基岩经物理风化和化学风化作用后残留在原地的产物。成分有基岩碎屑、铁质、红土质(铁铝质)和黏土质沉积物等。碎屑呈棱角状,无分选性,层理不清楚。
残积土 [地质] residual soil ; Qel ; Sedentary soil
残积层 [地质] eluvium ; eluvial deposit ; residual overburden ; Qedl
残积物 residual deposit ; residual ; [地质] eluvium ; residual material
残积矿床 eluvial ore deposit ; eluvial placer ; residual sediment ; eluvial deposit
残积景观 [地理] eluvial landscape
淋溶残积层 eluvial horizon
残积粘土 residual clay
残积相 [岩] eluvial facies
土壤腐殖质残积层 agron
矿床成因属第四纪残积型。
The origin of the deposit belongs to Quarternary eluvial placer type.
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.
在火成岩地层中，它清晰地显示裂缝、孔洞以及风化残积的砾石。
In the igneous rock formation, CBIL shows fractures, vugs and weathered residual gravel clearly.
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