Video: Hornfels yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hornfels yog ib lub pob zeb metamorphic tsim los ntawm kev sib cuag ntawm av nkos / shale, los yog lwm yam av nplaum-nplua nuj pob zeb, thiab ib tug kub igneous lub cev, thiab sawv cev rau ib tug kub-hloov sib npaug ntawm cov thawj pob zeb. Cov txheej txheem no yog hu ua kev sib cuag metamorphism.
Hauv qhov no, Hornfels siv rau dab tsi?
Nyob rau hauv prehistoric lub sij hawm, hornfels yog siv los ua cov cuab yeej yooj yim xws li riam, scrapers, thiab xub thawj. Niaj hnub no nws yog siv Feem ntau raws li kev sib sau ua ke hauv paving thiab kev tsim kho lossis ua pob zeb zoo nkauj.
Tsis tas li ntawd, Hornfels puas muaj plagioclase? Lawv muaj garnet (grossularite), calcite, pyroxene thiab wollastonite thiab tsim txheej hauv amphibole hornfels thiab hornblende thiab biotite schist. Cov ntxhia hauv cov pob zeb uas tsis yog calcareous yog plagioclase , quartz, amphibole, garnet thiab sillimanite.
Tsis tas li ntawd, dab tsi yog grain loj ntawm Hornfels?
Hornfels : Hornfels yog lub pob zeb zoo-grained metamorphic tsis pom tseeb foliation. Nws tsim thaum sib cuag metamorphism ntawm qhov tob tob. Cov qauv qhia yog li ob nti (tsib centimeters) hla.
Puas yog Hornfels foliated?
Foliated metamorphic pob zeb xws li gneiss, phyllite, schist, thiab slate muaj ib txheej txheej los yog banded zoo li uas yog tsim los ntawm raug tshav kub thiab qhia siab. Tsis- foliated metamorphic pob zeb xws li hornfels , marble, quartzite, thiab novaculite tsis muaj txheej txheej lossis banded zoo li.
Pom zoo:
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