搜索结果: 1-1 共查到“火山学 Ordovician”相关记录1条 . 查询时间(0.031 秒)
Discovery of the Ordovician Kinnekulle K-bentonite at the Põõsaspea cliff,NW Estonia
Kinnekulle K-bentonite metabentonite Ordovician Keila Stage Baltoscandia
2009/10/21
A previously unknown outcrop of the Kinnekulle K-bentonite (metabentonite) is reported from the Põõsaspea cliff, NW Estonia. The bed has a sharp lower and a gradational upper contact and...