G 04/55
LiveGeneral Purpose LeaseShire of Derby-West KimberleyWest Kimberley M.F. District
G 04/55 is a live general purpose lease in the Shire of Derby-West Kimberley, Western Australia, held by Koolan Iron Ore Pty Ltd (part of MGX Resources Limited). Granted on 17 Mar 2026 for 21 years, it expires on 16 Mar 2047. The ground is covered by 17 historical WAMEX reports.
Area
3.904ha
Expires
Mar 2047
in 20 years
WAMEX reports
17
WA median is 53
Report drilling
12
of 17 reports
Free Tenure Pack for G 04/55
The due diligence on this title in one report: register and compliance, every dealing, the
history of the ground, drilling, geochemistry and land access. New accounts get one free.
For G 04/55 that covers 17 WAMEX reports · 7 earlier titles on the ground since 1800 · 1 native title determination · no conservation land.
Register summary
- Holder
- Koolan Iron Ore Pty Ltd
- Part of
- MGX Resources Limited (ASX:MGX) as at 2025-06-30
- Local government
- Shire of Derby-West Kimberley
- Application received
- 5 June 2025
- Commenced
- 17 Mar 2026
- Expiry
- 16 Mar 2047
- Term
- 21 Years
The full record on G 04/55
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.
Free account
- Current holders and their shares (no change of holder on record)
- The full record: 2 conditions and 13 endorsements
- Native title context, combined reporting and rent status
Premium
- At-risk and opportunity signals, and expenditure compliance over five years
- Dealings, mortgages, caveats and transfer history
- Expiry band, and how long the holder has had it
Exploration history on this ground
17 historical WAMEX exploration reports intersect G 04/55: 4 report geochemistry or sampling, 16 include a digital data package.
Work on record: RC drilling 11 · Mineral resource estimate 10 · Mining 9 · Mine production 7 · Aerial colour photography 6 · Diamond drilling 6. Resource declared in A117293 (2018), A114338 (2017), A106170 (2015), A98748 (2013) and 6 more.
Rather than open these one by one on the DMPE site,
have them read into one cited report on G 04/55, free for new accounts.
When this ground was worked
11950s
1960s
1970s
1980s
1990s
52000s
102010s
12020s
Most recent reports
| Report | Year | Operator | Project | On this ground | Title |
|---|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
12 more reports
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
What does the exploration record say about this ground?
NextMaps reads the WAMEX reports over G 04/55 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 G 04/55? Listing is free. A facilitation fee applies only if the ground ends up with a buyer we introduce.
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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 2026-10-08. Compiled by NextMaps. Verify against primary sources before reliance.