World's Best Scientists 2026 revealed!

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Earth Science

D-Index
31
Citations
3459
World Ranking
8974
National Ranking
453

Overview

Karem Azmy is affiliated with Memorial University of Newfoundland in Canada and has contributed extensively to the field of Earth and Planetary Sciences with a particular focus on paleontology, geochemistry, and geophysical studies. Their research output includes a significant number of publications categorized under various subfields such as Paleontology, Geochemistry and Petrology, Mechanics of Materials, Geophysics, and Atmospheric Science.

Azmy's recent scholarly works cover diverse aspects of geological and geochemical phenomena, emphasizing the study of ancient sedimentary systems and reservoir quality. Notable papers include:

  • Fault-controlled hydrothermal dolomitization of Middle Permian in southeastern Sichuan Basin, SW China, and its temporal relationship with the Emeishan Large Igneous Province: New insights from multi-geochemical proxies and carbonate U-Pb dating (2022), published in Sedimentary Geology
  • Impact of diagenesis on reservoir quality of the lacustrine mixed carbonate-siliciclastic-volcaniclastic rocks in China (2022), published in Journal of Asian Earth Sciences
  • U-Pb geochronology and clumped isotope thermometry study of Neoproterozoic dolomites from China (2022), published in Sedimentology
  • Diagenesis of the Vaca Muerta Formation, Neuquén Basin: Evidence from petrography, microthermometry and geochemistry (2020), published in Marine and Petroleum Geology
  • Decrypting geochemical signatures in subsurface Niger delta sediments: Implication for provenance, weathering, and paleo-environmental conditions (2021), published in Marine and Petroleum Geology

Their main fields of study encompass a total of 120 publications in Earth and Planetary Sciences, with key concentration in subfields such as:

  • Paleontology (43 publications)
  • Geochemistry and Petrology (31 publications)
  • Mechanics of Materials (22 publications)
  • Geophysics (17 publications)
  • Atmospheric Science (16 publications)

Azmy's core research topics include:

  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Hydrocarbon exploration and reservoir analysis
  • Geological and Geochemical Analysis
  • Geology and Paleoclimatology Research
  • Geological and Geophysical Studies
  • Geochemistry and Geologic Mapping

The researcher has published prolifically in several key journals, indicating a strong presence in the field's literature. Frequent publication venues include:

  • Marine and Petroleum Geology (21 publications)
  • Palaeogeography Palaeoclimatology Palaeoecology (5 publications)
  • SSRN Electronic Journal (5 publications)
  • Chemical Geology (4 publications)
  • Sedimentology (3 publications)

Karem Azmy has collaborated extensively with several researchers, maintaining frequent co-authorships with:

  • Anqing Chen (7 joint publications)
  • Guoqiang Luan (7 joint publications)
  • Huaguo Wen (6 joint publications)
  • Chengyan Lin (6 joint publications)
  • Huachuan Jiang (5 joint publications)

This comprehensive collaboration and publication record illustrate the scientist's active engagement in advancing research in sedimentology, geochemistry, paleontology, and hydrocarbon reservoir studies.

Best Publications

  • 87Sr/86Sr, δ13C and δ18O evolution of Phanerozoic seawater

    Ján Veizer;Ján Veizer;Davin Ala;Karem Azmy;Peter Bruckschen

  • 87 Sr/ 86 Sr,δ 13 Candδ 18 Oevolution of Phanerozoic seawater

    Ján Veizer;Davin Ala;Karem Azmy;Peter Bruckschen

  • Coupling of surface temperatures and atmospheric CO2 concentrations during the Palaeozoic era.

    Rosemarie E. Came;John M. Eiler;Ján Veizer;Karem Azmy

  • Oxygen isotope evolution of Phanerozoic seawater

    Ján Veizer;Ján Veizer;Peter Bruckschen;Frank Pawellek;Andreas Diener

  • Strontium isotope stratigraphy: potential resolution and event correlation

    Ján Veizer;Ján Veizer;Dieter Buhl;Andreas Diener;Stefan Ebneth

  • Oxygen and carbon isotopic composition of Silurian brachiopods: Implications for coeval seawater and glaciations

    Karem Azmy;Ján Veizer;Michael G. Bassett;Paul Copper

  • Oxygenation of the mid-Proterozoic atmosphere: clues from chromium isotopes in carbonates

    G.J. Gilleaudeau;R. Frei;A.J. Kaufman;L.C. Kah

  • Chemostratigraphic correlation of Neoproterozoic successions in South America

    Aroldo Misi;Alan J. Kaufman;Jàn Veizer;Jàn Veizer;Kelli Powis

  • Biogenic and abiogenic low-Mg calcite (bLMC and aLMC): Evaluation of seawater-REE composition, water masses and carbonate diagenesis

    Karem Azmy;Uwe Brand;Paul J. Sylvester;Sara A. Gleeson

  • The end‐Permian mass extinction: A rapid volcanic CO2 and CH4‐climatic catastrophe

