A. F. Grachev
2005

  • Abstract
  • Article Map
  • Introduction
  • General Characterization the Gams Stratigraphic Succession
  • Methods of Material Preparation and Studying
  • Composition of Rocks in the Gams Stratigraphic Sequence
  • Trace and Rare Earth Elements
  • Composition of Clay Minerals
  • Isotopic Compositions of Helium, Carbon, and Oxygen
  • Petromagnetic Measurements
  • Characteristics of Transitional Layer J at the K/T Boundary Derived from the Results of Thermomagnetic and Microprobe Analysis
  • Nickel Spherules and Diamond Grains as Indicators of an Impact Event
  • Discussion
  • Conclusions
  • Acknowledgments
  • References
  • Figures
  • Tables

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