Friday, 4 November 2011

The area of Ile de France

La Brie:

Brie is a French natural area east of the Paris Basin, between the valleys north of the Marne, the Seine to the south, and Côte d'Ile-de-France in the east. It covers an area of approximately 5000 km ². The inhabitants of the Brie are called Briards.

Brie is mainly in the department of Seine-et-Marne, but also extends into neighboring departments: Aisne, Aube, Essonne, the Marne and Val-de-Marne.

The main towns are Brie-Comte-Robert, Coulommiers, Château-Thierry, Montereau-Fault-Yonne, Meaux, Nangis, Provins and Melun.

In addition to the Seine and the Marne, which mark the limits of this territory, the main rivers are the Grand Morin, the Petit Morin, Yerres, and Voulzie.

The main forest areas are Armainvilliers Forest, the Forest of Crecy-la-Chapelle, the Forest of Ferrieres, the Forest of Notre Dame, and the Forest of Senart Forest Villefermoy.

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The Hurepoix is a former province of the kingdom of France and French natural area located in the southwest region of Île-de-France, mainly in the Essonne department, with part of the territory of Yvelines, Hauts-de-Seine and Val-de-Marne. Dourdan is the historic capital, but Evry became the Prefecture and the main urban center.

It is bounded on the north by Paris, to the west by the forest of Rambouillet in Mantois, east of the Seine, the forests of Fontainebleau and the Gâtinais Sénart in Brie, on the south by the plains of Beauce. The soil is mainly of Hurepoix marl, sand and clay for the extraction of millstone. Residue recoveries by the sea of the Paris basin, some plateaus are covered with loess.

Major rivers:
Essonne, the June, barley, Yvette, the Bievre, the Rémarde, the Vixen

Main forests:
Forest of Verrieres-le-Buisson, Forest Dourdan

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The country (area) of France:

The country of France, now called Paris or rather plain of France, is a natural area located in the administrative region Ile de France north of Paris. It is essentially a plain silty dedicated to the great grain crop, including the southern part is encompassed in the northern suburbs of Paris and is highly urbanized. It also Roissy-Charles de Gaulle.

This region is the historic cradle of the Ile de France and it was she who gave his name to France.

Administratively, it corresponds approximately to the east of the Val d'Oise and part of the Seine-Saint-Denis.

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Le Vexin Français:

The French Vexin is a former province of France, located in the northwest of the Ile de France and a small part of Picardy straddles the departments of the Val d'Oise Yvelines and the Oise. Although forming now with the city of Cergy a city contrasting with the rural character of the French Vexin, Pontoise is the historic capital.

The geology of the French Vexin, incorporation of the Paris basin, is characterized by its sedimentary nature.

The basement includes several types of overlying rocks. The first is the Campanian white chalk, the oldest, dating from about 80 million years and about eighty feet thick, which outcrops in the valley bottoms. It is topped by a layer of limestone Montien (65 million years), building stone vexinoise par excellence, followed by layers of clay and sand of the Ypresian, including clays Sparnacian, thick five to fifteen meters, waterproof character causes the appearance of lines and sources of funds makes marshy valleys. This layer is topped by sand Cuisian, from ten to thirty feet thick.

Then there is the large mass of Lutetian limestone, of a thickness of twenty to forty meters, which is the foundation of the plateau of Vexin. Its presence explains the existence of karst. The layers of Bartonian its successors (40 million years) are alternated sandstone and sand the Auversian and limestone of St. Ouen, and finally the sands of Marinesian, thick five to thirty meters.

A little more ... français

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