纹泥是形成于冰水湖泊中的纹层状沉积物，纹泥可以帮助确定冰盖撤退期间事件发生的时代。
n. varve
misc. laminated clay ; varve clay
... varnish 光漆；绝缘漆；“光油” varved clay 带状黏土；成层黏土；纹泥 vegetation cover 植物覆盖层；植被 ...
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湖泊纹泥和湖相页岩主要沉积于湖水明显分层的条件下，湖水的分层受气候、盐度、水体深度等多方面的控制。
Lacustrine laminae are mainly deposited in lake water with obvious layering. Such factors as temperature, salinity and depth control the water layering.
页岩中风成粉砂沉积的发现，可以进一步为研究有关湖相页岩和第四纪纹泥的古气候变化、正确恢复古湖泊沉积环境提供良好的指标。
The aeolian silty sand in shale can provide good guide to study of paleoclimate about lacustrine shale and varve, and to reconstruct sedimentary environment of paleolake accurately.
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