Mines D’Or Orbec
The business, the turning points, and the decisions behind them.
Some sections are still being researched2 / 4
Sections to complete:02 · 05
01 / WHAT IT BUILT
What the company did
Mines D'Or Orbec Inc. is a Canadian gold exploration company, formerly known as Blue Thunder Mining Inc. until it changed its name in July 2024. Listed on the TSX Venture Exchange under the ticker BLUE, it owned 100% of the Muus gold-copper project covering about 25,250 hectares in the Abitibi Greenstone Belt near Chibougamau, Québec, adjacent to and on strike with IAMGOLD's Nelligan Gold Project. In December 2025, IAMGOLD completed the acquisition of Mines D'Or Orbec; its shares were delisted and it ceased to be a reporting issuer.
02 / FAILURE REASONS
Material for this section is being gathered and checked. It will appear here once ready.
03 / EVENT HISTORY
Events in the structured record
- Name change
Blue Thunder Mining Inc. changes its name to Mines D'Or Orbec Inc. in July 2024.
- Acquisition
IAMGOLD Corporation completes the acquisition of Mines D'Or Orbec in December 2025; Orbec shares are delisted from the TSX Venture Exchange.
04 / CONTEMPORARY REBUILD ASSESSMENT
Difficulty of rebuilding this project today
Material for this section is being gathered and checked. It will appear here once ready.
Overall assessment: Not completed
05 / CAUSAL CHAIN / AFTERMATH
Material for this section is being gathered and checked. It will appear here once ready.
