The funds will provide capital for what the company is calling the "most significant" exploration program ever initiated on its projects in northern Canada.
This month, Perpetua’s modified mine plan was identified as the preferred alternative due to improvements in water quality and temperature and site access benefits.
The Responsible Minerals Initiative said this week that its auditing process won’t recognize the findings of the International Tin Supply Chain Initiative without companies doing extra due diligence on the source of their minerals.
ITSCI is a private sector scheme monitoring tin, tantalum and tungsten mines in Democratic Republic of Congo, Rwanda, and Burundi for human rights abuses.