The micaceous chalk (or micaceous chalk) is minacée Craie or sand spreader with fine grain, of white color or sometimes yellowish cream. It is extracted from career in layers of the secondary era to the higher Crétacé, stage turonien. This tender stone of size makes it possible to build and carry out the typical decorations of the architecture of the Renaissance.

Presentation

The micaceous chalk of the Loire Valley, Touraine and of Anjou (white Anjou), is employed in construction (see Loire ch4ateau). It is generally extracted from the basement of slopes bordering the river, thus creating galleries, or cellars of several kilometers. The extracted blocks of rock could thus be charged on boats.

In Wallonia, it exists in the area of Hesbaye (Lincent). This bench is prolonged until Visé then in Dutch Limbourg.

Alternative

Micaceous chalk also says “Tuf”, but this name is more generally reserved for a volcanic rock.

External bond

• Official site Micaceous chalk

micaceous chalk|Micaceous chalk

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