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Earth Science

D-Index
33
Citations
4450
World Ranking
8313
National Ranking
2758

Research.com Recognitions

  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Crayton J. Yapp is affiliated with Southern Methodist University in the United States. Their research primarily spans Earth and Planetary Sciences, with a focus on several subfields including Geochemistry and Petrology, Artificial Intelligence, Geophysics, Renewable Energy, Sustainability and the Environment, and Biomaterials.

The scientist's work covers a range of topics centered on geochemical processes and environmental applications. Notable areas of focus include:

  • Groundwater and Isotope Geochemistry
  • Geochemistry and Geologic Mapping
  • Geophysical and Geoelectrical Methods
  • Iron oxide chemistry and applications
  • Clay minerals and soil interactions

Yapp has contributed research published in scholarly journals, with at least two articles appearing in the journal Geochimica et Cosmochimica Acta. The recent publications include:

  • Recovery and interpretation of the 18O/16O of Miocene oolitic goethites in multi-generational mixtures of Fe (III) oxides from a channel iron deposit of Western Australia, 2020, Geochimica et Cosmochimica Acta
  • Disparate relationships between pH and goethite-water 18O/16O and D/H fractionation factors, 2022, Geochimica et Cosmochimica Acta

Their publication record shows a pattern of interdisciplinary research involving isotope geochemistry and mineralogical studies, often applying geochemical methods to understand environmental and geological systems.

While the scientist's frequent co-authors are not listed, the concentrated publication venue indicates a specialized focus on geochemical research outputs.

Among professional recognitions, Crayton J. Yapp is a Fellow of the Geological Society of America, denoting membership in a professional organization representing expertise in geological sciences.

Best Publications

  • Oxygen and Hydrogen Isotopic Ratios in Plant Cellulose

    Samuel Epstein;Peter Thompson;Crayton J. Yapp

  • The determination of the D/H ratio of non-exchangeable hydrogen in cellulose extracted from aquatic and land plants

    Samuel Epstein;Crayton J. Yapp;John H. Hall

  • Ancient atmospheric C0 2 pressures inferred from natural goethites

    Crayton J. Yapp;Harald Poths

  • A reexamination of cellulose carbon-bound hydrogen δD measurements and some factors affecting plant-water D/H relationships☆

    Crayton J Yapp;Samuel Epstein

  • Climatic implications of D/H ratios of meteoric water over North America (9500–22,000 B.P.) as inferred from ancient wood cellulose CH hydrogen

    Crayton J. Yapp;Samuel Epstein

  • Climatic significance of the hydrogen isotope ratios in tree cellulose

    Crayton J. Yapp;Samuel Epstein

  • Climatic implications of the D/H ratio of hydrogen in C-H groups in tree cellulose

    Samuel Epstein;Crayton J. Yapp

  • Carbon isotopes in continental weathering environments and variations in ancient atmospheric CO2 pressure

    Crayton J. Yapp;Harald Poths

  • Oxygen and hydrogen isotope variations among goethites (α-FeOOH) and the determination of paleotemperatures

    Crayton J Yapp

  • Oxygen isotopes in iron (III) oxides: 1. Mineral-water fractionation factors

    Crayton J. Yapp

  • Oxygen and carbon isotope measurements of land snail shell carbonate

    Unknown

  • Stable carbon isotope constraints on mixing and mass balance of CO2 in an urban atmosphere: Dallas metropolitan area, Texas, USA

    Shannon T. Clark-Thorne;Crayton J. Yapp

  • Environmental significance of 13C/12C and 18O/16O ratios of modern land-snail shells from the southern great plains of North America

    Unknown

  • Isotope tree thermometers.

    Samuel Epstein;Crayton Yapp

  • A model for the relationships between precipitation D/H ratios and precipitation intensity

    Unknown

  • Paleoenvironment of the Folsom archaeological site, New Mexico, USA, approximately 10,500 14C yr B.P. as inferred from the stable isotope composition of fossil land snail shells

    Meena Balakrishnan;Crayton J. Yapp;David J. Meltzer;James L. Theler

  • Goethite, calcite, and organic matter from Permian and Triassic soils: Carbon isotopes and CO2 concentrations

    Neil J. Tabor;Crayton J. Yapp;Isabel P. Montañez

  • Climatic implications of surface domains in arrays of δD and δ18O from hydroxyl minerals: goethite as an example

    Crayton J. Yapp

  • Oxygen isotopes in an oolitic ironstone and the determination of goethite δ18O values by selective dissolution of impurities: The 5M NaOH method

    Crayton J Yapp

  • The stable isotope geochemistry of low temperature Fe(III) and Al "Oxides" with implications for continental paleoclimates

    Crayton J. Yapp

  • Fe(CO3)OH in goethite from a mid-latitude North American Oxisol: estimate of atmospheric CO2 concentration in the Early Eocene “climatic optimum”

    Crayton J. Yapp

  • Stable hydrogen isotopes in iron oxides—II. DH variations among natural goethites

    Crayton J Yapp;Michael D Pedley

  • An assessment of isotopic equilibrium in goethites from a bog iron deposit and a lateritic regolith

    Crayton J. Yapp

  • The carbon isotope geochemistry of goethite (α-FeOOH) in ironstone of the Upper Ordovician Neda Formation, Wisconsin, USA: Implications for early Paleozoic continental environments

    Crayton J Yapp;Harald Poths

  • Productivity of Pre-Vascular Continental Biota Inferred from the Fe(CO3)Oh Content of Goethite

    Crayton J. Yapp;Harald Poths

Frequent Co-Authors

Neil J. Tabor
Neil J. Tabor Southern Methodist University
Samuel Epstein
Samuel Epstein California Institute of Technology
David L. Shuster
David L. Shuster University of California, Berkeley
David J. Meltzer
David J. Meltzer Southern Methodist University

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