Pillow Lava
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pillow lava [′pil·ō ‚läv·ə]

(geology)

Any lava characterized by pillow structure and presumed to have formed in a subaqueous environment. Also known as ellipsoidal lava.

Pillow Lava

lava that has been extruded into water. Flows appear as series of spheres 1-5 m in diameter, which are composed of glass along the margins and crystalline rock in the center.

Pillow Lava

basic (andesitic or basaltic) lava extruded into water and consisting of a series of spheres that fit closely upon one another. A glassy hardening zone is observed on the edges of each sphere; in the center of some large spheres, divergent part ing is observed. Pillow lava is found in volcanic oceanic beds in association with keratophyres and spilites. It also occurs as part of ophiolitic complexes.

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No references found			These were the pillow lavas of the Precambrian, the ancient bedrock which underlies this south western corner of Anglesey. Wild Wales: Riding into a dream world by Daily Post (Liverpool, England) The outermost centimeter or so of those pillow lavas is riddled with tubular structures that range from 1 to 9 micrometers in diameter and up to 200 [micro]m in length. Hints of microbes in ancient ocean rocks by Perkins, S. / Science News The massive sulphide zones are hosted at the contact between mafic pillow lavas and massive basalt, and have been classified as volcanogenic massive sulphide (VMS) deposits. Klondike Star Discovers New Mineralized Zones at Ultra Project by Business Wire			pillar piscina pillar press pillar robbing pillar split pillar-and-breast system pillar-and-room system pillar-and-stall system pillar-stone pillarbox pillaring Pillars of Hercules Pillau pillbox pillbox antenna Pillersdorf, Franz pilling Pillnitz Pillnitz, Declaration of 1791 pillory Pillot, Jean Jacques pillotina pillow breccia pillow capital pillow lace Pillow Lava Pillow lavas pillow structure Pillow, Fort Pillow, Gideon Pillow, Gideon Johnson pillowed pillowwork Pillsbury Co. Pillsbury State Park Pillsbury, Charles Alfred Pillsbury, Harry Nelson Pillsbury, John E. Pillsbury, John Sargent pilmer Pilna Pilniak, Boris Pilniak, Boris Andreevich Pilnyak, Boris Pilobolus Dance Theater Pilocarpine Pilocarpus pilomotor nerve Pilomotor Nerve Fibers pilomotor reflex Pilon, Germain pilosebaceous			pillory pillorying pillorying pillorying pillorying Pillot, Jean Jacques pillotina pillow pillow pillow pillow pillow Pillow bier pillow block pillow block Pillow block bearing pillow breccia 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 lava 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 Johnson pillowcase pillowcase pillowcases pillowed pillowed pillowed Pillowfight Pillowhead pillowing pillowing pillows pillows pillowslip pillowslips pillowwork pillowy

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Pillow Lava (redirected from Pillow lavas)

Pillow Lava
(redirected from Pillow lavas)