World's Best Scientists 2026 revealed!
Robert A. Creaser

Robert A. Creaser

D-Index & Metrics

Earth Science

D-Index
78
Citations
20442
World Ranking
589
National Ranking
22

Research.com Recognitions

  • 2008 - Fellow of the Royal Society of Canada Academy of Science

Overview

Robert A. Creaser is affiliated with the University of Alberta in Canada. Their research primarily spans Earth and Planetary Sciences, with a significant focus on Computer Science. The subfields of study include Geophysics, Artificial Intelligence, Geochemistry and Petrology, Paleontology, and Atmospheric Science.

The scientist's work covers a range of topics, including:

  • Geological and Geochemical Analysis
  • Geochemistry and Geologic Mapping
  • Earthquake and tectonic studies
  • High-pressure geophysics and materials
  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Geology and Paleoclimatology Research

Robert A. Creaser has contributed to several recent papers, such as:

  • "Determining the style and provenance of magmatic activity during the Early Aptian Oceanic Anoxic Event (OAE 1a)" (2021) published in Global and Planetary Change
  • "An Archean Porphyry-Type Gold Deposit: The Côté Gold Au(-Cu) Deposit, Swayze Greenstone Belt, Superior Province, Ontario, Canada" (2020) published in Economic Geology
  • "Shale and pyrite Re-Os ages from the Hornby Bay and Amundsen basins provide new chronological markers for Mesoproterozoic stratigraphic successions of northern Canada" (2020) published in Earth and Planetary Science Letters
  • "A Middle Devonian basin-scale precious metal enrichment event across northern Yukon (Canada)" (2020) published in Geology
  • "Biomass-Derived Provenance Dominates Glacial Surface Organic Carbon in the Western Himalaya" (2020) published in Environmental Science & Technology

Frequent co-authors in Robert A. Creaser's research include:

  • Jonathan Toma
  • Danny Hnatyshin
  • Thomas Chacko
  • José Perelló
  • Nicolas J. Saintilan

Common publication venues are:

  • Economic Geology
  • Geology
  • Mineralium Deposita
  • Ore Geology Reviews
  • Precambrian Research

In recognition of contributions to science, Robert A. Creaser was named a Fellow of the Royal Society of Canada in 2008, under the Academy of Science category.

Best Publications

  • A Whiff of Oxygen Before the Great Oxidation Event

    Ariel D. Anbar;Yun Duan;Timothy W. Lyons;Gail L. Arnold

  • A-type granites revisited: Assessment of a residual-source model

    Robert A. Creaser;Richard C. Price;Richard J. Wormald

  • Negative thermal ion mass spectrometry of osmium, rhenium, and iridium

    R. A. Creaser;D. A. Papanastassiou;G. J. Wasserburg

  • Cretaceous oceanic anoxic event 2 triggered by a massive magmatic episode

    Steven C. Turgeon;Robert A. Creaser

  • Macroscale NTIMS and microscale LA-MC-ICP-MS Re-Os isotopic analysis of molybdenite: Testing spatial restrictions for reliable Re-Os age determinations, and implications for the decoupling of Re and Os within molybdenite

    David Selby;Robert A. Creaser

  • Re-Os Geochronology and Systematics in Molybdenite from the Endako Porphyry Molybdenum Deposit, British Columbia, Canada

    David Selby;Robert A. Creaser

  • Re-Os geochronology of organic rich sediments: an evaluation of organic matter analysis methods

    David Selby;Robert A. Creaser

  • Re-Os geochronology of postglacial black shales in Australia: Constraints on the timing of “Sturtian” glaciation

    Brian Kendall;Robert A. Creaser;David Selby

  • Isotopic evidence for geochemical decoupling between ancient epeiric seas and bordering oceans: Implications for secular curves

    C. Holmden;R. A. Creaser;K. Muehlenbachs;S. A. Leslie

  • Osmium Recycling in Subduction Zones

    Alan D. Brandon;Robert A. Creaser;Steven B. Shirey;Richard W. Carlson

  • Re-Os and Mo isotope systematics of black shales from the Middle Proterozoic Velkerri and Wollogorang Formations, McArthur Basin, northern Australia

    Brian Kendall;Brian Kendall;Robert A. Creaser;Gwyneth W. Gordon;Ariel D. Anbar

  • Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period

    Brian Kendall;Brian Kendall;Tsuyoshi Komiya;Tsuyoshi Komiya;Tsuyoshi Komiya;Timothy W. Lyons;Steve M. Bates

  • The temporal evolution of North American kimberlites

    Larry M. Heaman;Bruce A. Kjarsgaard;Robert A. Creaser

  • Timing of Iron Oxide Cu-Au-(U) Hydrothermal Activity and Nd Isotope Constraints on Metal Sources in the Gawler Craton, South Australia

    Roger G. Skirrow;Evgeniy N. Bastrakov;K. Barovich;Geoffrey L. Fraser

  • Constraints on the timing of Marinoan “Snowball Earth” glaciation by 187Re–187Os dating of a Neoproterozoic, post-glacial black shale in Western Canada

    Brian S. Kendall;Robert A. Creaser;Gerald M. Ross;David Selby

  • Direct Radiometric Dating of Hydrocarbon Deposits Using Rhenium-Osmium Isotopes

    David Selby;David Selby;Robert A. Creaser;Robert A. Creaser

  • Precise age of Bangiomorpha pubescens dates the origin of eukaryotic photosynthesis

    Timothy M. Gibson;Patrick M. Shih;Patrick M. Shih;Vivien M. Cumming;Woodward W. Fischer

  • The timing of kimberlite magmatism in North America: implications for global kimberlite genesis and diamond exploration

    L.M Heaman;B.A Kjarsgaard;R.A Creaser

  • U–Pb zircon dating by laser ablation-MC-ICP-MS using a new multiple ion counting Faraday collector array

    Antonio Simonetti;Larry M. Heaman;Russell P. Hartlaub;Robert A. Creaser

  • Further evaluation of the Re-Os geochronometer in organic-rich sedimentary rocks: A test of hydrocarbon maturation effects in the Exshaw Formation, Western Canada Sedimentary Basin

    Robert A Creaser;Poulomi Sannigrahi;Thomas Chacko;David Selby

Frequent Co-Authors

Larry M. Heaman
Larry M. Heaman University of Alberta
David Selby
David Selby Durham University
Brian Kendall
Brian Kendall University of Waterloo
Jeremy P. Richards
Jeremy P. Richards Laurentian University
Antonio Simonetti
Antonio Simonetti University of Notre Dame
Daniel J. Kontak
Daniel J. Kontak Laurentian University
Thomas Chacko
Thomas Chacko University of Alberta
Sonja Aulbach
Sonja Aulbach Goethe University Frankfurt
Thomas Stachel
Thomas Stachel University of Alberta
Karlis Muehlenbachs
Karlis Muehlenbachs University of Alberta

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