L 04/143
L 04/143 is a live miscellaneous licence in the Shire of Derby-West Kimberley, Western Australia, held by Cockatoo Island Mining Infrastructure Pty Ltd. Granted on 14 Apr 2026 for 21 years, it expires on 13 Apr 2047. The ground is covered by 15 historical WAMEX reports.
Register summary
- Holder
- Cockatoo Island Mining Infrastructure Pty Ltd
- Local government
- Shire of Derby-West Kimberley
- Application received
- 21 Aug 2025
- Commenced
- 14 Apr 2026
- Expiry
- 13 Apr 2047
- Term
- 21 Years
The full record on L 04/143
The register summary says who holds it today. The rest of the record says how they came to, what is attached to it, and whether it is being worked.
- Current holders and their shares (no change of holder on record)
- The full record: 4 conditions and 15 endorsements
- Native title context, combined reporting and rent status
- At-risk and opportunity signals, and expenditure compliance over five years
- Every register dealing (1 on record), with mortgages, caveats and transfers flagged
- Expiry band, and how long the holder has had it
Exploration history on this ground
| Report | Year | Operator | Project | On this ground | Title |
|---|---|---|---|---|---|
| A115559 | 2018 | Pluton Resources Limited | Cockatoo Island | <1% | C243/2011 Annual Report for the period 1 November 2016 to 31 October 2017, Cockatoo Island, E04/1131, M04/235, |
| A110685 | 2017 | Pluton Resources Limited | Cockatoo Island | <1% | Annual Report for the period 1 November 2015 to 31 October 2016, Cockatoo Island, E04/1131, M04/235, M04/448 |
| A104465 | 2015 | Pluton Resources Limited | Cockatoo Island | <1% | 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 | <1% | Annual Report for the period 1 November 2014 to 31 October 2015, Cockatoo Island, E04/1131, M04/235, M04/448 |
| A96341 | 2013 | Pluton Resources Limited | Cockatoo Island | <1% | Annual Report for the period 1 November 2011 to 31 October 2012, Cockatoo Island, E04/1131, M04/235, M04/448 |
10 more reports
| A100567 | 2013 | Pluton Resources Limited | Cockatoo Island | <1% | Annual Report for the period 1 November 2012 to 31 October 2013, Cockatoo Island, E04/1131, M04/235, M04/448 |
| A90801 | 2011 | Cliffs Asia Pacific Iron Ore Pty Ltd | Cockatoo Island | <1% | Annual Technical Report, Cockatoo Island, E04/1131, 29 May 2010 - 28 May 2011 |
| A87264 | 2010 | Cliffs Asia Pacific Iron Ore Pty Ltd | Cockatoo Island | <1% | Annual Technical Report,Cockatoo Island, Exploration Licence E04/1131, Kimberley Mineral Field, WA, Report Per |
| A82829 | 2009 | Cliffs Asia Pacific Iron Ore Pty Ltd | Cockatoo Island | <1% | ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, EXPLORATION LICENCE E 04/1131,KIMBERLEY MINERAL FIELD, WESTERN AUSTRA |
| A75593 | 2007 | Portman Iron Ore Ltd | Cockatoo Island | <1% | Annual Technical Report,Cockatoo Island Exploration Licence E04/1131,Kimberley MIneral Field, WA, |
| A78991 | 2007 | Portman Iron Ore Ltd | Cockatoo | <1% | ANNUAL TECHNICAL REPORT,COCKATOO ISLAND, EXPLORATION LICENCE E 04/1131,KIMBERLEY MINERAL FIELD, WESTERN AUSTRA |
| A72776 | 2006 | Portman Iron Ore Ltd | Cockatoo Island | <1% | Annual Technical Report, Cockatoo Island E04/1131, For the Period 29 May 2005 to 28 May 2006, (Yampi). |
| A70817 | 2005 | Portman Iron Ore Ltd | Cockatoo Island iron ore exploration | <1% | Annual Technical Report, Cockatoo Island, Exploration licence E 04/1131, Kimberley mineral field, Western Aus |
| A68884 | 2004 | Portman Iron Ore Ltd | Cockatoo Island | <1% | Annual technical report, Cockatoo Island, Exploration Licence E04/1131, Kimberley Mineral Field, WA, for the |
| A63599 | 2001 | Dampier Mining Co Ltd | Cockatoo Island | 8.2% | Cockatoo Island Project, Annual Report for the period 01/06/1980 to 31/05/1981, ML04/10-12 & 43. |
What does the exploration record say about this ground?
NextMaps reads the WAMEX reports over L 04/143 into a referenced prospectivity assessment: the geology, the historical programs, the drill intercepts and geochemistry, and the untested gaps, with every claim cited back to its source report. New accounts include a free report (how the reports work). Prefer the raw due diligence? A Tenure Pack bundles the full register record, tenure history and spatial datasets for this ground.
Get the free report Full register record on the mapDo you hold L 04/143? Listing is free. A facilitation fee applies only if the ground ends up with a buyer we introduce.
List this tenementTenure data sourced from the DMPE public registers and SLIP WA (© Government of Western Australia, CC BY 4.0), as at 2026-10-08. Compiled by NextMaps. Verify against primary sources before reliance.