... delimitation 定界 delineation of ore deposits 矿体圈定 delorenzite 铀钇铁钛矿 ...
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delineation E of ore deposits 矿体圈定
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Exemplified by No. 512 uranium deposit, this paper discusses the delineation of ore bodies in sandstone type uranium deposits by uranium and thorium concentrations and their radioisotopes.
以512矿床为例，研究了砂岩铀矿体铀、钍含量及其放射性同位素分布规律，由此讨论铀矿体的定位条件。
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