varve

Detailed investigations were carried out on the upper undisturbed sediments from Erlongwan maar lake, NE China, which are better annually laminated sediments(varve).

通过对东北二龙湾玛珥湖顶部无扰动岩心显微研究，证明此岩心发育有良好的年纹层。

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.

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。