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矿床成因属第四纪残积型。The origin of the deposit belongs to Quarternary eluvial placer type.

风化壳淋积型稀土矿床,在湘南地区普遍发育。The weathering crust- eluvial type REE deposits develop widely in southern Hunan.

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矿床成因属风化残积型,受地层、岩性的控制。Genetically, it is an eluvial deposit produced by weathering, controlled by the stratigraphy and lithology.

本文提出该矿床为古风化淋积成因的新认识。In this paper, a new recognition is presented that the genesis of this ore deposit is anciently weathered eluvial deposit.

铝土矿是陆上成矿,是植物化学风化残积矿床。The bauxite belongs to the genesis of continental mineralization and is batanogeochemical weathering eluvial ore deposits.

矿床成因类型属渗流热卤水一表生成因的残积粘土型金矿床,工业类型为红土型金矿床。The deposit belongs to vadose hot brine-supergene genetic eluvial clay-type gold deposit and to laterite-type gold-deposit in terms of industry.

钽铁矿的矿物性质是由石英核心带、K长石同化矿带和残积层部分组合而成的。The tantalite mineralisation at Portee appears to be associated with quartz core zones, zones of K-metasomatism and with eluvial concentrations.

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文章进一步讨论了香港花岗岩残积土不发育的原因和对工程性质的影响。In this paper a further discussion is made on the causes for undeveloped eluvial soil on granite in Hong Kong and its effect on engineering properties.

发生坡面流的斜坡残坡积土主要为粘性土,含少量块石或碎石,级配较好,且土层厚度小。The eluvial soils on slopes where surface flow occurs are mainly clayey soils with some blocks or debris. They have good grading distribution and a thin soil horizon.

在地基可靠度规改中,用单一的压缩模量确定地基承载力标准值有?。In the formulation of the ground reliability standard, it remains to be improved that the eluvial soil standard bearing capacity is determined only by one modulus of compressibility.

黔东北地区的氧化锰矿床系风化矿床,按其成因可进一步分为残积矿床和淋积矿床两种。Oxide manganese deposits in east-northern Guizhou are of exotic weathering deposits, further may be subdivided into two kinds of the eluvial ore deposit and the leaching-accretion deposit by genesis.