Gerd Geyer

The quest for internationally recognized divisions of Cambrian time

Gerd Geyer, J. H. Shergold · Episodes · 2000 · 246 citations · Full text

Duration of the Early Cambrian: U-Pb ages of volcanic ashes from Avalon and Gondwana

Ed Landing, Samuel A. Bowring, Kathleen L. Davidek et al. · Canadian Journal of Earth Sciences · 1998 · 220 citations

Engineering, Volcanic Ashes, Precambrian Geology +11

Cambrian Evolutionary Radiation: Context, correlation, and chronostratigraphy—Overcoming deficiencies of the first appearance datum (FAD) concept

Ed Landing, Gerd Geyer, Martin D. Brasier et al. · Earth-Science Reviews · 2013 · 206 citations

Engineering, First Appearance Datum, Precambrian Geology +9

New high‐resolution age data from the Ediacaran–Cambrian boundary indicate rapid, ecologically driven onset of the Cambrian explosion

Ulf Linnemann, Maria Ovtcharova, Urs Schaltegger et al. · Terra Nova · 2018 · 192 citations

Engineering, Precambrian Geology, Ecological Cascades +12

A unified Lower - Middle Cambrian chronostratigraphy for West Gondwana

Gerd Geyer, Ed Landing · Acta Geologica Polonica · 2004 · 115 citations

Biology, Moroccan Margins, Engineering +13