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  2. Joint (geology) - Wikipedia

    en.wikipedia.org/wiki/Joint_(geology)

    Joint spacing in mechanically stronger limestone beds shows increase with bed thickness, Lilstock Bay, Somerset Roadside weathered diorite outcrop along the Baguio-Bua-Itogon Road in the Philippines showing joints. A joint is a break of natural origin in a layer or body of rock that lacks visible or measurable movement parallel to the surface ...

  3. Geology of Germany - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Germany

    The surface geology of Germany has evolved to its current configuration due to regional differences in the action and appearance of external and internal forces during the last c. 20 million years. Germany can be divided into three physiographic regions: the Central European Depression, the Central European Blocks and the Alps.

  4. Upper Rhine Plain - Wikipedia

    en.wikipedia.org/wiki/Upper_Rhine_Plain

    The Upper Rhine Plain, [1] Rhine Rift Valley [2] or Upper Rhine Graben [3] (German: Oberrheinische Tiefebene, Oberrheinisches Tiefland or Oberrheingraben, French: Vallée du Rhin) is a major rift, about 350-kilometre-long (220 mi) and on average 50-kilometre-wide (31 mi), between Basel in the south and the cities of Frankfurt/Wiesbaden in the north.

  5. Externsteine - Wikipedia

    en.wikipedia.org/wiki/Externsteine

    The outside of rock I also features the Kreuzabnahmerelief (showing Christ's Descent from the Cross). [4]: 4 Below the side chamber, next to the pond, is the so-called Sargstein (tomb stone). An arched alcove with an open stone sarcophagus at the bottom has been cut into the sandstone. This is a type of structure known as an Arcosolium. On top ...

  6. Geologic map - Wikipedia

    en.wikipedia.org/wiki/Geologic_map

    A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults , folds , are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features.

  7. Commission for the Geological Map of the World - Wikipedia

    en.wikipedia.org/wiki/Commission_for_the...

    The 22 maps of the Geological Atlas of the World were co-published by CGMW and UNESCO from 1974 to 1984. In January 1983, the wall map concept of the Geological Map of the World was revived at the UNESCO G.A. [10] and the 1st edition at 1:25M scale was published in 1990. For the first time, continental geology was shown, alongside ocean geology ...

  8. Geography of Germany - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Germany

    General map of Germany. Germany (German: Deutschland) is a country in Central and Western Europe [3] that stretches from the Alps, across the North European Plain to the North Sea and the Baltic Sea. It is the second-most populous country in Europe after Russia, and is seventh-largest country by area in the continent.

  9. Columnar jointing - Wikipedia

    en.wikipedia.org/wiki/Columnar_jointing

    Columnar jointing in Giant's Causeway in Northern Ireland Columnar jointing in the Alcantara Gorge, Sicily. Columnar jointing is a geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms (basalt prisms), or columns.