Below is the news article containing the relevant information and links. In short they discovered that certain trees (in this case the eucalyptus tree) could have detectable levels of gold in the leaves, if there were deposits of gold deep below them.
"Dr Mel Lintern, a geochemist from Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO), said: "We've found a lot of the easy deposits in Australia and elsewhere in the world as well.
Now we are trying to tackle finding these more difficult ones that are buried beneath tens of metres of river sediments and sand dunes.
And the trees are providing us with a method to be able to do this."
and
"Dr Lintern said: "We believe that the trees are acting like a hydraulic pump. They are bringing life-giving water from their roots, and in so doing, they are taking smaller dissolved gold particles up through the vascular system into the foliage."
They believe that the analysis of plants and vegetation has the potential to be a more cost and environmental friendly way of finding new deposits. Thought I would post it here as it might be of interest to some people.
BBC News - Gold in trees leads to hidden deposits
"Dr Mel Lintern, a geochemist from Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO), said: "We've found a lot of the easy deposits in Australia and elsewhere in the world as well.
Now we are trying to tackle finding these more difficult ones that are buried beneath tens of metres of river sediments and sand dunes.
And the trees are providing us with a method to be able to do this."
and
"Dr Lintern said: "We believe that the trees are acting like a hydraulic pump. They are bringing life-giving water from their roots, and in so doing, they are taking smaller dissolved gold particles up through the vascular system into the foliage."
They believe that the analysis of plants and vegetation has the potential to be a more cost and environmental friendly way of finding new deposits. Thought I would post it here as it might be of interest to some people.
BBC News - Gold in trees leads to hidden deposits
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