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gamoyenebis TvalsazrisiT, arCeven Semdegi xarisxis<br />

pemzas: umaRlesi xarisxis (natexebis zoma 15-20 sm-ia),<br />

pirveli xarisxis namtvrevi pemza (natexebis zoma 10-15<br />

sm-ia), kakala anu pemzis gunda: msxvili (5-3sm), saSualo<br />

(3-1sm) da wvrili (1-0.65sm). bunebaSi metwilad gavrcelebulia<br />

pemzis gunda.<br />

pemzas iyeneben abraziul masalad, xis nakeTobaTa,<br />

liTonis, Zvlis, qvis, gansakuTrebiT marmarilos saxexad<br />

da mosapirkeTeblad, tyavis gamosayvanad, kustaruli<br />

moTelvisaTvis. pemzis naSals iyeneben betonis Semvsebad,<br />

hidravlikuri cementis dasamzadeblad (pemzis qviSas),<br />

adsorbentad, minis warmoebaSi da sxv.<br />

s.-s. orbeliani forovan qans – pemzas, laquards<br />

uwodebs: `laquardi es aris Rrublisa da faSvis<br />

msgavsad dafuWvili, gina oRroCoRro qva~.<br />

saqarTveloSi andezitur lavebTan dakavSirebuli<br />

pemzis mcire sididis gamosavlebi gvaqvs yazbegis raionSi<br />

(arSa, fanSeTi), mdinare Cxeris xeobaSi da sxv. pemza<br />

gvxvdeba agreTve Savi zRvis piras, plaJis zonaSi.<br />

piroklasturi qanebi<br />

piroklastur anu vulkanur namsxvrev qanebs Sualedi<br />

adgili uWiravs magmur da danaleq qanebs Soris.<br />

piroklasturi qanebi warmoSobiT magmuria, magram wolis<br />

formiT ufri danaleq qans warmoadgens da metwilad<br />

danaleq qanebs Soris ganixileba. piroklastoliTebi<br />

ewodeba dedamiwis zedapirze daleqil namsxvrev qanebs,<br />

romlebic amosrolilia vulkanebis moqmedebis procesSi.<br />

maT miekuTneba vulkanuri breqCiebi (tufobreqCiebi),<br />

tufo-konglomeratebi, vulkanuri tufebi, tufitebi.<br />

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