    Uwe Brand;Renato Posenato;Rosemarie Came;Hagit Affek

  • Dolomitization and isotope stratigraphy of the Vazante Formation, São Francisco Basin, Brazil

    Karem Azmy;Jan Veizer;Jan Veizer;Aroldo Misi;Tolentino Flávio de Oliveira

  • Origin of Lower Ordovician dolomites in eastern Laurentia: Controls on porosity and implications from geochemistry

    Ebube Azomani;Karem Azmy;Nigel Blamey;Nigel Blamey;Uwe Brand

  • Global correlation of the Vazante Group, São Francisco Basin, Brazil: Re-Os and U-Pb radiometric age constraints

    Karem Azmy;Brian Kendall;Robert A. Creaser;Larry Heaman

  • Oxygen isotopes and MgCO3 in brachiopod calcite and a new paleotemperature equation

    Uwe Brand;K. Azmy;M.A. Bitner;A. Logan

  • Diagenetic evaluation of a Pennsylvanian carbonate succession (Bird Spring Formation, Arrow Canyon, Nevada, U.S.A.) — 1: Brachiopod and whole rock comparison

    Uwe Brand;Ganqing Jiang;Karem Azmy;James Bishop

  • Magnesium-isotope and REE compositions of Lower Ordovician carbonates from eastern Laurentia: Implications for the origin of dolomites and limestones

    Karem Azmy;Denis Lavoie;Zhengrong Wang;Uwe Brand

  • Diagenesis and origin of calcite cement in the Flemish Pass Basin sandstone reservoir (Upper Jurassic): Implications for porosity development

    Di Xiong;Karem Azmy;Nigel J.F. Blamey

  • Is mid-late Paleozoic ocean-water chemistry coupled with epeiric seawater isotope records?

    Uwe Brand;Jun Ichi Tazawa;Hiroyoshi Sano;Karem Azmy

  • Silurian strontium isotope stratigraphy

    Karem Azmy;Jan Veizer;Jan Veizer;Bernd Wenzel;Michael G. Bassett

  • Heavy metal contamination from gold mining recorded in Porites lobata skeletons, Buyat-Ratototok district, North Sulawesi, Indonesia.

    Evan N. Edinger;Karem Azmy;Wilfredo Diegor;P. Raja Siregar

  • Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans

    Geoffrey J. Gilleaudeau;Geoffrey J. Gilleaudeau;Stephen J. Romaniello;Genming Luo;Alan J. Kaufman

  • Dolomitization of the Lower Ordovician Aguathuna Formation carbonates, Port au Port Peninsula, western Newfoundland, Canada: implications for a hydrocarbon reservoir

    Karem AzmyK. Azmy;Denis LavoieD. Lavoie;Ian KnightI. Knight;Guoxiang ChiG. Chi

  • Isotope stratigraphy of the Lapa Formation, São Francisco Basin, Brazil: Implications for Late Neoproterozoic glacial events in South America

    Karem Azmy;Alan J. Kaufman;Aroldo Misi;Tolentino Flávio de Oliveira

  • Neotethys seawater chemistry and temperature at the dawn of the end Permian mass extinction

    Claudio Garbelli;Lucia Angiolini;Uwe Brand;Shu-zhong Shen

  • Methane Hydrate: Killer cause of Earth's greatest mass extinction

    Uwe Brand;Nigel Blamey;Claudio Garbelli;Erika Griesshaber

  • High-resolution chemostratigraphy of the Cambrian-Ordovician GSSP: Enhanced global correlation tool

    Karem Azmy;Svend Stouge;Uwe Brand;Gabriella Bagnoli

  • Dolomitization of the lower Ordovician Catoche formation: Implications for hydrocarbon exploration in western Newfoundland

    J. Conliffe;K. Azmy;M. Greene

  • Origin of bedding-parallel fibrous calcite veins in lacustrine black shale: A case study from Dongying Depression, Bohai Bay Basin

    Guoqiang Luan;Chunmei Dong;Karem Azmy;Chengyan Lin

  • 87 Srr 86 Sr, d 13 C and d 18 O evolution of Phanerozoic seawater

    Jan Veizer;Davin Ala;Karem Azmy;Peter Bruckschen

Frequent Co-Authors

Uwe Brand
Uwe Brand Brock University
Ján Veizer
Ján Veizer University of Ottawa
Alan J. Kaufman
Alan J. Kaufman University of Maryland, College Park
Denis Lavoie
Denis Lavoie Geological Survey of Canada
Lucia Angiolini
Lucia Angiolini University of Milan
Dieter Buhl
Dieter Buhl Ruhr University Bochum
Christoph Korte
Christoph Korte University of Copenhagen
Erika Griesshaber
Erika Griesshaber Ludwig-Maximilians-Universität München
Linda C. Kah
Linda C. Kah University of Tennessee at Knoxville
Harald Strauss
Harald Strauss University of Münster

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