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E 04/1131-I

LiveExploration LicenceShire of State Waters - (Wa) Offshore Minerals ActWest Kimberley M.F. District
Area
1,240ha
Expired
May 2026
3 months ago
WAMEX reports
53
WA median is 53
Report drilling
23
of 53 reports
State Waters - (Wa) Offshore Minerals Act Explore on the live map

Register summary

Holder
Cockatoo Island Mining Pty Ltd
Local government
Shire of State Waters - (Wa) Offshore Minerals Act, Shire of Derby-West Kimberley
Application received
30 Nov 1998
Commenced
29 May 2003
Expiry
28 May 2026
Term
5 Years (Extended)

Exploration history on this ground

53 historical WAMEX exploration reports intersect E 04/1131-I: 15 report geochemistry or sampling, 35 include a digital data package.
When this ground was worked · 51 of 53 reports dated
11950s
1960s
1970s
1980s
71990s
192000s
222010s
22020s
Most recent reports
ReportYearOperatorProject On this groundTitle
A124358 2020 Koolan Iron Ore Pty Ltd Koolan Island <1% Annual Report for C105/2004 Koolan Island Project for the period ending 29/05/2020
A125215 2020 Cockatoo Iron Nl Cockatoo Island <1% Annual Report for M04/235 Cockatoo Island for the period ending 02/10/2020
A120631 2019 Koolan Iron Ore Pty Ltd Koolan Island <1% ANNUAL REPORT for C105/2005 "KOOLAN ISLAND" for the period 30 May 2018 to 29 May 2019, E 04/01266,M 04/00416,M
A121742 2019 Cockatoo Iron Nl Cockatoo Island <1% Annual Report for Cockatoo Island M04/235 for the period 3 October 2018 to 2 October 2019
A115559 2018 Pluton Resources Limited Cockatoo Island 43% C243/2011 Annual Report for the period 1 November 2016 to 31 October 2017, Cockatoo Island, E04/1131, M04/235,
48 more reports
A117293 2018 Mount Gibson Iron Limited Koolan Island <1% Annual Report for C105/2004 Koolan Island Project for the period 30 May 2017 to 29 May 2018, E04/01266, M04/00
A118379 2018 Cockatoo Iron Nl Cockatoo Island <1% Annual Report for M04/235 Cockatoo Island Project for the period 03/10/2017 - 02/10/2018
A110685 2017 Pluton Resources Limited Cockatoo Island 43% Annual Report for the period 1 November 2015 to 31 October 2016, Cockatoo Island, E04/1131, M04/235, M04/448
A114338 2017 Mount Gibson Iron Limited Koolan <1% Koolan Project C105/2004 (E04/1407-I, E04/1266-I, M04/416, M04/417) Combined Annual Mineral Exploration Report
A109468 2016 Koolan Iron Ore Pty Ltd Koolan Island <1% Annual Report C105/2004 "Koolan Island" For the Period 30 May 2015 to 29 May 2016, E04/01266, E04/01407, M04/0
A106170 2015 Mt Gibson Iron Ltd Koolan <1% Koolan Project C105/2004 (E04/1407‐I, E04/1266‐I, M04/416, M04/417) Combined Annual Mineral Exploration Report
A104465 2015 Pluton Resources Limited Cockatoo Island 43% Annual Report for the period 1 November 2013 to 31 October 2014, Cockatoo Island, E04/1131, M04/235, M04/448 (
A107276 2015 Pluton Resources Limited Cockatoo Island 43% Annual Report for the period 1 November 2014 to 31 October 2015, Cockatoo Island, E04/1131, M04/235, M04/448
A102876 2014 Mt Gibson Iron Ltd Koolan <1% Koolan Project, Annual Report for the period 30/05/2013 to 29/05/2014, E04/1266 & 1407; M04/416 & 417 [C105/20
A96341 2013 Pluton Resources Limited Cockatoo Island 43% Annual Report for the period 1 November 2011 to 31 October 2012, Cockatoo Island, E04/1131, M04/235, M04/448
A98748 2013 Mt Gibson Iron Ltd Koolan <1% Annual Report Koolan Island Project E04/1266-I, M 04/416-I, M 04/417-I and introducing E04/1407-I West Kimber
A100567 2013 Pluton Resources Limited Cockatoo Island 43% Annual Report for the period 1 November 2012 to 31 October 2013, Cockatoo Island, E04/1131, M04/235, M04/448
