单县毛庄地区第四纪地层划分新认识

New Understanding on Quaternary Stratigraphic Division in Maozhuang Area of Shanxian County

摘要:

单县毛庄地区砂金矿普查钻探资料及其所揭示的标志层（灰黑色黏土层）14C同位素测年结果为2230±790aB.P.，树轮校正年龄为2230±950aB.P.，该地层属于全新世白云湖组，其与单县组呈同时异相关系。

Abstract:

As showed by general survey of gold placer deposit and revealed by sign layers(gray-black clay layer) in Maozhuang area of Shanxian county, its isotopic 14C dating results of symbol layers is 2   230 ± 790   aB.P., while its tree-ring adjustment ag