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Overview

Gerd Geyer is affiliated with the University of Würzburg in Germany and has a research focus within Earth and Planetary Sciences. Their work encompasses a wide range of subfields including Paleontology, Geophysics, Atmospheric Science, Earth-Surface Processes, and Geology.

The scientist's research topics cover diverse areas such as:

  • Paleontology and Stratigraphy of Fossils
  • Geological and Geochemical Analysis
  • Geology and Paleoclimatology Research
  • Geological formations and processes
  • Hydrocarbon exploration and reservoir analysis
  • Geological and Geophysical Studies
  • Paleontology and Evolutionary Biology

Geyer has contributed to numerous publications, with recent papers including:

  • Greater Avalonia-latest Ediacaran-Ordovician "peribaltic" terrane bounded by continental margin prisms ("Ganderia," Harlech Dome, Meguma): Review, tectonic implications, and paleogeography (2021, Earth-Science Reviews)
  • Asynchronous trilobite extinctions at the early to middle Cambrian transition (2020, Geology)
  • Precise early Cambrian U-Pb zircon dates bracket the oldest trilobites and archaeocyaths in Moroccan West Gondwana (2020, Geological Magazine)
  • (Re)proposal of three Cambrian Subsystems and their Geochronology (2020, Episodes)
  • Environmental constraints on the distribution of matground and mixground ecosystems across the Cambrian Series 2-Miaolingian boundary interval in Iran: A case study for the central sector of northern Gondwana (2021, Journal of African Earth Sciences)

The scientist has published in prominent venues such as Geological Magazine, Abstracts with programs - Geological Society of America, Canadian Journal of Earth Sciences, Journal of African Earth Sciences, and Paläontologische Zeitschrift.

Collaborations have frequently involved co-authors including Ed Landing, Stephen R. Westrop, Mark D. Schmitz, Thomas Wotte, and Mehdi Daraei.

Gerd Geyer has authored work published by Wiley, notably the book titled Ellipsocephalid trilobites from Cambrian Series 2 and Stage 4 released in 2022.

Best Publications

  • The quest for internationally recognized divisions of Cambrian time

    Gerd Geyer;John Shergold

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

    Ed Landing;Samuel A Bowring;Kathleen L Davidek;Stephen R Westrop

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

    Ed Landing;Gerd Geyer;Gerd Geyer;Martin D. Brasier;Samuel A. Bowring

  • 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;Andreas Gärtner

  • A unified Lower - Middle Cambrian chronostratigraphy for West Gondwana

    Gerd Geyer;Ed Landing

  • Palaeogeographical controls on the Cambrian trilobite immigration and evolutionary patterns reported in the western Gondwana margin

    J. Javier Álvaro;Olaf Elicki;Gerd Geyer;Adrian W.A. Rushton

  • Global standard names for the Lowermost Cambrian Series and Stage

    Ed Landing;Shanchi (彭善池) Peng;Loren E. Babcock;Gerd Geyer

  • Revised Lower to lower Middle Cambrian biostratigraphy of Morocco

    Gerd Geyer

  • The Henson Gletscher Formation, North Greenland, and its bearing on the global Cambrian Series 2-Series 3 boundary

    Gerd Geyer;John S. Peel

  • A comprehensive Cambrian correlation chart

    Gerd Geyer

  • LATEST EARLY CAMBRIAN SMALL SHELLY FOSSILS, TRILOBITES, AND HATCH HILL DYSAEROBIC INTERVAL ON THE QUÉBEC CONTINENTAL SLOPE

    Ed Landing;Gerd Geyer;Kenneth E. Bartowski

  • Intercontinental, trilobite-based correlation of the Moroccan early Middle Cambrian

    Gerd Geyer

  • Challenges in defining the base of Cambrian Series 2 and Stage 3

    Xingliang Zhang;Per Ahlberg;Loren E. Babcock;Duck K. Choi

  • The base of a revised Middle Cambrian: are suitable concepts for a series boundary in reach?

    Gerd Geyer

  • Neltneriidae and Holmiidae (Trilobita) from Morocco and the problem of Early Cambrian intercontinental correlation

    Gerd Geyer;Allison R. Palmer

  • Distinguishing eustatic and epeirogenic controls on Lower–Middle Cambrian boundary successions in West Gondwana (Morocco and Iberia)

    Ed Landing;Gerd Geyer;Wolfram Heldmaier

  • Greater Avalonia—latest Ediacaran–Ordovician “peribaltic” terrane bounded by continental margin prisms (“Gander,” Harlech Dome, Meguma): Review, tectonic implications, and paleogeography

    Ed Landing;J. Duncan Keppie;D. Fraser Keppie;Gerd Geyer

  • MIDDLE CAMBRIAN OF AVALONIAN MASSACHUSETTS: STRATIGRAPHY AND CORRELATION OF THE BRAINTREE TRILOBITES

    Gerd Geyer;Ed Landing

  • The Subcommission on Cambrian Stratigraphy: the status quo

    Unknown

  • Early evolution of colonial animals (Ediacaran Evolutionary Radiation–Cambrian Evolutionary Radiation–Great Ordovician Biodiversification Interval)

    Ed Landing;Jonathan B. Antcliffe;Gerd Geyer;Artem Kouchinsky

  • Facies architecture, depositional environments, and sequence stratigraphy of the Middle Cambrian Fasham and Deh-Sufiyan Formations in the central Alborz, Iran

    Aram Bayet-Goll;Gerd Geyer;Markus Wilmsen;Asadollah Mahboubi

  • The Fish River Subgroup in Namibia: stratigraphy, depositional environments and the Proterozoic-Cambrian boundary problem revisited

    G. Geyer

Frequent Co-Authors

Ed Landing
Ed Landing Columbia University in the City of New York
Ulf Linnemann
Ulf Linnemann Senckenberg Naturmuseum
John S. Peel
John S. Peel Uppsala University
Maria Ovtcharova
Maria Ovtcharova University of Geneva
Loren E. Babcock
Loren E. Babcock The Ohio State University
Mandy Hofmann
Mandy Hofmann Senckenberg Naturmuseum
Alfred Uchman
Alfred Uchman Jagiellonian University
Markus Wilmsen
Markus Wilmsen Senckenberg Museum für Naturkunde Görlitz
Mark D. Schmitz
Mark D. Schmitz Boise State University

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