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Because of the process of orogenesis and they felt protected.
(which formed mountain chains, such as Later, around the VIII century, the
the Alps) part of the shale went through Langobards came. They occupied the
some chemical and physical changes. area until the Francs came. Carlo
These rocks, in fact, have been subjected Magno appreciated the fresh air and
to compressive forces and heat which loved the mysterious landscape that hid
slowly converted clay minerals into platy a big treasure.
metamorphic minerals such as muscovite, After them through the centuries
.graphite and biotite The alignment in Saracens, various Abbeys and the
Savoia reigned the territory.
parallel orientation and the folding of the Since the Stone Age, a historical legend
new rock indicate that Schist has been had been preserved through generations
formed. This is what happened in the area in that area. It was known that on the
that is now called Giaveno, in Sangone top of a mountain there was a peculiar
valley (Piemonte). rock called schist. Whoever found that

Many civilities, throughout history, chose rock on the ground, would have become
Giaveno as a home. The first known to rich and glorious. And even though the
have inhabited the area, in the valley saw itself being crossed by
prehistoric era, were the valorous soldiers, such as the Partisans,
Taurini, Vibelli and Magelli. the existence of the famous rock
These Celtic populations remained a legend.
established The mystery was meant to be unveiled.
themselves in the In 1980 an earthquake shook Giaveno
valley as it and made the famous schist tumble
was down near a lake under the mythic
calm mountain.
One day a father with his son, living in
Giaveno, went on a trip around the Alps
to breath some fresh air. Once they
arrived, they found a lake where they
started playing by throwing stones. The
one that would have thrown farther the
stone would have won the match. It was
the turn of the son when his father
stopped his hand; it wasn't a simple
rock, it was the schist!
The father knew that in the geology
museum of Tourin, the only missing
rock of the Alps rocks collection was the
schist. The father took immediately the
rock to the museum where he was well