Chinese leaders have threatened in the past to retaliate against raised trade barriers, but have yet to take direct action following Trump's announcement.
The Cadia gold mine stop producation after a dam collapse.
Few Countries and global companies are exposed to the risk of contagion.
While the cost of gold is increasing in value, the mining production of the main gold companies is decreasing sharply, recording a 15% decrease.
The Chinese Government has reacted and is imposing 34 billion $ in customs duties on America; India and China will soon form an "oil buyers club"; China and Russia reach a joint Gold Mining Project agreement in Siberia.