Centre-Val de Loire, Francei

Regional Level Types
Centre-Val de Loire	Region
France	Country

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Centre-Val de Loire is an administrative region in central France, covering approximately 39,150 km². It is bordered by Normandy and Île-de-France to the north, Bourgogne–Franche-Comté to the east, Auvergne-Rhône-Alpes to the south-east, Nouvelle-Aquitaine to the south, and Pays de la Loire to the west. The region is dominated by broad lowlands and gently rolling plateaus organised around the Loire River, France’s longest river, which flows east–west across the region and has played a central role in settlement, agriculture, and cultural development. Major tributaries include the Cher, Indre, Loir, and Eure.

Geologically, Centre-Val de Loire lies almost entirely within the Paris Basin, a large intracratonic sedimentary basin composed of gently dipping Mesozoic and Cenozoic sedimentary rocks. These include extensive Jurassic and Cretaceous limestones, marls, sands, and clays, overlain locally by younger Tertiary and Quaternary deposits. Chalk and limestone plateaus dominate much of the region, while river valleys expose alluvial sands and gravels. The soft sedimentary geology has resulted in broad valleys, fertile soils, and extensive karst development in carbonate units, particularly along the Loire and its tributaries.

This geological setting has supported a long-standing mineral and extractive heritage, largely focused on sedimentary and industrial minerals. Quarrying of limestone has been especially important, supplying building stone, lime, and cement; the pale tuffeau limestone of the Loire Valley is widely used in historic architecture, including many of the region’s famous châteaux. Clay, sand, and gravel extraction has supported brickmaking, ceramics, and construction, while flint from chalk formations was historically used for tools and building. Metallic mining has been negligible, reflecting the absence of crystalline basement and ore-bearing structures.

Administratively, Centre-Val de Loire is divided into six departments: Cher, Eure-et-Loir, Indre, Indre-et-Loire, Loir-et-Cher, and Loiret, with Orléans serving as the regional capital. The region is internationally recognised for its cultural landscapes, historic towns, and châteaux, many of which are directly linked to the availability of local building stone. Its identity is closely shaped by the Loire River system and the extensive sedimentary geology that underpins both its agricultural productivity and architectural heritage.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

Mineral list contains entries from the region specified including sub-localities

89 valid minerals.

Rock Types Recorded

Rock list contains entries from the region specified including sub-localities