora,on  collabora,on  

A  1590  Ma  crustal  sec9on  for  South  Australia?  

New  Eastern  Gawler  Craton  Solid  Geology  

•  6144  drillholes  (2558  of  them  targe,ng  IOCGs)            From:  Tom  Wise,  GSSA  2015  SAREIC  Presenta,on  

WUDINNA   KIMBA   WHYALLA  

PORT  AUGUSTA  Paris   Menninnie  

Dam  

Iron  Duke  

Uno  

PORT  LINCOLN  

Minotaur  Explora9on  

Kingston  Resources  

REGIONAL TO CAMP -Uno Province / Southern GRV margins

1590  Ma  Gawler  Range  Volcanics  cover  

Regional  Mineral  System  Drilling  From  $2  M  PACE  Fron,ers  fund  into  >  $7  M  program!  

Geological  Mapping  and  Geochronology  

AusLAMP  Magnetotellurics  grid  (~50  km)  

Regional  Metallogenic  

Studies  

Regional  Geochemistry  and  Mineralogy  (esp.  open  file  drill  samples)  

Coiled  Tubing  Drill  Rig  

Autonomous  Sonde  

Lab-­‐at-­‐RigTM  

3.  Discovering  new  Mineral  Deposits  in  South  Australia:  

Hillside  

Olympic  IOCG  Domain  

NE  Olympic  Domain  Mineral  Province    Gravity  (Dec  2013  release)  

•  ~$2M  PACE  funded  •  34,541  new  gravity  

sta,ons  at  1x1  km  and  2x2  km  spacing  

•  Included  in  Dept  of  Defence’s  Woomera  Prohibited  Area  (WPA)  

Subsequent  industry  infill  sta9ons  and    explora9on  drilling  

25  

Prospectivity modelling by Tom Wise

Inputs  from  New  Woomera  Prohibited  Area  Gravity  data  

IOCG  Mineral  system  target  prospec9vity  modelling  

Eastern Gawler Craton (GSSA / DET CRC)

•  Re-­‐assayed  95  DHs  

•  HyLogger  scanned  100s  of  DHs  

•  Collected  1000s  petrophysical  measurements  

•  Data  integrated  (regional  3D  model  release)  

•  Workflow  for  characterising  altera9on  (van  der  Wielen  et  al  2013;  Fabris  et  al  2013).  

•  IOCG  index  (commercialisa,on  with  Reflex  for  ioGAS  5.2  release)  

Olympic  Dam  -­‐  RU  39  5371  

Hema,te  and  granite  breccia   Altered  granite    (Roxby  Downs  Granite)  

Hema,te  breccia  

U3O8  

   

Cu      

Au  

White  mica:  dominance  of  muscovite  in    ore  zone  and  phengite  in  altera,on  zone  

Chlorite:  dom

inance  of    

Fe-­‐end

 mem

ber  in    

proxim

al  alte

ra,o

n  zone

 

0m   100m   200m   300m  

HyloggerTM data

Mineral  System  Map  for  enlarged  target  /  vectoring  

29  

•  Increase the size of the target •  Predict where you are within the mineral system

•  IOCG deposits - large alteration systems

Collabora9on  is  key!  •  PACE    •  Industry  collabora,on  •  Best  researchers  and  associated  geoscience  and  technology  

(e.g.  Universi,es,  CSIRO,  DET  CRC,  Service  Providers)  •  Na,onal  partnerships  (e.g.  Australia  Minerals,  Geoscience  Australia,  

NSWGS,  NT)  •  Interna,onal  partnerships  (e.g.  Sernageomin  (Chile),  Saskatchewan  GS,  

China  GS,  China  Na,onal  Nuclear  Corpora,on)  

$32  M  State  Drill  Core  Library  -­‐  Tonsley  

More  to  come,  stay  tuned….  

PACE Discovery Drilling

Round 8 of Drilling Collaborations •  27  successful  projects  •  $2  million  of  collaboraBve  drilling  

grants  •  $4.9  million  esBmated  addiBonal  

company  expenditure  •  ~$6.9  million  est.  total  program  

value      

7 Rounds of Drilling Collaborations •  438  drilling  proposals  •  217  receiving  PACE  support  •  154  Complete  

PACE Discovery Drilling

1 2 3 4 5 6 7 8 PACE 2.0 2.0 2.0 2.0 2.0 1.4 1.7 13.05 2.0

Actual 1.03 2.76 1.58 1.37 1.37 1.26 0.76 10.14 2.0 Industry 0.67 4.61 3.96 4.62 7.11 3.11 3.21 27.29 4.9 ($ in Million) 44+

7 Rounds of Drilling Collaborations •  438  drilling  proposals  •  217  receiving  PACE  support  •  154  Complete  

Discovery Drilling

1 2 3 4 5 6 7 8 PACE 2.0 2.0 2.0 2.0 2.0 1.4 1.7 13.05 2.0

Actual 1.03 2.76 1.58 1.37 1.37 1.26 0.76 10.14 2.0 Industry 0.67 4.61 3.96 4.62 7.11 3.11 3.21 27.29 4.9

