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Application of thermomagnetic analysis to picroilmenite investigation

机译：热磁分析在云母钛矿研究中的应用

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摘要

Picroilmenite samples from five kimberlite pipes of the Yakutian kimberlite province have been studied. Point microprobe analyses of two mutually perpendicular profiles of each sample were carried out to study the compositional inhomogeneity of picroilmenite. Thermomagnetic curves were also recorded for each sample. A model for the processing of thermomagnetic curves is proposed on the basis of the relationship between the Curie point of picroilmenite and the content of the hematite end-member. The compositions determined by the thermomagnetic curves and microprobe analysis are rather similar. The conclusion has been drawn that thermomagnetic analysis can be used for the rapid determination of the picroilmenite composition. The possibilities and restrictions of this method are shown.
机译：研究了雅库特金伯利岩省的五个金伯利岩管中的次青石样品。对每个样品的两个相互垂直的轮廓进行点微探针分析，以研究软钛铁矿的组成不均匀性。还记录了每个样品的热磁曲线。根据软锰矿的居里点与赤铁矿端部含量之间的关系，提出了一种热磁曲线的处理模型。由热磁曲线和微探针分析确定的组成相当相似。得出的结论是，热磁分析可用于快速确定软钛铁矿的成分。显示了此方法的可能性和局限性。

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