A94415 2012 Mount Gibson Mining Ltd Koolan Island <1% Annual Report Koolan Island Project; 04/1266, M 04/416 and M 04/417 West Kimberley District WA For the period
A90862 2011 Mount Gibson Mining Ltd Koolan Island <1% Annual Report Koolan Island Project; E 04/1265, E 04/1266, M 04/416 and M 04/417, For the period 30th May 2010
A91980 2011 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo Island <1% Annual Technical Report,Cockatoo Island, Mining Lease M 04/235, Report Period: 03 October 2010 – 02 October 20
A90801 2011 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo Island 43% Annual Technical Report, Cockatoo Island, E04/1131, 29 May 2010 - 28 May 2011
A87338 2010 Mount Gibson Mining Ltd Koolan Island <1% Annual Report Koolan Island Project; West Kimberley District WA, For the period 30 May 2009 to 29 May 2010, Co
A88467 2010 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo Island <1% Annual Technical Report, Cockatoo Island, Mining Lease M 04/235, Report Period: 3 Oct 2009 – 02 Oct 2010
A87264 2010 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo Island 43% Annual Technical Report,Cockatoo Island, Exploration Licence E04/1131, Kimberley Mineral Field, WA, Report Per
A82854 2009 Mount Gibson Mining Ltd Koolan Island <1% Annual Report Koolan Island Project; E 04/1265, E 04/1266, M 04/416 and M 04/417, West Kimberley District WA F
A84920 2009 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo island <1% ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, MINING LEASE M 04/235,KIMBERLEY MINERAL FIELD, WESTERN AUSTRALIA
A82829 2009 Cliffs Asia Pacific Iron Ore Pty Ltd Cockatoo Island 43% ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, EXPLORATION LICENCE E 04/1131,KIMBERLEY MINERAL FIELD, WESTERN AUSTRA
A78962 2008 Mount Gibson Mining Ltd Koolan <1% Annual Report Koolan Island Project; E04/1265, E04/1266, M04/416 and M 04/417 West Kimberley District WA For t
A80254 2008 Portman Iron Ore Ltd COCKATOO ISLAND <1% ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, MINING LEASE M 04/235,KIMBERLEY MINERAL FIELD, WESTERN AUSTRALIA, Rep
A76603 2007 Portman Iron Ore Ltd Cockatoo Island iron ore <1% ANNUAL TECHNICAL REPORT COCKATOO ISLAND MINING LEASE M04/235 KIMBERLEY MINERAL FIELD WESTERN AUSTRALIA FOR THE
A75593 2007 Portman Iron Ore Ltd Cockatoo Island 43% Annual Technical Report,Cockatoo Island Exploration Licence E04/1131,Kimberley MIneral Field, WA,
A76158 2007 Mount Gibson Mining Ltd Koolan <1% Annual Report on Exploration in E04/1265, E04/1266, M04/416 and M04/417 Koolan Island, For the period 29 May 2
A78991 2007 Portman Iron Ore Ltd Cockatoo 43% ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, EXPLORATION LICENCE E 04/1131,KIMBERLEY MINERAL FIELD, WESTERN AUSTRA
A72776 2006 Portman Iron Ore Ltd Cockatoo Island 43% Annual Technical Report, Cockatoo Island E04/1131, For the Period 29 May 2005 to 28 May 2006, (Yampi).
A73686 2006 Portman Iron Ore Ltd Cockatoo Island iron ore <1% Annual Technical Report, Cockatoo Island M04/235, For the Period 3 October 2005 to 2 October 2006, (Yampi).
A72946 2006 Aztec Resources Ltd Koolan Island <1% Annual Report on Exploration in E 04/1265, E 04/1266, M 04/416 and M04/417, Koolan Island, West Kimberley Dist
A70817 2005 Portman Iron Ore Ltd Cockatoo Island iron ore exploration 43% Annual Technical Report, Cockatoo Island, Exploration licence E 04/1131, Kimberley mineral field, Western Aus
A71418 2005 Portman Iron Ore Ltd Cockatoo Island <1% Annual technical report, Cockatoo Island, Exploration licence M04/235, Kimberley mineral field Western Austral
