The head of a mineral extraction company says New Zealand's rich in some of these sought-after critical minerals. 

New Zealand and the United States are reportedly discussing a 'non-binding' framework relating to critical minerals as the US looks to reduce reliance on China. 

Geo40 CEO John Worth says there's silica, lithium and antimony to name a few. 

"I think we're relatively small by international standards, but there's enough interesting stuff here." 

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