Sphene, perovskite and coexisting Fe-Ti oxide minerals

被引：0
|
作者：
Smith, A. L. [1 ]
机构：
[1] Univ Calif Berkeley, Dept Geol & Geophys, Berkeley, CA 94720 USA
来源：
AMERICAN MINERALOGIST | 1970年 / 55卷 / 1-2期
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D O I：
暂无
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Analytical data on perovskite, sphene and their coexisting Fe-Ti oxides are given. Sphene contains high ZrO3 (up to 3.6%), less Nb2O3 and small amounts of F. Perovskite is rich in the rare earths (up to 7.4%), strontium, sodium and niobium. On average, sphene has 8.2 wt. % minor element substitution and perovskite 10.8 wt. %. The coexisting titanomagnetites have less than 45% Fe2TiO4, but may be relatively magnesian (up to 7.0%).
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页码：264 / 269
页数：6
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