The list of gold miners in Australia is long, including ants and termites. Here’s an article explaining that even trees are into it:
A group of researchers from Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO) has shown that plants can absorb gold particles deep underground and bring it upward through their tissues—a finding that could help mineral exploration companies mine for gold.
Eucalyptus tree roots can dig down 30 metres, or even deeper
The trees can can absorb and transport minerals from the surrounding soil and bedrock all the way up to their leaves
Here’s the link – interesting stuff: Gold Particles in Eucalyptus Trees Can Reveal Deposits Deep Underground
