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McDonald Islands (volcano)

Index McDonald Islands (volcano)

The McDonald Islands are the peaks of a volcano in the southern Indian Ocean in the vicinity of Heard Island. [1]

17 relations: Australia, Complex volcano, Dike (geology), Heard Island and McDonald Islands, Indian Ocean, Kerguelen Plateau, Lava, Lava dome, Marine reserve, Penguin, Phonolite, Pumice, Pyroclastic flow, States and territories of Australia, Submarine volcano, Volcanic Explosivity Index, World Heritage site.

Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Complex volcano

A complex volcano, also called a compound volcano, is mixed landform consisting of related volcanic centers and their associated lava flows and pyroclastic rock.

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Dike (geology)

A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture in a pre-existing rock body.

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Heard Island and McDonald Islands

The Territory of Heard Island and McDonald IslandsCIA World Factbook. Accessed 4 January 2009.

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Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).

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Kerguelen Plateau

The Kerguelen Plateau is an oceanic plateau and a large igneous province (LIP) in the southern Indian Ocean.

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Lava

Lava is molten rock generated by geothermal energy and expelled through fractures in planetary crust or in an eruption, usually at temperatures from.

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Lava dome

In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.

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Marine reserve

A marine reserve is a type of marine protected area that has legal protection against fishing or development.

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Penguin

Penguins (order Sphenisciformes, family Spheniscidae) are a group of aquatic, flightless birds.

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Phonolite

Phonolite is an uncommon volcanic rock, of intermediate chemical composition between felsic and mafic, with texture ranging from aphanitic (fine-grain) to porphyritic (mixed fine- and coarse-grain).

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Pumice

Pumice, called pumicite in its powdered or dust form, is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals.

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Pyroclastic flow

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that moves away from a volcano reaching speeds of up to.

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States and territories of Australia

Australia (officially known as the Commonwealth of Australia) is a federation of six states, together with ten federal territories.

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Submarine volcano

Submarine volcanoes are underwater vents or fissures in the Earth's surface from which magma can erupt.

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Volcanic Explosivity Index

The Volcanic Explosivity Index (VEI) is a relative measure of the explosiveness of volcanic eruptions.

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World Heritage site

A World Heritage site is a landmark or area which is selected by the United Nations Educational, Scientific and Cultural Organization (UNESCO) as having cultural, historical, scientific or other form of significance, and is legally protected by international treaties.

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References

[1] https://en.wikipedia.org/wiki/McDonald_Islands_(volcano)

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