Horst (geology)
Overview
Geography
Geography is the science that studies the lands, features, inhabitants, and phenomena of Earth. A literal translation would be "to describe or write about the Earth". The first person to use the word "geography" was Eratosthenes...
and geology
Geology
Geology is the science comprising the study of solid Earth, the rocks of which it is composed, and the processes by which it evolves. Geology gives insight into the history of the Earth, as it provides the primary evidence for plate tectonics, the evolutionary history of life, and past climates...
, a horst (< German Horst 'heap') is the raised fault block bounded by normal faults or graben
Graben
In geology, a graben is a depressed block of land bordered by parallel faults. Graben is German for ditch. Graben is used for both the singular and plural....
. A horst is formed from extension of the Earth's crust. The raised block is a portion of the crust
Crust (geology)
In geology, the crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle...
that generally remains stationary or is uplifted while the land has dropped on either side.
The Vosges Mountains
Vosges mountains
For the department of France of the same name, see Vosges.The Vosges are a range of low mountains in eastern France, near its border with Germany. They extend along the west side of the Rhine valley in a northnortheast direction, mainly from Belfort to Saverne...
in France and Black Forest
Black Forest
The Black Forest is a wooded mountain range in Baden-Württemberg, southwestern Germany. It is bordered by the Rhine valley to the west and south. The highest peak is the Feldberg with an elevation of 1,493 metres ....
in Germany are examples of horsts, the Table, Jura
Jura mountains
The Jura Mountains are a small mountain range located north of the Alps, separating the Rhine and Rhone rivers and forming part of the watershed of each...
and the Dôle
Dole
Dole may refer to:*The Grain supply to the city of Rome in ancient times.* Since the early 20th Century, a colloquial term referring to government public assistance programs; see Unemployment benefits. Originally it referred to any charitable gift of food, clothing or money. The dole has taken on...
mountains are results of the latter.
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