pillow lava

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pillow lava

Lava that forms from an underwater eruption and is characterized by pillow-shaped masses.

pillow lava

(Earth Sciences / Geological Science) lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses

pillow lava (p

)

Lava that forms from an underwater eruption and is characterized by pillow-shaped masses. Pillow lava forms when hot lava is suddenly exposed to cold water, forming a sacklike membrane that is filled with additional cooling and solidifying lava. The outer membrane is usually finer grained than the inner lava.

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Noun

pillow lava - lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions

lava - rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface

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lava pillow			Pillow lava flows occur in underwater vents and look like rolling globs of lava. Volcanoes by Science Weekly The pasty rock often solidifies into rounded formations dubbed pillow lava. Hints of microbes in ancient ocean rocks by Perkins, S. / Science News There it underlies extrusive pillow lava and sheeted dikes and overlies mantle peridotite; it is also believed to represent the remains of magma chambers. Indian Ocean's Atlantis Bank yields deep-Earth insight by Dick, Henry J.B. / Oceanus			pillar-shaped pillared Pillaret Pillaring Pillarist Pillars of Hercules Pillars of the fauces Pillau pillbox Pilled Pilled-garlic Piller Pillery pillie pillion pillion passenger pilliwinks pillock Pillorize pillory pillow Pillow bier pillow block pillow fight pillow lace pillow lava Pillow of a plow pillow sham pillow slip pillow talk pillowcase Pillowed pillowslip Pillowy pills Pills of soap Pillsbury Pillworm pillwort pilocarpine pilomotor pilomotor reflex Pilon Pilonce Piloncillo Pílos pilose pilosebaceous Pilosella Pilosella aurantiaca Pilosella officinarum			pillorying pillorying pillorying pillorying pillorying Pillot, Jean Jacques pillotina pillow pillow pillow pillow pillow Pillow bier pillow block pillow block Pillow block bearing Pillow Book, The pillow breccia pillow capital pillow capital pillow capital Pillow case Pillow case pillow fight pillow fight Pillow Fight League Pillow fighting pillow fights pillow lace pillow lace pillow lava Pillow lavas Pillow lavas Pillow lavas Pillow of a plow pillow sham pillow shams pillow slip pillow slip pillow splint Pillow structure pillow talk pillow talk Pillow to Face Pillow Tripod Joint Pillow, Fort Pillow, Gideon Pillow, Gideon Pillow, Gideon Johnson pillowcase pillowcase pillowcases pillowed pillowed pillowed Pillowfight Pillowhead pillowing pillowing pillows pillows

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