The Rhenish Massif, Rhine Massif or Rhenish Uplands (german: Rheinisches Schiefergebirge, : 'Rhenish Slate Uplands') is a geologic

massif In geology, a massif ( or ) is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole. The term also refers to a ...

in western

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

, eastern

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...

Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...

and northeastern

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. It is drained centrally, south to north by the river

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , source ...

and a few of its tributaries. West of the indent of the

Cologne Bight The Cologne Lowland,Dickinson 1953, 35, 461–64, 466–73.Elkins 1968, 229. also called the Cologne Bay or, less commonly, the Cologne Bight (german: Kölner Bucht), is a densely populated area of Germany lying between the cities of Bonn, Aache ...

it has the

Eifel The Eifel (; lb, Äifel, ) is a low mountain range in western Germany and eastern Belgium. It occupies parts of southwestern North Rhine-Westphalia, northwestern Rhineland-Palatinate and the southern area of the German-speaking Community of ...

and the Belgian and French

Ardennes The Ardennes (french: Ardenne ; nl, Ardennen ; german: Ardennen; wa, Årdene ; lb, Ardennen ), also known as the Ardennes Forest or Forest of Ardennes, is a region of extensive forests, rough terrain, rolling hills and ridges primarily in Be ...

; east is its greatest German component, the

Süder Uplands The Süder Uplands Hunsrück The Hunsrück () is a long, triangular, pronounced mountain range, upland in Rhineland-Palatinate, Germany. It is bounded by the valleys of the Moselle (river), Moselle-Saar (north-to-west), the Nahe (south), and the Rhine (east). It is continued ...

hills form its southwest. The

Westerwald The Westerwald (; literally 'Western forest') is a low mountain range on the right bank of the river Rhine in the German federal states of Rhineland-Palatinate, Hesse and North Rhine-Westphalia. It is a part of the Rhenish Massif ( or Rhenish ...

is an eastern strip. The

Lahn The Lahn is a , right (or eastern) tributary of the Rhine in Germany. Its course passes through the federal states of North Rhine-Westphalia (23.0 km), Hesse (165.6 km), and Rhineland-Palatinate (57.0 km). It has its source i ...

Dill Dill (''Anethum graveolens'') is an annual herb in the celery family Apiaceae. It is the only species in the genus ''Anethum''. Dill is grown widely in Eurasia, where its leaves and seeds are used as a herb or spice for flavouring food. Growth ...

area is a small central zone and the

Taunus Mountains The Taunus is a mountain range in Hesse, Germany, located north of Frankfurt. The tallest peak in the range is ''Großer Feldberg'' at 878 m; other notable peaks are ''Kleiner Feldberg'' (825 m) and ''Altkönig'' (798 m). The Taunus range spans ...

form the rest, the south-east. The massif hosts the

Middle Rhine Between Bingen and Bonn, Germany, the river Rhine flows as the Middle Rhine (german: Mittelrhein) through the Rhine Gorge, a formation created by erosion, which happened at about the same rate as an uplift in the region, leaving the river a ...

Valley (

Rhine Gorge The Rhine Gorge is a popular name for the Upper Middle Rhine Valley, a 65 km section of the Rhine between Koblenz and Rüdesheim in the states of Rhineland-Palatinate and Hesse in Germany. It was added to the UNESCO list of World Heritage S ...

), a

UNESCO World Heritage A World Heritage Site is a landmark or area with legal protection by an international convention administered by the United Nations Educational, Scientific and Cultural Organization (UNESCO). World Heritage Sites are designated by UNESCO for h ...

site linked to the lowest parts of the

Moselle The Moselle ( , ; german: Mosel ; lb, Musel ) is a river that rises in the Vosges mountains and flows through north-eastern France and Luxembourg to western Germany. It is a left bank tributary of the Rhine, which it joins at Koblenz. A ...

(german: Mosel, lb, Musel).

Geology

Geologically the Rhenish Massif consists of

metamorphic rock Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock (protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, caus ...

s, mostly

slate Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. ...

s (hence its German name), deformed and

metamorphosed Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock (protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, causi ...

during the

Hercynian orogeny The Variscan or Hercynian orogeny was a geologic mountain-building event caused by Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea. Nomenclature The name ''Variscan'', comes f ...

(around 300 million years ago). Most of the massif is part of the Rhenohercynian zone of this orogeny, that also encompasses the

Harz The Harz () is a highland area in northern Germany. It has the highest elevations for that region, and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia. The name ''Harz'' derives from the Middle High German ...

further east and Devonian rocks of

Cornwall Cornwall (; kw, Kernow ) is a Historic counties of England, historic county and Ceremonial counties of England, ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people ...

