pyroclastic pronunciation

Of course, pyroclastic materials, almost by definition, are products of extraordinarily volatile-rich eruptions.The mineral apatite is common as a late-crystallizing phase in crystalline mare basalts and nonmare KREEP-related rocks, such as . They are composed exclusively of volcanic materials, yet are made up of fragments and grains like sedimentary rocks, and may be reworked by wind and flowing water. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd Word origin Important physical parameters of hydroclastites are (1) grain-size distributions, (2) particle vesicularity, crystallinity and shape, (3) tephra particle abundances, (4) deposit thickness and areal extent, (5) bedform types and (6) angle of depositional surfaces (cohesivity . What does pyroclastic-surge mean? The greater the explosivity, the greater the amount of fragmentation.Individual eruptive fragments are called pyroclasts ("fire fragments").Tephra (Greek, for ash) is a generic term for any airborne pyroclastic accumulation. pyroclastic flow造句, pyroclastic flow造句, 用pyroclastic flow造句, pyroclastic flow meaning, definition, pronunciation, synonyms and example sentences are provided by ichacha.net. A pyroclastic flow is a dense collection of fragments and gases from a volcanic eruption that flows down the slope of a volcano. Bedded pyroclastic rocks occupy 49% of the mapped diatreme area, nonbedded pyroclastic rocks occupy 45%, and the remaining 6% consist of sedimentary megablocks. Pyroclastic density currents (PDCs) are perhaps the most hazardous events to local areas during explosive volcanic eruptions. Pyroclastic-flow as a noun means (volcanology) A dense flow of volcanic ash , dust , rocks and debris that cascades</.. A song that has a pyroclastic flow is best charactered by how it will blow out your speakers while ending human actual existence at the same time, just like a real pyroclastic flow. pyroclastic flow, turbulent, fluidized mixture of rock, volcanic ash, and hot gas that moves like an avalanche away from a volcanic eruption. 'the eruption of lavas and pyroclastics' More example sentences Origin silica. (page 139) Term. Definition of pyroclastic surge in the Definitions.net dictionary. J. Volc. pyroclastic flow. Widespread transport of pyroclastic density currents from a large silicic tuff-ring: the Glaramara tuff, Scafell caldera, English Lake District, UK. Definition of pyroclastic. Definition of Pyroclastic material. Browse pyramidalis pyre Pyrex pyrite pyroclastic The rapid eruption of expanding gases results in the obliteration and fragmentation of magma and rock. A pyroclastic flow may contain a mix of rock fragments ranging up to the size of boulders, with the heavier fragments moving along closer to the ground. quotations Derived terms pyroclastic flow pyroclastic rock pyroclastic surge Translations ± show composed of volcanic rock fragments Noun pyroclastic ( plural pyroclastics ) pyroclastic in American English (ˌpairəˈklæstɪk) adjective Geology composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic Most material © 2005, 1997, 1991 by Penguin Random House LLC. The areas at highest risk from pyroclastic flows are the valleys within the wilderness area surrounding the volcano. It occurs as part of certain volcanic eruptions. pyroclastic flow. Lithos, 112, 566-578. Information and translations of pyroclastic in the most comprehensive dictionary definitions resource on the web. All Free. A rock with a pyroclastic texture is termed a tuff if the largest fragments are less than 2.5 inches long, a volcanic breccia if the fragments are larger. . Relating to, consisting of, or denoting fragments of rock erupted by a volcano. Anything larger than this size is known as a volcanic bomb or block, depending on its shape. Pyroclastic rocks or pyroclastics (derived from the , meaning fire; and , meaning broken) are clastic rocks composed solely or primarily of volcanic materials. 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 flows along the ground away from a volcano at average speeds of 100 km/h (62 mph) but is capable of reaching speeds up to 700 km/h (430 mph). Definition. Other articles where pyroclastic texture is discussed: igneous rock: Important textural types: Pyroclastic texture results from the explosive fragmentation of volcanic material, including magma (commonly the light, frothy pumice variety and glass fragments called shards), country rock, and phenocrysts. The ash is very fine grained, so only the rock fragments and pumice are identifiable. Two types of pyroclastic material. A word used to describe a song that is heat or fire but to the 1000th degree. A pyroclastic flow refers to a phenomenon in which hot lava pieces, pumices, and ash from a volcanic eruption run down the hillside floating in the generated hot volcanic gas. How to pronounce pyroclastic adjective in American English (English pronunciations of pyroclastic from the Cambridge Advanced Learner's Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press) What is the definition of pyroclastic? Shield volcanoes often have fissure eruptions when long cracks in the ground (fissures) often open on the flanks of the volcano. The gas can reach temperatures of about 1,000 °C (1,830 °F). 