Dab tsi yog lub khob hliav qab composite?
Dab tsi yog lub khob hliav qab composite?

Video: Dab tsi yog lub khob hliav qab composite?

Video: Dab tsi yog lub khob hliav qab composite?
Video: Koj yog Hmoov dab tsi? Leej twg Hmoov thiaj haum Koj 2024, Kaum ib hlis
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Composite cone volcanoes yog khob khob -zoo li lub roob hluav taws uas muaj cov txheej ntawm lava, tshauv thiab pob zeb khib nyiab. Composite cone volcanoes tuaj yeem loj hlob mus rau qhov siab ntawm 8,000 ko taw lossis ntau dua thiab muaj kev tawg tawg. Cinder khob khob volcanoes yog ntxhab, khob khob -zoo li lub roob hluav taws ua los ntawm lava fragments hu ua 'cinders.

Dhau li ntawm no, dab tsi yog qhov sib xyaw cone volcano?

Lub stratovolcano, tseem hu ua a volcano sib xyaw , yog conical roob hluav taws tsim los ntawm ntau txheej (strata) ntawm hardened lava, tephra, pumice thiab tshauv. Lub lava ntws los ntawm stratovolcanoes feem ntau txias thiab tawv ua ntej sib kis mus deb, vim muaj viscosity siab.

Tsis tas li ntawd, cov cones sib xyaw ua ke li cas? A sib xyaw volcano yog tsim ntau pua txhiab xyoo dhau los ntawm ntau qhov kev tawg. Lub eruptions tsim lub sib xyaw volcano, txheej rau txheej kom txog rau thaum nws towers ntau txhiab meters siab. Qee cov txheej yuav yog tsim los ntawm lava, thaum lwm tus yuav yog tshauv, pob zeb thiab pyroclastic ntws.

Tom qab ntawd, lo lus nug yog, dab tsi yog lub ntsiab lus ntawm kev sib xyaw cone?

Lub ntsiab lus ntawm composite cone .: ib volcanic khob khob tsim los ntawm intermingled masses los yog lwm txheej ntawm lava thiab fragmental khoom.

Nyob qhov twg yog qhov sib xyaw roob hluav taws pom?

Composite volcanoes feem ntau pom nyob rau ntawm qhov chaw puas tsuaj. Piv txwv ntawm cov volcanoes sib xyaw suav nrog Mount Fuji ( Nyiv ), Mount St Helens (USA) thiab Mount Pinatubo (Philippines). Shield volcanoes yog tsawg nrog maj mam sloping sab thiab yog tsim los ntawm cov khaubncaws sab nraud povtseg ntawm lava.

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