Bel Colle
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Monvigliero vineyard

The area of Verduno named Monvigliero has always been considered the best of the municipality,but also among the best in all of the area for producing Barolo wine. It is a natural amphitheatre exposed south-westerly, to the classic afternoon sun, where the particular microclimate exhalts the production of a Barolo wine which is very fragranced and delicate with a balanced body and with soft tannins. An extremely long lasting wine which preserves these characteristics through time.

Borgo Castagni vineyard

Borgo Castagni is a synonym of Bel Colle, in fact the wine cellar stands in this locality which joins both Verduno and La Morra. They are household vineyards where the vegetative production is controlled and monitored daily by Belle Colle from pruning to gathering. It is exposed towards west-southwest and wines produced on calcareous-clay land with gypsum veining have an olfactory component which is unique for its intensity and persistence joined with an excellent colouring intensity.


The territory’s geology

The hills of the Langa surfaced for the first time about 30 million years ago, when the Thetis withdrew. The territory was formed by rocks originating from marine sedimentation during the periods of the Tertiary age starting from the most antique Eocene (55-37 million years ago) following on in the successive Oligocene (37 – 23) and Miocene (23 – 5) which produced a whole series of floor stratifications which differ for the structure and granulometry according to their distance from the coast.

Their origin and following surfacing was connected to orogenetic phenomenons responsible for the formation of the Alps. The alpine chain originated (about 40 million years ago) from that series of phenomenons of compression and folding connected to the movement of the areas of the European and African continents. In this first phase the Thetis ocean was divided in various internal seas.

The following Oligocene period was a relatively calm one of collisional movement during which the area of the Ligurian Maritime Alps and therefore the Langa endured a slow subsidence until being newly covered by a sea which was not very deep.

Successively, at the end of the Miocene the continuous movement of the African area against the European one caused the formation of mountainous chains between southern Spain and North Africa and therefore causing the closure of the Strait of Gibralta, completely isolating the first Meditteranean from the Ocean and carrying out the complete emerging of the Langa.

At the beginning of the Pliocene (about 5 million years ago) the continuous movement between Africa and Europe provoked the seperation of Spain and Africa again allowing the Ocean to flow into the Mediterranean basin again. The Langa remained on the surface but the sea covered the lower part again, that between Alessandria and Cuneo.

At the end of the Tertiary age new compression towards north brought about the slow rising of the entire Piedmontese territory and the definite withdrawal of the Po Sea and the formation of the current hilly areas in the Langa, that with time were changed by the erosion of water streams. The old geologic eras ended at the beginning of the Quaternary age (about 11,5 million years ago) the same that we find ourselves in today. The “scenery” was complete and a strange actor could enter onto the scene to start his recital on these hills: man.

During this long period of time, about 40 million years, the rocks that formed the land have changed profoundly, starting from the Pretertiary base which forms the substrate on which the sedimentation of the Piedmontese Tertiary Basin has placed itself over millions of years, which range from sandstone stratum (the most compact gave origin to the Langa’s stone), to shaley-calcareous marls (the popular Ton or Tov) to sedimentary rocks containing gypsum/sulphide, very diffused in the town of Verduno and are probably the origin of spicy fragrances of wine produced here.

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