Act's growth strategy included replacing "the welfare system that has impoverished Northland for generations" with industries based on natural resources, he said.
But Bryce Smith, from iwi environmental group Te Wakameninga o Nga Hapu Ngapuhi, described Act's mining aspirations for Northland as outdated and "archaic in the suggestion that Maori would want to be slaves to mining in the name of progress".
Mr Smith said should a mining application ever be lodged it would struggle to get past the Environmental Protection Authority, that is charged with protecting New Zealand's people and environment, and economic, cultural and social development.
He said mining in Northland was a national, not just regional issue, and there was a strong alliance between Maori throughout New Zealand regarding matters of environmental protection.
Convenor of the Puhipuhi Mining Action Group, Jenny Kirk said there were better future employment options for Northland than mining, and it is those the Act Party should be investigating.