Volcanic iav yog dab tsi?
Volcanic iav yog dab tsi?

Video: Volcanic iav yog dab tsi?

Video: Volcanic iav yog dab tsi?
Video: Koj lub siab yog dab tsi ua? 8/3/2017 2024, Lub peb hlis ntuj
Anonim

Volcanic iav , txhua lub pob zeb iav tsim los ntawm lava lossis magma uas muaj tshuaj lom neeg nyob ze ntawm granite (quartz ntxiv rau alkali feldspar). Xws li cov khoom molten yuav ncav cuag qhov kub thiab txias tsis muaj crystallizing, tab sis nws cov viscosity yuav dhau los ua siab heev.

Ua li no, volcanic iav hu ua dab tsi?

Obsidian yog ib txwm tshwm sim iav volcanic tsim raws li ib tug extrusive igneous pob zeb. Obsidian yog tsim thaum felsic lava extruded los ntawm ib roob hluav taws txias sai sai nrog tsawg kawg nkaus crystal kev loj hlob.

Tom qab, lo lus nug yog, dab tsi yog obsidian ua los ntawm? Obsidian , igneous pob zeb tshwm sim raws li ib tug ntuj iav tsim los ntawm ceev ceev txias ntawm viscous lava los ntawm volcanoes. Obsidian yog nplua nuj nyob rau hauv silica (kwv yees li 65 mus rau 80 feem pua), muaj dej tsawg, thiab muaj cov tshuaj muaj pes tsawg leeg zoo ib yam li rhyolite. Obsidian muaj ib tug glazed luster thiab yog me ntsis nyuaj tshaj qhov rais iav.

Hais txog qhov no, volcanic iav siv rau dab tsi?

Tsis ntev los no, iav volcanic ua tau siv li molecular sieve rau adsorb thiab cais luv hydrocarbons xws li propane / propylene los yog kev sib cais ntawm luv olefins (C5-C9). Xav txog cov chaw no, lub iav volcanic yog cov khoom siv uas muaj peev xwm ua tau zoo rau kev xaiv adsorption ntawm biomolecules sib txawv.

Dab tsi yog qhov txawv ntawm Obsidian thiab volcanic iav?

Obsidian yog cim los ntawm nws tsis muaj crystals. Vim tias cov crystals tsis tuaj yeem tsim hauv qhov xwm txheej no, lava txias rau hauv ib qho iav volcanic tsis muaj crystals! Obsidian yog cov ntxhia zoo li, tab sis tsis yog cov pob zeb tiag tiag vim li a iav nws tsis yog crystalline; Nyob rau hauv tas li ntawd, nws muaj pes tsawg leeg yog heev complex kom muaj xws li ib tug mineral.

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