Gerd Geyer

1. Cambrian Evolutionary Radiation: Context, correlation, and chronostratigraphy—Overcoming deficiencies of the first appearance datum (FAD) concept
   2013/04/20 by Ed Landing, Gerd Geyer, Martin D. Brasier +1 · 3 citations
   Earth and Planetary Sciences · Physics and Astronomy · #Astro and Planetary Science #Geology and Paleoclimatology Research #Paleontology and Stratigraphy of Fossils
2. The Precambrian–Phanerozoic and Ediacaran–Cambrian boundaries: a historical approach to a dilemma
   2016/11/02 by Gerd Geyer, Ed Landing · 2 citations
   Earth and Planetary Sciences · #Paleontology and Stratigraphy of Fossils #Geological and Geophysical Studies #Geological and Geochemical Analysis
3. Foundational uncertainties in terminal Ediacaran chronostratigraphy revealed by high-precision zircon U-Pb geochronology of the Nama Group, Namibia
   2025/05/23 by Fred Bowyer, Fabio Messori, Rachel Wood +16 · 1 voice · 1 citation
   Earth and Planetary Sciences · #Geological and Geochemical Analysis #Geology and Paleoclimatology Research #Paleontology and Stratigraphy of Fossils
4. Cambrian microfossils from the High Atlas, Morocco: Taxonomic, biostratigraphic, palaeobiogeographic, and depositional significance of the Brèche à Micmacca limestone beds
   2022/10/11 by Kamal Mghazli, Nezha Lazreq, Gerd Geyer +3 · 1 citation
   Earth and Planetary Sciences · #Geological formations and processes #Geology and Paleoclimatology Research #Paleontology and Stratigraphy of Fossils