Ciencia/Science

Where does gold come from?

The gold is an element, a mineral, a precious metal which is known by all of us and which is used in the industrial metallurgy, in the world of jewels and for our personal use. The gold is the most valued and coveted metal by the human being, because this mineral have been always of great value and attributed to power and rich.

Since ancient times, I am making reference to the Necropolis of Varna*, the human being have always felt seduced by the bright colors of the gold. This affinity made the human being to begin to use gold for different purposes in his own benefit and look for it in the most remote corners of the planet.

A great number of the population uses the gold for different purposes, but most of us do not even know or we do not even think where the gold comes from or which is the true value of this metal.

First of all we must understand that the gold is not the simple bar that one may imagine, to reach to the state of gold ingot or bar the mineral has to pass through a several numbers of artificial chemical processes; or the gold vein that one may see in the Western movies, this is a natural chemical process. The gold is a chemical element with great properties that transforms it into a precious metal.

Where does the gold come from? This is the key question. The origin of the gold is reduced to a complex chemical process which is not so easy to understand and which leads us far away from our world. When I say “far away” I mean to the stars, to the universe that surrounds us. Even though it may sound strange and fantastic, we can say that the gold is an alien mineral. But how can this be? Well the answer is easy. Just as I said a few lines above, we must see gold as what it is, a chemical element. This element needs to pass through different processes in order to reach the state of a precious metal. These processes are chemical reactions that need very high temperatures to take place, and these temperatures cannot be produced by the human hands, not even by the sun with all his energy. The only way these reactions can happen is when a star explodes and becomes a supernova. When a star reaches the end of its life it transforms into a supernova, a star of enormous proportions that ends with a huge explosion. But, the end of this star means the appearance of life in other solar systems, such as ours. In the core of that huge detonation, which is the result of an energy one million times higher than the one produced by our sun, is where all the heavy chemical elements that we know are formed, such as iron, gold, calcium, and so on. The explosion of a supernova means the expulsion of a great mass of radioactive waves. This waves can eradicate any kind of living being and life as we know it, but not everything is negative, because this explosion means the beginning of something new, a solar system, a nebula and so on. What we know by the name of Gold on Earth has its origins in the core of this enormous explosion. This explosion expels all the elements, which are originated in the core of the star, through the universe. So, the gold that we extract from the soil is even older than our sun and arrived to our planet through the expansive waves of the explosion of a supernova. According to the scientists and a study published in the magazine Nature, the gold have arrived to our planet through a massive asteroid impact that the earth suffered after its formation.

This is the answer to our question. From my point of view this answer falls short because explaining all the processes through which the gold passes from an element to a mineral is not an easy thing to do. Besides, the studies are just theories based on several observations done by many scientists and until know everything is theory because we cannot reconstruct our past, we can only theorize upon it.

For the ones interested in knowing more about this, in the section References you will find the links of my sources for my post.

Curiosities:

*Necropolis of Varna: In 1972 it was discovered in Varna (Bulgary) burial site from the Copper Age. This burial site is considered to be the remainings of the first European civilization that used gold in their daily life.

References:

http://discovermagazine.com/2012/jan-feb/53
http://en.wikipedia.org/wiki/Gold
http://www.amvarna.com/eindex.php?lang=2&lid=2&slid=&slid=1

This is a documentary from the History Channel where everything is explained.

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