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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.
The rock formation is at Kavadia Pahad which is a series of seven mountain ranges. [5] Linga columnars: 11 kilometres (6.8 mi) south of Chhindwara city. Narsinghpur columnar joints in Deccan Basalts near Narsinghpur. Maharashtra. Bandivade columnars: found at Bandivade village bear Panhala in Kolhapur district of Maharashtra. [6]
They are often oriented perpendicular to either the upper surface and base of lava flows and the contact of the tabular igneous bodies with the surrounding rock. This type of jointing is typical of thick lava flows and shallow dikes and sills. [5] Columnar jointing is also known as either columnar structure, prismatic joints, or prismatic ...
The Giant's Causeway (Irish: Clochán an Aifir) [1] is an area of approximately 40,000 interlocking basalt columns, the result of an ancient volcanic fissure eruption. [3] [4] It is located in County Antrim on the north coast of Northern Ireland, about three miles (4.8 km) northeast of the town of Bushmills.
The well-preserved columnar jointing up to 20 feet tall and 1 foot in diameter. The harsh columnar jointing is shorter in height and can have a diameter of 2 to 3 feet. Most columnar jointing is parallel but some have a curved or random orientation. [1] Deformation can also be seen in the columnar jointing that is found within this formation ...
Daepo Jusangjeolli Cliff (Korean: 주상절리대; RR: Jusangjeollidae) is a volcanic rock formation at the southern coast of Jeju Island, South Korea. It is named for jusangjeolli, the Korean term for columnar jointing. [1] The cliff was formed when the lava from the island's volcano Hallasan flowed into the sea of Jungmun. The lava formed ...
The monument protects Devils Postpile, an unusual rock formation of columnar basalt, "all closely and perfectly fitted together like a vast mosaic." [3] The monument encompasses 798 acres (323 ha) and includes two main attractions: the Devils Postpile formation and Rainbow Falls, a waterfall on the Middle Fork of the San Joaquin River.
Flood basalt commonly displays columnar jointing, formed as the rock cooled and contracted after solidifying from the lava.The rock fractures into columns, typically with five to six sides, parallel to the direction of heat flow out of the rock.