1991 - IEEE Fellow For contributions to both the theory and application of photoelectrons, image conversion, and electron multiplication.
Clark M. Johnson mainly investigates Geochemistry, Mineralogy, Isotope fractionation, Fractionation and Inorganic chemistry. His is doing research in Diagenesis, Siderite, Pyrite, Banded iron formation and Weathering, both of which are found in Geochemistry. His study focuses on the intersection of Mineralogy and fields such as Sedimentary rock with connections in the field of Total organic carbon, Archaeology and Prehistory.
His Equilibrium fractionation study, which is part of a larger body of work in Isotope fractionation, is frequently linked to Ferrous, bridging the gap between disciplines. Clark M. Johnson has included themes like Seawater, Igneous rock and Analytical chemistry in his Fractionation study. His Inorganic chemistry study combines topics from a wide range of disciplines, such as Ion exchange and Nuclear chemistry.
His primary areas of study are Geochemistry, Isotope fractionation, Mineralogy, Fractionation and Analytical chemistry. His research in Basalt, Mantle, Archean, Crust and Geochronology are components of Geochemistry. His study looks at the relationship between Archean and fields such as Weathering, as well as how they intersect with chemical problems.
His studies examine the connections between Isotope fractionation and genetics, as well as such issues in Magnetite, with regards to Siderite. His studies in Mineralogy integrate themes in fields like Sedimentary rock, Hydrothermal circulation and Banded iron formation. His study in the fields of Ferric under the domain of Inorganic chemistry overlaps with other disciplines such as Goethite, Oxide and Ferrous.
His primary areas of investigation include Geochemistry, Isotope fractionation, Analytical chemistry, Fractionation and Archean. His is involved in several facets of Geochemistry study, as is seen by his studies on Banded iron formation, Continental crust, Radiogenic nuclide, Mantle and Geochronology. His Isotope fractionation research is multidisciplinary, incorporating elements of Environmental chemistry and Mineralogy.
His work carried out in the field of Analytical chemistry brings together such families of science as Isotopes of silicon and Particle size. His Fractionation research includes themes of Inorganic chemistry and Hydrothermal circulation. His research in Archean intersects with topics in Magnetite, Paleoarchean, Weathering, Precambrian and Oncolite.
His main research concerns Geochemistry, Isotope fractionation, Fractionation, Archean and Hydrothermal circulation. His work on Radiogenic nuclide, Geochronology and Banded iron formation as part of his general Geochemistry study is frequently connected to Field, thereby bridging the divide between different branches of science. The study incorporates disciplines such as Environmental chemistry and Hot spring in addition to Isotope fractionation.
When carried out as part of a general Fractionation research project, his work on Equilibrium fractionation is frequently linked to work in Iron oxide and Goethite, therefore connecting diverse disciplines of study. His biological study spans a wide range of topics, including Precambrian and Weathering. Clark M. Johnson has researched Hydrothermal circulation in several fields, including Mineralogy and Analytical chemistry.
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Application of Fe isotopes to tracing the geochemical and biological cycling of Fe
Brian L. Beard;Clark M. Johnson;Joseph L. Skulan;Kenneth H. Nealson.
Chemical Geology (2003)
Iron isotope biosignatures.
Brian L. Beard;Clark M. Johnson;Lea Cox;Henry Sun.
Science (1999)
Geochemistry of non-traditional stable isotopes
Clark M. Johnson;Braian L. Beard;Francis Albarède.
(2004)
Strontium isotope composition of skeletal material can determine the birth place and geographic mobility of humans and animals.
Brian L. Beard;Clark M. Johnson.
Journal of Forensic Sciences (2000)
The Iron Isotope Fingerprints of Redox and Biogeochemical Cycling in Modern and Ancient Earth
Clark M. Johnson;Brian L. Beard;Eric E. Roden.
Annual Review of Earth and Planetary Sciences (2008)
Kinetic and equilibrium Fe isotope fractionation between aqueous Fe(II) and Fe(III)
S.A. Welch;B.L. Beard;C.M. Johnson;P.S. Braterman.
Geochimica et Cosmochimica Acta (2002)
Residential Mobility in the Prehistoric Southwest United States: A Preliminary Study using Strontium Isotope Analysis
T.Douglas Price;Clark M. Johnson;Joseph A. Ezzo;Jonathan Ericson.
Journal of Archaeological Science (1994)
Iron isotope fractionation by Fe(II)-oxidizing photoautotrophic bacteria
Laura R. Croal;Clark M. Johnson;Brian L. Beard;Dianne K. Newman.
Geochimica et Cosmochimica Acta (2004)
Mobility of Bell Beaker people revealed by strontium isotope ratios of tooth and bone: a study of southern Bavarian skeletal remains
Gisela Grupe;T. Douglas Price;Peter Schröter;Frank Söllner.
Applied Geochemistry (1997)
Isotopic fractionation between Fe(III) and Fe(II) in aqueous solutions
Clark M. Johnson;Joseph L. Skulan;Brian L. Beard;Henry Sun.
Earth and Planetary Science Letters (2002)
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