Amazing white Gogotte perfectly natural - Lot 100

Lot 100
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Estimation :
2000 - 3000 EUR
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Result : 6 500EUR
Amazing white Gogotte perfectly natural - Lot 100
Amazing white Gogotte perfectly natural Height 32 - Width 34 cm - Depth 21 cm The gogottes They come from the pure sands of Fontainebleau. These sands were deposited in dune, coastal and deltaic environments during the Lower Oligocene (33.9 to 28.1 million years ago). The Fontainebleau gogottes are sandstone concretions made of a siliceous sand cemented by silica, dispersed within uncemented sand. The circulation of water saturated in silica is at the origin of the concretion. This circulation is due to the internal flows of the water table. Over time, the water deposits silica in the interstices and the crystallization of the silica favors the growth of concretions. The formation of the gogottes took place during the cold periods of the quaternary. Because of the purity of the Fontainebleau sands, the extracted gogottes are white and have a smooth and regular surface. Since the 1970s, these sandstone concretions have been called "gogottes" or "sandstone dolls". Louis XIV appreciated these strange shapes and used many gogottes for the basins and fountains in the park of the Château de Versailles. One can see them around the basins of the bosquet of the three fountains or of the Encelade
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