Puas pahoehoe muaj viscosity siab?

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Puas pahoehoe muaj viscosity siab?
Puas pahoehoe muaj viscosity siab?

Video: Puas pahoehoe muaj viscosity siab?

Video: Puas pahoehoe muaj viscosity siab?
Video: Pahoehoe - All The Time 2024, Kaum ib hlis
Anonim

Pahoehoe lava yog du thiab tuaj yeem muaj ropy, billowy tsos. Nws tsis tshua muaj viscosity, qhov ntsuas ntawm cov kua tuab, thiab feem ntau txav mus qeeb.

pahoehoe puas yog viscosity?

Viscosity yog cov kua dej tsis kam ntws. … Lwm hom bas altic ntws yog pahoehoe (hais tias pa-hoy-hoy). Pahoehoe thiab aa muaj cov tshuaj tib yam txawm hais tias pahoehoe tsawg dua(kua ntau dua) ces aa vim cov pa roj tseem tsis tau khiav tawm. Pahoehoe lava ntws tau du, ropy nto.

Puas yog pahoehoe kua heev?

Pahoehoe (lo lus yog Hawaiian rau ropy) lava yog lo lus rau txias textures ntawm cov kua dej, roj-them lava ntwsthiab tau qhia raws li cov lus qhia los ntawm Clarance Dutton, ib., 1883. Qhov saum npoo ntawm Pahoehoe lava feem ntau yog du, undulant, lossis ropy (Daim duab 1). Cov textures no yog tsim los ntawm deformation ntawm ntws.

Puas pahoehoe lava tuab?

Lava ntws mus rau hiav txwv los ntawm lub roob hluav taws Kilauea, Hawaii, siv ob hom kev paub: nrawm nrawm, ropy lava, hu ua pahoehoe, thiab tuab, blocky lava, hu ua aa.

Puas yog pahoehoe lava mafic lossis felsic?

Mafic lava, uas tsim ntau ntawm dej hiav txwv crust, muaj magnesium thiab hlau. Mafic lava yog lub luag haujlwm tseem ceeb rau kev tsim cov Islands tuaj Hawaii. Ob hom ntawm mafic lava ntws tau paub los ntawm lawv lub npe Hawaiian: pahoehoe thiab aa. Pahoehoe lava yog billowy lava uas feem ntau wrinkled thiab ropy nyob rau hauv tsos.

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