($ in Million) $44 Mil

Geoscientst Assistance Program

GAP v 1.0 Strategic Partnership SACOME and DSD

•  July  2009  –  December  2012  •  50%  GAP  /  50%  Company  funded  contracts  •  33  placements  with  high  retenBon  rate  and  

progression  into  more  senior  roles  •  AddiBonal  funding  for  training  •  22  companies  •  ~$200,000  annual  expenditure  

Visit the SACOME website for

more information

Geoscientst Assistance Program

GAP v 2.0 3 to 6 month contracts

•  Maintain,  develop  and  diversify  the  States  geoscienBst  skill  base  

•  Minimise  the  loss  of  graduates  and  skilled  professionals  to  other  States  and  Sectors  

Opportunities for •  Field  and  Drilling  programs  •  Geophysical  placements  

Ask for Jonathon Forbes!

This  presenta,on…  •  3  main  parts  

1.  Introduc,on  (the  challenges)  2.  GSSA’s  ac,vi,es  (for  mee,ng  the  challenges)  3.   Curnamona  examples  (as  an  entrée  for  

Wednesday’s  Technical  Presenta9ons)  

South  Australian  Uranium  Occurrences  Map  –  Revised  seventh  edi,on.  2015  1:2  000  000  Wilson,  T.C,  Fairclough,  M.C.,  McAvaney,  S.O.  and  Kluske,  J.  (compilers)  

Wilson,  T.  2015.  Uranium  and  uranium  mineral  systems  in  South  Australia  –  Third  edi,on,  Report  Book  2015/00011.  Department  of  State  Development,  South  Australia,  Adelaide.  

Palaeodrainage  and  Cenozoic  Coastal  Barriers  of  South  Australia  2nd  Edi,on  2012    1:2  000  000  

Hou,  B.,  Fabris,  A.J.,  Michaelsen,  B.H.,  Katona,  L.F.,  Keeling,  J.L.,  Stoian,  L.,  Wilson,  T.C.,  Fairclough,  M.C.,  Cowley,  W.M.  and  Zang,  W.  (compilers).    

Geology  and  mineral  resources  of  Bimbowrie  CP  

Wolfgang  Preiss,  2014  GSSA  Report  Book  2014/00003  

NEW  RELEASE!  Mount  Painter  Map  and  fieldguide  

Steve  Hore,  2015  Steve  Hore  &  Steve  Hill    2015  

Youngest ICPMS dated zircons of the sampled suite are Permian.

Excava,on  of  the    ‘Sprigg  Costean’  exposing  the  Sprigg  Diamic,te  Member  in  1987  over-­‐looked  by  John  Drexel  and  Reg  Sprigg.

Introduc,on  of  the  Sprigg  Diamic,te  Member  during  a  MTEC  geological  educa,on  course    2009.

The  Sprigg  Diamic,te  exposed  in  ‘Sprigg  Costean’.  (2003)

Stephen  B  Hore,  Anthony  J  Reid  and  Steven  M  Hill  2015  Geochronology  provides  new  insights  into  one  of  South  Australia’s  most  enigma9c  rocks:  Defini9on  and  age  of  the  Sprigg  Diamic9te  Member,  northern  Flinders  Ranges,  South  Australia,  MESA  Journal  77    

New  geochronology  for  enigma,c  rock  in  key  field  sewng!  

AusLAMP SA 50km grid – current status (Stephan Thiel, GSSA)

43 Department of State Development

Australian Lithospheric Architecture Magnetotelluric Project Status as at 09 April 2014 •  Blue - sites completed •  Aqua – completed pending

data QC •  Green – sites currently

deployed •  Yellow – sites planned

AusLAMP extension – University of Adelaide

Disclaimer The  informa9on  contained  in  this  presenta9on  has  been  compiled  by  the  Department  of  State  Development  and  originates  from  a  variety  of  sources.    Although  all  reasonable  care  has  been  taken  in  the  prepara9on  and  compila9on  of  the  informa9on,  it  has  been  provided  in  good  faith  for  general  informa9on  only  and  does  not  purport  to  be  professional  advice.    No  warranty,  express  or  implied,  is  given  as  to  the  completeness,  correctness,  accuracy,  reliability  or  currency  of  the  materials.      The  Department  of  State  Development  and  the  Crown  in  the  right  of  the  State  of  South  Australia  does  not  accept  responsibility  for  and  will  not  be  held  liable  to  any  recipient  of  the  informa9on  for  any  loss  or  damage  however  caused  (including  negligence)  which  may  be  directly  or  indirectly  suffered  as  a  consequence  of  use  of  these  materials.      The  Department  of  State  Development  reserves  the  right  to  update,  amend  or  supplement  the  informa9on  from  9me  to  9me  at  its  discre9on.    

www.statedevelopment.sa.gov.au