Jim Gordon's answer to:
Gold: How does the earth develop gold?
Actually, the Earth probably doesn't develop or create gold or any elements (except insofar as humans cause nuclear fusion reactions.)
CREATION OF ELEMENTS
The Earth's internal nuclear processes may create some atoms, but it's more likely that the Earth's atoms of gold (and all sorts of elements) were created in our Sun's nuclear fusion reaction (skipping over the Big Bang discussion of how the Solar System was created.)
For many years, scientists had theorized that the heavy elements of the periodic table, such as gold, platinum, lead and uranium, had their origin in supernova explosions. But an astronomical observation in June has produced evidence that such metals come from something even more exotic: the collisions of ultra-dense objects called neutron stars.
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