The Limagne () is large plain in the Auvergne region of France in the valley of the Allier river, on the edge of the

Massif Central The (; oc, Massís Central, ; literally ''"Central Massif"'') is a highland region in south-central France, consisting of mountains and plateaus. It covers about 15% of mainland France. Subject to volcanism that has subsided in the last 10,0 ...

. It lies entirely within the ''

département In the administrative divisions of France, the department (french: département, ) is one of the three levels of government under the national level (" territorial collectivities"), between the administrative regions and the communes. Ninety ...

'' of

Puy-de-Dôme Puy-de-Dôme (; oc, label=Auvergnat, lo Puèi de Doma or ''lo Puèi Domat'') is a department in the Auvergne-Rhône-Alpes region in the centre of France. In 2019, it had a population of 662,152.Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

''Lacus Magnus'', or large lake.

Geology

The Limagne plain is a graben, downthrown from the Massif Central by a series of normal faults that border the western edge of the plain. It contains about 2 km of sediments, and the amount of stretching of the crust is estimated as 1.2–1.3. The rifting started in the Late

Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...

and the main phase of subsidence continued into the Late Oligocene.Ziegler, P.A. 1990. Geological Atlas of Western Europe, Geological Society London, 256pp.
/ref> The Limagne Graben forms part of a system of linked

rift In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics. Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-grabe ...

s, including the

Rhine Graben The Upper Rhine Plain, Rhine Rift Valley or Upper Rhine Graben (German: ''Oberrheinische Tiefebene'', ''Oberrheinisches Tiefland'' or ''Oberrheingraben'', French: ''Vallée du Rhin'') is a major rift, about and on average , between Basel in the so ...

, known as the European Cenozoic Rift System, that formed in response to compressional deformation of the

Alpine Alpine may refer to any mountainous region. It may also refer to: Places Europe * Alps, a European mountain range ** Alpine states, which overlap with the European range Australia * Alpine, New South Wales, a Northern Village * Alpine National Pa ...

foreland. Volcanism accompanied the rifting and continued into the

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in ...

. The sediments deposited in the basin are affected by numerous intrusions. The area was the first where peperites were described, from a

basalt Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90 ...

ic intrusion into

lacustrine A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

. de Goer de Herve, A. 2008. Chapter 5, Peperites from the Limagne Trench (Auvergne, French Massif Central), a distinctive feature of phreatomagmatic pyroclastics. History of semantic drift. In: Leyrit, H. & Montenat, C. (Eds.) Volcaniclastic rocks, from magmas to sediments, Taylor & Francis, 270pp.
/ref>

Economy

The Limagne is a very fertile plain and is mainly an area of cereal production, with some tobacco and sugar beet.

Vineyards A vineyard (; also ) is a plantation of grape-bearing vines, grown mainly for winemaking, but also raisins, table grapes and non-alcoholic grape juice. The science, practice and study of vineyard production is known as viticulture. Vineyards ...

are found along the borders of the plain on the edge of the Massif Central, particularly at

Corent Corent is a commune in the Puy-de-Dôme department in Auvergne-Rhône-Alpes in central France. It sits approximately 2 miles north of Les Martres-de-Veyre on the side of the old volcanic Puy de Corent. In 2001 excavation began on a Gallic (Ce ...

and Châteaugay.

Main sites of interest

* Auzon –

Medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

village with a romanesque church *

Brioude Brioude (; Auvergnat: ''Briude'') is a commune in the Haute-Loire department in the Auvergne-Rhône-Alpes region in south-central France. It lies on the banks of the river Allier, a tributary of the Loire. History At Brioude, the ancient ''Bri ...

– The

basilica In Ancient Roman architecture, a basilica is a large public building with multiple functions, typically built alongside the town's Forum (Roman), forum. The basilica was in the Latin West equivalent to a stoa in the Greek East. The building ...

of St Julien * Château de Ravel * Effiat – For its château *

Issoire Issoire (; Auvergnat: ''Issoire'', ''Ussoire'') is a commune in the Puy-de-Dôme department in Auvergne in central France. Geography Issoire is located on the river Couze, near its confluence with the Allier, SSE of Clermont-Ferrand on the ...

– Romanesque basilica * Mozac Abbey – Celebrated for its romanesque sculptures * Riom –

Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history The history of Europe is traditionally divided into four time periods: prehistoric Europe (prior to about 800 BC), classical antiquity (800 BC to AD ...

city, one of the French Towns and Lands of Art and History * Usson, Puy-de-Dôme – Ruined fortress walls and the columnar jointed

, ''orgues basaltique''. At the top of the butte, a statue of the virgin Mary and a panoramic view. * Parentignat — For its 18th century château with its

English garden The English landscape garden, also called English landscape park or simply the English garden (french: Jardin à l'anglaise, it, Giardino all'inglese, german: Englischer Landschaftsgarten, pt, Jardim inglês, es, Jardín inglés), is a sty ...

, and the suspension bridge built in 1830.

References

{{Authority control Landforms of Puy-de-Dôme Massif Central Plains of France Landforms of Auvergne-Rhône-Alpes