Cordierite feem ntau tshwm sim hauv kev sib cuag lossis cheeb tsam metamorphism ntawm pob zeb pelitic. Nws yog tshwj xeeb tshaj yog muaj nyob rau hauv hornfels tsim los ntawm kev sib cuag metamorphism ntawm pelitic pob zeb. … Cordierite kuj tshwm sim hauv qee cov granites, pegmatites, thiab norites hauv gabbroic magmas. Cov khoom hloov pauv muaj xws li mica, chlorite, thiab talc.
pob zeb dab tsi yog cordierite?
Cordierite, tseem hu ua dichroite los yog iolite, xiav silicate ntxhia uas tshwm sim li muaju los yog nplej hauv igneous pob zeb. Nws feem ntau tshwm sim nyob rau hauv thermally hloov av nplaum-nplua nuj sediments nyob ib ncig ntawm igneous intrusions thiab nyob rau hauv schists thiab paragneisses.
Puas yog cordierite igneous metamorphic lossis sedimentary?
Cordierite yog cov ntxhia hauv nruab nrab thiab qib siab pelitic metamorphic pob zeb. Nws kuj yog ib yam li porphyroblasts hauv hornfels pom nyob rau hauv kev sib cuag metamorphic zones. Txaus siab los ntawm qhov tsis tshua muaj siab lossis kub siab. Nws tsis tshua muaj nyob rau hauv cov pob zeb uas tsis muaj zog, thiab tej zaum yuav ua rau lub assimilation ntawm aluminous sediments.
Dab tsi txawv xim tuaj yeem cordierite tshwm?
Lub cev muaj zog ntawm Cordierite
Muaj zog pleochroic. Feem ntau cov qauv tshwm sim xiav rau violet hauv cov xim tab sis tuaj yeem pom meej, grey, lossis daj los ntawm lwm cov lus qhia.
YPuas yog cordierite ib quartz?
Quartz zoo ib yam li untwinned cordierite tab sis quartz yog uniaxial (+). Cordierite feem ntau yog me ntsis hloov pauv tag nrho, muab nws lub ntsej muag hazy lossis scuzzy; quartztsis hloov.
