... 原生成分：genetic composition 原生沉积;原生矿床：primary deposit 原生沉积：primary sedimentation ...
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桂西铝土矿有原生沉积型和堆积型两种矿床类型，它们关系密切。
Primary and cumulated type bauxite deposits occur in the western Guangxi district, there is a relationship between these two type bauxite deposits.
其他矿物质来源于原生沉积铝土矿床，并与堆积矿同产于一个层位。
The metallogenic matter are derived from the primary sedimentary bauxite, and granted accumulative bauxite located in the same position.
恢复原生沉积构造的原始产状要素，是古水流分析中的一项重要基础工作。
To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis.
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