Certain theories related to the formation of the planet state heavy iron sank to the middle of the Earth's core during the formation of the planet, and it took other elements along where gold remained near the surface.
Some other research state gold would have been ten times more common if it was present at the time of the planet's formation, and so, it must have arrived later after the planet's formation from outer space.
Currently, 85 per cent of the gold is in circulation, and it accounts for a small part of the crust, but it is not economically feasible to extract it from the core.
How much is gold worth?
Investors are targeting a gold price per ounce UK record high of $2000 in the next few years; however, now the rate is under $1500, and its market continues to pick up due to short-term sentiment shifts.
Theories about its origin
The study by researchers at the University of Bristol found, on examining the oldest rocks on Earth, that precious metal can be found in the Earth's outer layers.
The test on a rock from Greenland found that the metal tungsten was present in the rock, a rare metal. Researchers believe tungsten and its isotopes must be present in the core.
The outer layer has a lot of precious metals, which can be found on the entire surface of the Earth within the four-meter thickness, and it is also believed that such rare metals can be found in abundance in the Earth's silicate mantle.
The theory of Earth's formation during the supernovae and neutron star collision has been made, where it is believed that the yellow metal must have been formed from the r-process.
There are concepts of processes like nuclear fission or fusion, or radioactive decaying, which could have resulted in the formation of the metal.
Why invest in gold and how to invest in gold?
One theory states the presence of such precious metals in the outer layer could be attributed to a meteorite shower, which hit the Earth once its core was formed.
The yellow metal is not formed through decomposition or heavy temperature. It is not like a diamond or gems. Most scientists believe it came from outside and stuck on the planet billions of years ago.
Hence, a diamond can be artificially made using high temperature and pressure, but gold cannot be produced in the laboratory. Several previous attempts to convert lead into gold have failed because no chemical reaction can change one element into another.
The yellow metal provides a hedge against market risks and is preferred by investors for long-term investment, but the gold price per ounce UK is becoming an important factor.
The Nature GeoScience report claims the veins of gold can be formed in seconds. It is the process which takes place along the faults where fluids circulate along the faults at the time of the earthquake. It can be formed from high-pressure water where gold is trapped in quartz or granite and dissolves and vaporizes during an earthquake.
Many asset managers are worried about volatility in prices due to sentiment shifts. However, the investment uncertainty in the market is not expected to go away soon as the interest rates may remain low amidst geopolitical instability and trade tensions.
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