Dab tsi ntawm metamorphism tsim marble?
Dab tsi ntawm metamorphism tsim marble?

Video: Dab tsi ntawm metamorphism tsim marble?

Video: Dab tsi ntawm metamorphism tsim marble?
Video: Koj Hais Dab Tsi?/Suabci Kwm & Ab Meej Ham/Official MV 2023 2024, Hlis ntuj nqeg
Anonim

Feem ntau cov ntaub ntawv marble ntawm convergent phaj ciam teb qhov chaw loj ntawm lub ntiaj teb lub crust raug rau lub regional metamorphism. Qee cov marble kuj tsim los ntawm kev sib cuag metamorphism thaum lub cev kub magma heats nyob ib sab limestone los yog dolostone.

Hais txog qhov no, yuav ua li cas marble yog tsim?

Marble yog lub pob zeb metamorphic tsim thaum limestone raug rau qhov kub thiab txias. Marble daim ntawv nyob rau hauv xws li mob vim lub calcite tsim cov limestone recrystallises tsim ib lub pob zeb denser uas muaj roughly equigranular calcite crystals.

Tsis tas li ntawd, puas yog marble sedimentary igneous lossis metamorphic? Marble tsis raug cais raws li qhov tsis zoo pob zeb . Tiag tiag marble yog ib metamorphic pob zeb - nws tsim thaum limestone yog raug cua sov thiab siab los ntawm txhua sab. Nws zoo li no: Qee qhov pob zeb uas yog hu ua "marble" los ntawm builders thiab stonemasons tsis metamorphic.

Raws li txoj cai, dab tsi qib ntawm metamorphism yog marble?

7.2 Kev faib tawm ntawm Metamorphic Pob Zeb

Qib qis heev Qib nrab
Granite tsis hloov tsis hloov
Basalt tshuaj chlorite amphibolite
Sandstone tsis hloov quartzite
Limestone hloov me ntsis marble

Puas yog Marble Ib lub pob zeb metamorphic?

Marble yog a metamorphic pob zeb muaj li ntawm recrystallized carbonate minerals, feem ntau calcite los yog dolomite. Marble feem ntau tsis foliated, txawm tias muaj kev zam. Hauv geology, lo lus " marble " hais txog metamorphosed limestone, tab sis nws siv nyob rau hauv stonemasonry ntau broadly encompasses unmetamorphosed limestone.

Pom zoo: