While walking we will have crossed these small luminous plates several times, but have you ever wondered what golden nails really are? Let’s find out.
Archaeologist (Image from Pixabay)
Everything on our planet (including human beings) is the result of a very long process of evolution that lasted millions and millions of years. This means that the Earth has undergone impressive changes which have obviously left a very obvious mark.
Any signal, even the smallest, is of fundamental importance for understanding this long evolutionary journey that has allowed us to better know the history of our ancestors, how they lived on Earth and what their uses and customs were.
Now we are going to tell you about something never seen before, we probably never noticed it even though we met them on our way. These are “golden nails” found in the ground. To come across one of them is to find yourself in a place of extreme importance for the scientific world.
Golden nails, what are they? Is it possible to find someone in Italy too? The details of the discovery
As we mentioned, we will talk about the presence of the “golden nails” also identified with the name of Global Stratotype Section and Point (GSSP). Where are? What are?
By GSSP we mean a kind of rocky succession that constitutes geosites that are indispensable for the realization of the evolutionary and chronological process of our planet. Inside them is a specific point that represents two floors of the world standard chronostratigraphic scale.
The geosites, in practice, placed next to each other define the formation of two different geological ages and above all clearly indicate which contains the greatest amount of information (eg chemical, geomagnetic, radiometric and palentological) of the ages which it delimits.
Where are the golden nails? Are there also examples in Italy? They are obviously spread all over the planet and in our country there are twelve examples. We remember, for example, Calabria (in the province of Crotone), but also the Marches, the Dolomites and Lombardy.
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As we mentioned, these are elements that define the different geological ages. Examples in Italy refer to the Triassic, Pleistocene and Pliocene.