A69483 2004 Koolan Iron Ore Pty Ltd Koolan Island <1% Annual report on exploration in EL040/1266, Koolan Island, West Kimberley District, WA for the period 30th May
A68884 2004 Portman Iron Ore Ltd Cockatoo Island 43% Annual technical report, Cockatoo Island, Exploration Licence E04/1131, Kimberley Mineral Field, WA, for the
A63599 2001 Dampier Mining Co Ltd Cockatoo Island <1% Cockatoo Island Project, Annual Report for the period 01/06/1980 to 31/05/1981, ML04/10-12 & 43.
A64093 2001 Portman Iron Ore Ltd Cockatoo Island <1% Annual Technical Report, Cockatoo Island Project, M04/235, for the period 3 October 2000 - 2 October 2001.
A61139 2000 Koolyanobbing Iron Pty Ltd Cockatoo Island <1% Non-statutory Report Tailings Storage Decommissioning, Cockatoo Island Iron Ore Beneficiation Project, M04/23
A59450 1999 Nugold Hill Mines Nl Cockatoo Island <1% Annual Report, Mining Lease M04/235, Cockatoo Island 3 October 1998 to 2 October 1999
A56560 1998 Nugold Hill Mines Nl Cockatoo Island <1% Cockatoo Island 03/10/97 - 02/10/98 Mining Lease M04/235
A52918 1997 Nugold Hill Mines Nl Cockatoo Island <1% Annual Report Mining Lease M04/235 Cockatoo Island 03/10/96-02/10/97
A49415 1996 Nugold Hill Mines Nl Cockatoo Island <1% Annual report Mining Lease M04/235 Cockatoo Island 3 October 1995 - 2 October 1996
A39453 1993 Nugold Hill Mines Nl Cockatoo Island <1% Annual Report for the period 03/10/92-02/10/93 Cockatoo Island Project M04/235
A36510 1992 Bhp Minerals Pty Ltd Cockatoo Island <1% Brief Technical Report On need for ML04/137 Cockatoo Island
A37021 1992 Nugold Hill Mines Nl Cockatoo Island <1% Cockatoo Island Project, Annual Report for the period 03/10/1991 to 02/10/1992, M04/235.
A70961 1950 Aztec Resources Ltd Koolan Island <1% Annual report on Exploration in EL040/1266 Koolan Island, West Kimberley District WA, for the period 30th May
A42715 1753 Nugold Hill Mines Nl Cockatoo Island <1% Annual report Mining Lease M04/235 Cockatoo Island WA 3 October 1993 - 2 October 1994
A45885 1753 Nugold Hill Mines Nl Cockatoo Island <1% Annual report , M04/235, Cockatoo Island 3 October 1994- 2 October 1995
Doing your homework on this ground? The register summary above tells you the tenement exists and who holds it. The checks below tell you whether it is clean: what is secured against it, whether it is meeting its minimum expenditure commitment, what conditions attach to it, and how long the current holder has actually had it.

Tenure detail Free account

Current holders & shares
Holder change history
Expenditure history
Conditions & endorsements
Native title context
Combined reporting
Rent status

Tenement intelligence Premium

Time to expiry
Past expiry date · 28 May 2026
At-risk & opportunity signals
Expenditure compliance
5-year track record
Spend trend & exploration intensity
Expiry band
Ownership age
Dealings, mortgages & caveats
Transfer history

What does the exploration record say about this ground?

NextMaps reads every WAMEX report over E 04/1131-I into a referenced prospectivity assessment: the geology, the historical programs, the drill intercepts and geochemistry, and the untested gaps — every claim cited back to its source report. New accounts include a free prospectivity report. Prefer the raw due diligence? The Tenure Pack bundles the full register record, tenure history and spatial datasets for this ground.

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Tenure data sourced from the DMPE public registers and SLIP WA (© Government of Western Australia, CC BY 4.0), as at 2026-08-21. Compiled by NextMaps. Verify against primary sources before reliance.