scoria tuff

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• Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… …   Wikipedia

• Scoria — is a textural term for macrovesicular volcanic rock. It is commonly, but not exclusively, basaltic or andesitic in composition. Scoria is light as a result of numerous macroscopic ellipsoidal vesicles, but most scoria has a specific gravity… …   Wikipedia

• scoria — Synonyms and related words: aa, abyssal rock, alluvion, alluvium, ash, ashes, basalt, bedrock, block lava, brand, brash, breccia, calx, carbon, charcoal, cinder, clinker, coal, coke, conglomerate, coom, crag, deposition, deposits, diluvium, draff …   Moby Thesaurus

• Mount Leura — is a 313 metre scoria cone surrounding a dry crater 100 m deep and is the central and most obvious component of a larger volcanic complex southeast of the town of Camperdown located in western Victoria, Australia,… …   Wikipedia

• Moai — For the seamount, see Moai (seamount). Moai facing inland at Ahu Tongariki, restored by Chilean archaeologist Claudio Cristino in the 1990s Moai …   Wikipedia

• Mount Porndon — is a 278 metre high volcano located 13 kilometres southeast of Camperdown in western Victoria, Australia. Mount Porndon is on private land. There is a fire tower on the summit. It is a composite volcano of scoria resting on lava disc and tuff.… …   Wikipedia

• Easter Island — For the album by Kris Kristofferson, see Easter Island (album). Rapa Nui redirects here. For other uses, see Rapa Nui (disambiguation). Coordinates: 27°7′S 109°22′W /  …   Wikipedia

• Stonemasonry — The craft of stonemasonry has existed since the dawn of civilization creating buildings, structures, and sculpture using stone from the earth. These materials have been used to construct many of the long lasting, ancient monuments, artifacts,… …   Wikipedia

• Auckland volcanic field — The Auckland volcanic field is a generally monogenetic volcanic field in the North Island of New Zealand. Basaltic in nature, it underlies much of the metropolitan area of Auckland. The field s many vents have produced a diverse array of… …   Wikipedia

• Basalt — For the World War II raid, see Operation Basalt. For the cities, see Basalt, Colorado and Basalt, Idaho. Basalt Igneous Rock Composition …   Wikipedia

• Mount Warrnambool — is a single large scoria cone volcano that is 216 metres (709 ft) high. Mount Warrnambool is 16 kilometres (10 mi) south west of Terang, Victoria, Australia. It is visible from the Princes Highway on the way to Warrnambool. The last… …   Wikipedia