relic mineral 中文意思是什麼
relic mineral
解釋
殘余礦物-
Beneath the relic sand of the outer shelf there is high grade of valuable heavy mineral sand ( for example ilmenite ) reaching the ii anomaly order of marine placers and it is of potential resource prospects
通過碎屑礦物判斷,原巖應是中酸性巖漿巖和淺變質巖類。鈦鐵礦等有用礦物在細砂層位中出現較厚的砂礦異常,顯示一定的淺海砂礦資源潛力。
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