(southwestern

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

). Most rocks in the Rhenish Massif were originally sediments, mostly deposited during the

Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, wh ...

and

Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carboniferou ...

in a

back-arc basin A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated with island arcs and subduction zones, with many found in the western Pacific Ocean. Most o ...

called the Rhenohercynian basin. In some places in the Ardennes, even older rocks of

Cambrian The Cambrian Period ( ; sometimes symbolized Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million years ago ...

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleoz ...

age crop out as massifs overlain by Devonian slates. These older rocks form smaller massifs of their own (

Stavelot Stavelot (; german: Stablo ; wa, Ståvleu) is a town and municipality of Wallonia located in the province of Liège, Belgium. The municipality consists of the following districts: Francorchamps and Stavelot. It is best known as the home of ...

Rocroi Rocroi () is a commune in the Ardennes department in northern France. The central area is a notable surviving example of a bastion fort. Population History Rocroi was fortified by Francis I of France and expanded by Henry II of France. Bec ...

Givonne Givonne () is a commune in the Ardennes department in northern France. Population See also *Communes of the Ardennes department The following is a list of the 449 communes of the Ardennes department of France. The communes cooperat ...

and Serpont). In the eastern Rhenish Massif some very limited outcrops in the Sauerland show rocks of

Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. T ...

and lower Siliurian age. Further Ordovician rock exposures are part of the southern

Taunus The Taunus is a mountain range in Hesse, Germany, located north of Frankfurt. The tallest peak in the range is '' Großer Feldberg'' at 878 m; other notable peaks are '' Kleiner Feldberg'' (825 m) and '' Altkönig'' (798 m). The Taunus range spa ...

. The second rock type are

Tertiary Tertiary ( ) is a widely used but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start ...

and

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million year ...

igneous rock Igneous rock (derived from the Latin word ''ignis'' meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma o ...

s, which most prominently occur in the

Vulkaneifel Vulkaneifel () is a district (''Kreis'') in the northwest of the state Rhineland-Palatinate, Germany. It is the least densely populated district in the state and the fourth most sparsely populated district in Germany. The administrative centre of ...

, the Westerwald and the

Vogelsberg The is a large volcanic mountain range in the German Central Uplands in the state of Hesse, separated from the Rhön Mountains by the Fulda river valley. Emerging approximately 19 million years ago, the Vogelsberg is Central Europe's largest ...

. The volcanic rocks have been linked to a

mantle plume A mantle plume is a proposed mechanism of convection within the Earth's mantle, hypothesized to explain anomalous volcanism. Because the plume head partially melts on reaching shallow depths, a plume is often invoked as the cause of volcanic hot ...

that, due to its low density and buoyancy, uplifted the entire region during the last few hundred thousand years, as measured from the present elevation of old river terraces.Garcia-Castellanos, D., S.A.P.L. Cloetingh & R.T. van Balen, 2000. Modeling the middle Pleistocene uplift in the Ardennes-Rhenish Massif: Thermo-mechanical weakening under the Eifel? Global Planet. Change 27, 39-52, doi:10.1016/S0921-8181(01)00058-3
/ref>

Mountain and hill ranges

The mountain and hill ranges within the Rhenish Massif - some with maximum height in metres above sea level (NN)) are given below:

References

Literature

* d´Hein: ''Nationaler Geopark Vulkanland Eifel. Ein Natur- und Kulturführer.'' Gaasterland Verlag Düsseldorf 2006, . * Fliegel, D.: ''Ein geologisches Profil durch das Rheinische Schiefergebirge''. Cöln, 1909
Online-Ausgabe dilibri Rheinland-Pfalz
* von Winterfeld, Claus; Bayer, Ulf; Oncken, Onno; Lünenschloß, Brita; Springer, Jörn (1994): ''Das westliche Rheinische Schiefergebirge.'' Geowissenschaften; 12; 320-324, . * Meyer, W.: ''Geologie der Eifel'', Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, 1986. . * Schmidt, E. et al.: ''Deutschland. Harms Handbuch der Geographie''. Paul List Verlag KG, 26th edn., Munich, 1975. . * Thews, J.-D.: ''Erläuterungen zur Geologischen Übersichtskarte von Hessen 1:300.000'', Geol. Abhandlungen Hessen Bd. 96, Hess. L.-A. für Bodenforschung, Wiesbaden, 1996. . * Vogel, Andreas, Hubert Miller and Reinhard Greiling, ''The Rhenish Massif: Structure, Evolution, Mineral Deposits and Present Geodynamics.'' Wiesbaden: Springer, 1987. . * Walter, R. et al.: ''Geologie von Mitteleuropa''. 5th edition, Schweizerbarth’sche Verlagsbuchhandlung, Stuttgart, 1992. (German). {{Authority control Geology of Germany Geography of North Rhine-Westphalia Geography of Rhineland-Palatinate Geography of Hesse Rhineland Geology of Belgium Geology of Luxembourg Geology of France