While the Thacker Pass JV should supply GM with a "significant" amount of its lithium, the company is open to other critical minerals deals on the continent, Jeff Morrison, GM's senior vice president of global purchasing and supply chain, said in an interview on Thursday.

General Motors (GM) is increasing its investment in a Nevada lithium mine and its operator to almost $1 billion as it looks to secure a long-term supply of a critical mineral for electric vehicle batteries.