3), and the resulting scars on the face of Coldwater Ridge persist (Fig. Rheomorphic welded ignimbrite from Gran Canaria. Applied to the rocks and rock layers as well as to the textures so formed. (page 139) Definition. in geology, "formed by volcanic agencies," especially in reference to fast-moving, dense, superheated surges of ash, gas and rock in a volcanic eruption; by 1862 in reference to the rocks that result; see pyro-"fire" + clastic, indicating "broken in pieces, fragments.". Pyroclastic Flow. P.H. Phonetic spelling of pyroclastic flow py-ro-clas-tic flow pyroclastic flow . Pacific. pyroclastic / ( ˌpaɪrəʊˈklæstɪk) / adjective (of rocks) formed from the solid fragments ejected during a volcanic eruption Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Welding is the process by which hot plastic pyroclasts are lithified into rock as a result of heat and . Tephra Tephra is a term used to describe igneous rocks that formed during a volcanic eruption that blew molten rock into the air. Can you pronounce this word better or pronounce in different accent or variation ? These hot, ground-hugging flows of ash and debris can travel at speeds of hundreds of metres per second, reaching many tens to hundreds of kilometres from the source. Browse pyramidalis pyre Pyrex pyrite pyroclastic Heed evacuation warnings if a volcano is known to be active. Because no lava binds the pyroclastics, pyroclastic cones erode easily. A base surge is usually formed when the volcano initially starts to erupt from the base of the eruption column as it collapses. Where the volcanic material has been transported and reworked through mechanical action, such as by wind or water, these rocks are termed volcaniclastic. There are 310 pyroclastic-related words in total, with the top 5 most semantically related being volcanic, clastic rock, volcanic ash, pyroclastic flow and country rock. Hi there! Warren, G.J. This video shows you how to say or pronounce Pyroclastic Flow.How would you say Pyroclastic Flow? A pyroclastic fall is a uniform deposit of material which has been ejected from a volcanic eruption or plume such as an ash fall or tuff.Pyroclastic air fall deposits are a result of: Ballistic transport of ejecta such as volcanic blocks, volcanic bombs and lapilli from volcanic explosions; Deposition of material from convective clouds associated with pyroclastic flows such as coignimbrite falls Pyroclastic flows contain a high-density mix of hot lava blocks, pumice , ash and volcanic gas. Meaning of pyroclastic rock. Ignimbrite is a pyroclastic rock formed by very hot ground-hugging cloud of volcanic ash, blocks, and gases known as pyroclastic flow or pyroclastic density current. There are no Alpine peaks or grinding glaciers, no great deposits of oil or precious metals, not a hint of a pyroclastic flow.. Billowing dust and ash raced over the grounds and rolled down the mountainside like a hyperactive pyroclastic cloud.. Learn how to say Pyroclastic with EmmaSaying free pronunciation tutorials.Definition and meaning can be found here:https://www.google.com/search?q=define+Pyr. How to pronounce pyroclastic adjective in American English (English pronunciations of pyroclastic from the Cambridge Advanced Learner's Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press) What is the definition of pyroclastic? IPA : /ˈpʌɪ.ɹə.kla.stɪk fləʊ/ Noun []. deposits came to define the pyroclastic zone. Your Answer. They may also result from the nonexplosive eruption of lava when parts of . The release of lava and/or pyroclastic debris from a volcanic vent. The trees swept away by the debris avalanche ended up floating on the surface of the reconstituted Spirit Lake (Fig. pyroclastic (adj.) Pyroclastic rocks have characteristics of both igneous or sedimentary rocks. Pyroclastic flows form in various ways. A pyroclastic surge is a low-density flow of volcanic material with . These processes are heavier-than-air emulsions that move much like a snow avalanche, except that they are fiercely hot, contain toxic gases, and move at phenomenal, hurricane-force . Meaning of pyroclastic surge. Major Pyroclastic Flow of September 15, 1991 The pyroclastic flows of Sept. 15, 1991, included the longest flow passing through the Oshigadani drainage during the course of the eruption and involved mobilization of about 2.4 million cubic meters of dome material. Define pyroclastic-flow. Pronunciation of pyroclastic flow with 1 audio pronunciations 1 rating Record the pronunciation of this word in your own voice and play it to listen to how you have pronounced it. Pyroclastic Words. Of course, pyroclastic materials, almost by definition, are products of extraordinarily volatile-rich eruptions.The mineral apatite is common as a late-crystallizing phase in crystalline mare basalts and nonmare KREEP-related rocks, such as . Pyroclastic flows are high-density mixtures of hot, dry rock fragments and hot gases that move away from the vent that erupted them at high speeds. composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic. Taylor, in Reference Module in Earth Systems and Environmental Sciences, 2015 Water in Apatite in Mare Basalts and KREEP-Related Samples. pyroclastic flow, turbulent, fluidized mixture of rock, volcanic ash, and hot gas that moves like an avalanche away from a volcanic eruption. A base surge is usually formed when the volcano initially starts to erupt from the base of the eruption column as it collapses. The events on this day have been analysed in detail (Fujii and Nakada 1999. 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