Conodont stratigraphy and correlation of the Ordovician volcanogenic and volcanogenic sedimentary sequences in the South Urals

A revision of Ordovician series and stages from the historical type area

Richard A. Fortey, David A. T. Harper, J. K. Ingham et al. · Geological Magazine · 1995 · 222 citations

Natural Sciences, Earth Sciences, Geology +9

Ordovician conodont biogeography – reconsidered

Yong Yi Zhen, Ian G. Percival · Lethaia · 2003 · 118 citations

Natural Sciences, Ecology, Biogeography +14

Definition of a global boundary stratotype for the Darriwilian Stage of the Ordovician System

C E Mitchell, Xu Chen, SM Bergstrom et al. · Episodes · 1997 · 66 citations · Full text

Natural Sciences, Geology, Marine Geology +12

Evidence for 15 m.y. of continuous deep-sea biogenic siliceous sedimentation in early Paleozoic oceans

Tatiana Ju. Tolmacheva, Taniel Danelian, Leonid E. Popov · Geology · 2001 · 57 citations

Natural Sciences, Earth Sciences, Geology +13

The base of the Tetragraptus approximatus Zone at Mt. Hunneberg, S.W. Sweden: A proposed Global Stratotype for the Base of the Second Series of the Ordovician System

Jörg Maletz, Anita Löfgren, Stig M. Bergström · Newsletters on Stratigraphy · 1996 · 50 citations

Natural Sciences, Earth Sciences, Geology +10