Electronmicroscopic examination shows that Ti-oxide (rutile or anatase) is replaced by brannerite, indicat-ing the metasomatic origin of brannerite.
在电镜下观察到钛铀矿与钛的
（
红石或锐钛矿）成交代关系，说明钛铀矿是交代成因的。
Electronmicroscopic examination shows that Ti-oxide (rutile or anatase) is replaced by brannerite, indicat-ing the metasomatic origin of brannerite.
在电镜下观察到钛铀矿与钛的（红石或锐钛矿）成交代关系，说明钛铀矿是交代成因的。
The structures often observed in Dushan jade include granular texture, cataclastic texture, porphyroid texture, metasomatic texture, nematoblastic texture, and mylonitization structure occasionally.
独山玉常
有粒
结构、碎裂结构、残斑结构、熔蚀交代结构，似斑结构，偶见
晶结构和糜棱结构；
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