Yuav ua li cas yog granite thiab rhyolite sib txawv?

Cov txheej txheem:

Yuav ua li cas yog granite thiab rhyolite sib txawv?
Yuav ua li cas yog granite thiab rhyolite sib txawv?
Anonim

Rhyolite yog ze ze rau granite. Nws txawv ntawm granite vim nws muaj ntau cov crystals zoo dua. Cov crystals no tsis tuaj yeem pom los ntawm qhov muag liab qab vim tias cov crystals me me heev. Tsis zoo li granite, nws yog tsim thaum lava txias rau lossis ze ntawm lub ntiaj teb saum npoo.

Dab tsi yog qhov txawv ntawm rhyolite thiab granite ob lo lus?

Rhyolite muaj feem cuam tshuam nrog granite. Qhov txawv yog rhyolite muaj ntau cov crystals zoo dua. … Rhyolite yog lub pob zeb extrusive igneous uas tau txias ntau sai dua li granite muab nws lub ntsej muag iav. Cov zaub mov uas tsim rhyolite yog quartz, feldspar, mica, thiab hornblende.

granite thiab rhyolite sib txawv li cas?

Txawm hais tias ob qho tib si muaj cov ntxhia sib xyaw, granite yog coarse-grained (intrusive), whereas rhyolite yog nplua-grained (extrusive). … Minerals uas crystallize nyob rau tib lub sij hawm (kub) yog feem ntau pom ua ke nyob rau hauv tib lub igneous pob zeb.

Dab tsi yog qhov txawv ntawm granite thiab bas alt?

Igneous pob zeb (Granites). Igneous pob zeb yog tsim los ntawm crystallisation ntawm magma. Qhov txawv ntawm granites thiab bas alts yog hauv silica cov ntsiab lus thiab lawv cov nqi cua txias. Ib qho bas alt yog li 53% SiO2, qhov granite yog 73%.

Dab tsi ua rau rhyolite tshwj xeeb?

Rhyolite yog pob zeb extrusive igneous nrog ib tug heevsiab silica cov ntsiab lus. Nws feem ntau yog xim liab lossis grey nrog cov nplej me me uas lawv nyuaj rau saib yam tsis muaj tes lo ntsiab muag. Rhyolite yog tsim los ntawm quartz, plagioclase, thiab sanidine, nrog me me ntawm hornblende thiab biotite.

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