Effusive eruptions ua kev puas tsuaj tab sis feem ntau tib neeg tuaj yeem khiav tawm, yog li muaj tsawg lossis tsis muaj neeg tuag. Mafic magma txias rau hauv ntau hom ntws xws li a'a, pāhoehoe, thiab hauv ncoo lava.
Puas effusive eruptions maj?
Effusive eruptions
Yog tias magma muaj viscosity tsawg (nws yog dej), roj tuaj yeem khiav tau yooj yim, yog li thaum lub magma tawg ntawm qhov chaw nws tsim cov lava ntws. Cov eruptions no yog (kuj!) maj mam, effusive eruptions.
Puas effusive lossis explosive eruptions txaus ntshai?
Hloov pauv, lava ntws los yog dome-forming (effusive) eruptions yog feem ntau tsis txaus ntshai , nrog rau kev cuam tshuam rau thaj tsam tam sim ntawd nyob ib puag ncig lub roob hluav taws, txawm hais tias eruptions ntawm loj mafic lava ntws. tuaj yeem rhuav tshem cov cuab yeej thiab tej zaum yuav muaj kev cuam tshuam rau huab cua hauv cheeb tsam 1.
Puas effusive eruptions ua puas?
Mafic magma tsim effusive eruptions. Lub siab tsim tab sis cov lava ntws ncaj nraim. Effusive eruptions ua kev puas tsuaj tab sis tsis tshua tua leej twg.
Yuav tawg tawg ua tawg tau?
Silicic magmas feem ntau tsim blocky lava ntws los yog ntxhab-sab mounds, hu ua lava domes, vim tias lawv cov viscosity siab tsis tso cai rau nws ntws zoo li cov bas altic magmas. … Yog hais tias qhov no tshwm sim, nws yog ib qho uas eruption yuav hloov los ntawm effusive mus explosive, vim yog lub siab tsim nyob rau hauv qab lub lava dome.
