pillow-lava structure

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• pillow lava —    A general term for lava displaying pillow structure (discontinuous, close fitting, bun shaped or ellipsoidal masses, generally < 1 m in diameter); considered to have formed in a subaqueous environment; such lava is usually basaltic or… …   Glossary of landform and geologic terms

• pillow lava flow —    A lava flow or body displaying pillow structure and considered to have formed in a subaqueous environment (underwater); usually basaltic or andesitic in composition.    Compare: aa lava flow, block lava flow, pahoehoe lava flow.    SW & GS …   Glossary of landform and geologic terms

• Lava — flow redirects here. For the programming anti pattern, see Lava flow (programming). For other uses, see Lava (disambiguation) …   Wikipedia

• Pillow structure — Pillow lava are pillow shaped structures sometimes seen in lavas and are attributed to the congealment of lava under water, or subaqeous extrusion. A pillow structure in certain extrusive igneous rock is characterized by discontinuous pillow… …   Wikipedia

• Pillow (disambiguation) — A Pillow is a cushion for the head.Pillow may also refer to:Places*Pillow, Pennsylvania *Jacob s Pillow, a historic landmark in MassachusettsMusic*The Pillows, a band *The Silly Pillows, a band *Surrealistic Pillow, an album by Jefferson Airplane …   Wikipedia

• lava — /ˈlavə / (say lahvuh) noun 1. the molten or fluid rock (magma), which issues from a volcanic vent. 2. the igneous rock formed when this solidifies and loses its volatile constituents, occurring in many varieties differing greatly in structure and …  

• pillow structure — noun : pillow lava …   Useful english dictionary

• Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… …   Wikipedia

• Mount Edziza volcanic complex — Mount Edziza, one of the main volcanoes of the Mount Edziza volcanic complex Elevation …   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 Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 …   Wikipedia