The regional stratotype section and point for the base of the Hirnantian Stage (the uppermost Ordovician) at Mirny Creek, Omulev Mountains, Northeast Russia
[摘要]
[发布日期] [发布机构]
[效力级别] [学科分类] 地质学
[关键词] Hirnantian;regional stratotype;graptolites;brachiopods;NE Russia [时效性]
