Puas yog felsic muaj silica siab?
Puas yog felsic muaj silica siab?

Video: Puas yog felsic muaj silica siab?

Video: Puas yog felsic muaj silica siab?
Video: Океанография лекция-8, морские провинции- континентальный шельф, склон, поднятие, абиссальная равнина, батиметрия, 2024, Kaum ib hlis
Anonim

Lub sij hawm los ntawm FEL rau feldspar (qhov no yog cov poov tshuaj-nplua nuj ntau yam) thiab SIC, uas qhia txog siab dua feem pua ntawm silica . Felsic cov ntxhia yog feem ntau lub teeb nyob rau hauv cov xim thiab muaj tshwj xeeb gravities tsawg dua 3.0. Feem ntau felsic Cov zaub mov muaj xws li quartz, muscovite mica, thiab orthoclase feldspars.

Tib neeg kuj nug, cov pob zeb mafic felsic puas muaj silica ntau dua?

Mafic lava tsim basalt thaum felsic lava tsim andesitic thiab rhyolite pob zeb . 5. Los ntawm kev piav qhia pob zeb lub lava, mafic txhais hais tias lub lava los yog pob zeb muaj tsawg silica thaum felsic implies tias lava los yog pob zeb muaj tus feem ntau silica.

Qhov thib ob, hom pob zeb uas tsis muaj zog yuav muaj cov silica ntau tshaj? Felsic igneous pob zeb

Ib yam li ntawd, lub pob zeb twg muaj pes tsawg leeg ntawm silica?

Compilations ntau pob zeb kev soj ntsuam qhia tias rhyolite thiab granite yog felsic, nrog rau qhov nruab nrab silica cov ntsiab lus ntawm kwv yees li 72 feem pua; syenite, diorite, thiab monzonite yog nruab nrab, nrog rau qhov nruab nrab silica cov ntsiab lus ntawm 59 feem pua; gabbro thiab basalt yog mafic, nrog rau qhov nruab nrab silica cov ntsiab lus ntawm 48 feem pua; thiab peridotite yog

Dab tsi yog felsic pob zeb siab?

Hauv geology, felsic yog ib qho kev piav qhia igneous pob zeb uas kuj nplua nuj nyob rau hauv cov ntsiab lus uas tsim feldspar thiab quartz. Nws yog contrasted nrog mafic pob zeb, uas kuj nplua nuj nyob rau hauv magnesium thiab hlau.

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