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La Pointe du Chay is a limestone promontory, about 5 kilometres from La Rochelle, France, between the seafront of Aytré and Angoulins. La Pointe du Chay is composed of layers of limestone dating back to the Sequanian stage (upper Oxfordian stage) of the Jurassic period (circa 160 million years ago), when a large part of France was submerged. These rocks were formed by the accumulation of organisms falling on the seabed, where they solidified. This happened at the time dinosaurs were roaming the earth.

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  • La pointe du Chay est un promontoire calcaire situé à environ 5 kilomètres de La Rochelle, entre les plages d'Aytré et d'Angoulins en Charente-Maritime. La pointe du Chay, connue pour ses falaises contenant de nombreux fossiles, est composée de couches sédimentaires calcaires datant du Kimméridgien. Elles se sont créées en une longue période de submersion, par l'accrétion de micro-organismes sur les fonds marins, où ils se sont solidifiés. Ces couches sont aujourd'hui parfaitement visibles sur les falaises qui bordent le littoral, et contiennent de nombreux fossiles d'animaux marins (qu'il est interdit de ramasser). Elles mettent en évidence d'épaisses couches de roches blanches alternant avec des couches de sable et vase très friables, formées durant les périodes glaciaires, et avec des couches contenant divers coraux, formées durant les périodes tropicales. (fr)
  • La Pointe du Chay is a limestone promontory, about 5 kilometres from La Rochelle, France, between the seafront of Aytré and Angoulins. La Pointe du Chay is composed of layers of limestone dating back to the Sequanian stage (upper Oxfordian stage) of the Jurassic period (circa 160 million years ago), when a large part of France was submerged. These rocks were formed by the accumulation of organisms falling on the seabed, where they solidified. This happened at the time dinosaurs were roaming the earth. Many of these layers are especially visible and easily accessible at La Pointe du Chay, in which are encapsulated many small marine fossils. Layers of thick white rocks, formed during period of relatively warm seas, alternate with highly friable layers containing sands and remains of mud, formed during colder periods, and with layers containing various corals, that were formed during warmer, tropical times. (en)
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  • La Pointe du Chay is a limestone promontory, about 5 kilometres from La Rochelle, France, between the seafront of Aytré and Angoulins. La Pointe du Chay is composed of layers of limestone dating back to the Sequanian stage (upper Oxfordian stage) of the Jurassic period (circa 160 million years ago), when a large part of France was submerged. These rocks were formed by the accumulation of organisms falling on the seabed, where they solidified. This happened at the time dinosaurs were roaming the earth. (en)
  • La pointe du Chay est un promontoire calcaire situé à environ 5 kilomètres de La Rochelle, entre les plages d'Aytré et d'Angoulins en Charente-Maritime. La pointe du Chay, connue pour ses falaises contenant de nombreux fossiles, est composée de couches sédimentaires calcaires datant du Kimméridgien. Elles se sont créées en une longue période de submersion, par l'accrétion de micro-organismes sur les fonds marins, où ils se sont solidifiés. (fr)
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  • Pointe du Chay (fr)
  • La Pointe du Chay (en)
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