第二种测定法是古磁学分析法， 也叫磁极地层学测定法。
The second dating method was palaeo - magnetic analysis, or magnetic polarity stratigraphy .
根据对塔里木盆地露头剖面的层序地层学研究，建立了震旦-泥盆纪古海平面变化曲线。
Based on sequence strati graphy work for the outcrops in tarim basin the author sets up the sealevel changes curve of sinian period to devonian period.
红粘土；磁性地层学；古环境；新近纪；吕梁山西麓。
Red Clay; Magnetostratigraphy; Paleoenvironment; Neogene; West piedmont of Luliang Mountains.
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