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Stone block made of one single piece; object made of one single rock piece

Monolith

Monolith
Uluru, Northern Territory, Australia, is often referred to as the biggest monolith. While the surrounding rocks were eroded, the rock survived as sandstone strata making up the surviving Uluru 'monolith'.
Uluru, Northern Territory, Australia, is often referred to as the biggest monolith. While the surrounding rocks were eroded, the rock survived as sandstone strata making up the surviving Uluru 'monolith'.
Monolithos fortress on Rhodes, Greece
Monolithos fortress on Rhodes, Greece
Landsat 7 image Brandberg Mountain, Namibia
Landsat 7 image Brandberg Mountain, Namibia
Gavea Rock, a monolith next to the sea, near Rio de Janeiro, Brazil
Gavea Rock, a monolith next to the sea, near Rio de Janeiro, Brazil
4 images

A monolith is a geological feature consisting of a single massive stone or rock, such as some mountains. Erosion usually exposes the geological formations, which are often made of very hard and solid igneous or metamorphic rock. Some monoliths are volcanic plugs, solidified lava filling the vent of an extinct volcano.

In architecture, the term has considerable overlap with megalith, which is normally used for prehistory, and may be used in the contexts of rock-cut architecture that remains attached to solid rock, as in monolithic church, or for exceptionally large stones such as obelisks, statues, monolithic columns or large architraves, that may have been moved a considerable distance after quarrying. It may also be used of large glacial erratics moved by natural forces.

The word derives, via the Latin monolithus, from the Ancient Greek word μονόλιθος (monólithos), from μόνος (mónos) meaning "one" or "single" and λίθος (líthos) meaning "stone".

Geological monoliths

Savandurga, India, from the northern side
Savandurga, India, from the northern side
Sangla Hill, Pakistan
Sangla Hill, Pakistan
Penyal d'Ifac, Spain
Penyal d'Ifac, Spain
Beacon Rock, Washington, viewed from the west
Beacon Rock, Washington, viewed from the west
El Capitan in Yosemite
El Capitan in Yosemite
Stawamus Chief as seen from Valleycliffe neighborhood in Squamish, British Columbia
Stawamus Chief as seen from Valleycliffe neighborhood in Squamish, British Columbia
El Peñón, monolith in Colombia, located in Antioquia
El Peñón, monolith in Colombia, located in Antioquia
7 images

Large, well-known monoliths include:

Africa

Antarctica

Asia

Australia

Europe

North America

United States

Canada

Mexico

South America

Outside Earth

Monumental monoliths

A structure which has been excavated as a unit from a surrounding matrix or outcropping of rock.

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Text from Wikipedia, CC BY-SA 4.0 · Source article