How Did Gold Deposits Appear?
Since the early days of history, gold has been considered one of the world's most precious metals, being used for coins, jewelry and other purposes as well. Nowadays, it is very sought-after in the form of gold bullion as well, because its value isn't affected by economical and currency crises.
Many people show interest in the origin of gold, the way in which it was created. The truth is that, being a chemical element, gold wasn't so much created as it is a result of the collision of neutron-filled stars millions of years ago. Ever since then, it has been part of our planet's geological structure and can be found in rocks, veins or alluvial deposits. Bearing this in mind, the issue is not the formation of the metal, but that of the deposits from which we extract it.
One of the most popular theories that geologists have come up with states that many deposits were formed by underground waters that flowed under the influence of hot magma and penetrated the crust of Earth up to 2 to 5 miles from the surface. As they heated, the waters dissolved pieces of the surrounding rocks; then, as they chilled, the metallic particles gathered and formed gold veins.
The magma theory also attempts to explain the origin of metal deposits, suggesting that the particles come from volcanic magma that cools down when it reaches low temperature areas. This clarifies why we are able to find gold in granites, which are composed of solidified magma.
The third hypothesis offered to the public is that, when mountains were formed, the rocks were subjected to extremely high temperature and pressure, causing them to undergo chemical modifications. Afterward, as they cooled down and the pressure lowered, they eliminated mineral-rich water. The metal particles in this water gathered and formed gold ore.
Whichever hypothesis might turn out to be true, the vital thing is for mankind to always treasure the planet's natural resources and not abuse them. We can only keep enjoying the benefits they bring if we preserve them and teach the future generations to do the same.
Article Source: FxTradingStock.com
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Investing in gold bullion - let the specialists teach you how.
by: Jack Wogan
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Date: Thu, 22 Jul 2010
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