Origin of allanite in gneiss and granite in the Dabie orogenic belt .Dec 16, 2016 . tions of Th and U in allanite make it a good tool for both U-Pb and .. The allanite may have been inherited from the protolith gneiss (Xu et al., 2005; Yang et .. Fresh rock samples were crushed in steel jaw crushers and pow-.need make allanite crusher,need make allanite crusher,ALLANITE (Calcium Rare Earth Aluminum Iron Silicate Hydroxide)Allanite, also known as "orthite" in Europe, is one of the most common rare . it can possess elements that other minerals just seem to not want (i.e. the "trash") or.Allanite - WikipediaAllanite (also called orthite) is a sorosilicate group of minerals within the broader epidote group . Also highly radioactive grains of allanite often have their structure disrupted or are . Create a book · Download as PDF · Printable version.
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