Dab tsi yog xim olivine?
Dab tsi yog xim olivine?

Video: Dab tsi yog xim olivine?

Video: Dab tsi yog xim olivine?
Video: khuv xim koj ua dab tsi By Paj vuam vaj nkauj tawm tshiab 2023 2024, Kaum ib hlis
Anonim

ntsuab in

Ntawm no, olivine nyob qhov twg?

Olivine tshwm sim hauv mafic thiab ultramafic igneous pob zeb. Nws kuj yog pom nyob rau hauv metamorphic pob zeb thiab Serpentine deposits raws li ib tug thawj mineral. Olivine kuj tuaj yeem tshwm sim hauv meteorites.

Tsis tas li ntawd, yog vim li cas olivine ntsuab? Olivine yog lub npe rau nws feem ntau olive- ntsuab xim, xav tias yog ib qho tshwm sim ntawm cov kab npib tsib xee, txawm tias nws tuaj yeem hloov mus rau xim liab los ntawm oxidation ntawm hlau. Lub metamorphism ntawm impure dolomite los yog lwm cov pob zeb sedimentary nrog siab magnesium thiab cov ntsiab lus silica tsawg kuj ua rau Mg-nplua nuj. olivine , los yog forsterite.

Ntxiv mus, dab tsi yog qhov cleavage ntawm olivine?

(Fe, Mg) 2SiO4), Hlau - Magnesium Silicate. Xim. Pale txiv ntseej ntsuab rau daj-ntsuab, qee zaus xim av. Cleavage . pluag kev tawg ua ob 90o.

Cov tshuaj formula ntawm olivine yog dab tsi?

Tshuaj muaj pes tsawg leeg Qhov ntau tshaj cov olivines tshwm sim hauv qhov system los ntawm forsterite (Mg2SiO4) mus fayalite (Fe2SiO4). Feem ntau ntawm cov xwm txheej tshwm sim cov olivines yog nruab nrab hauv muaj pes tsawg leeg rau ob tus neeg kawg no thiab muaj tus thawj coj qauv (Mg, Fe)2SiO4.

Pom zoo: