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Related Experiment Videos

Alternative SEM techniques for observing pyritised fossil material.

Poole1, Lloyd

  • 1School of Earth Sciences, University of Leeds, LS2 9JT, Leeds, UK

Review of Palaeobotany and Palynology
|January 3, 2001
PubMed
Summary
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Scanning electron microscopy (SEM) techniques, electron channelling and electron backscattered diffraction, reveal detailed anatomy and preservation in pyritised plant material. Electron channelling is more accessible, while electron backscattered diffraction allows automated fossil analysis.

Area of Science:

  • Materials Science
  • Geology
  • Paleontology

Background:

  • Scanning electron microscopy (SEM) offers high-magnification imaging capabilities.
  • Understanding sample crystal structure is crucial for detailed analysis.
  • Pyritised biological material presents unique preservation characteristics.

Purpose of the Study:

  • To describe and compare two SEM techniques: electron channelling and electron backscattered diffraction.
  • To demonstrate their application in studying pyritised plant material.
  • To evaluate their respective advantages for examining fossilized specimens.

Main Methods:

  • Utilizing scanning electron microscopy (SEM) with electron channelling.
  • Employing SEM with electron backscattered diffraction (EBSD).

Related Experiment Videos

  • Optimizing SEM operating conditions and sample preparation for pyritised samples.

    • Main Results:

    • Both electron channelling and EBSD provide high-resolution imaging of specimen anatomy and preservation state.
    • Electron channelling is generally more accessible for routine SEM users.
    • EBSD enables automated examination and characterization of pyritised fossil material.

    Conclusions:

    • SEM-based electron channelling and EBSD are valuable for detailed analysis of pyritised biological material.
    • Electron channelling offers broader accessibility for SEM users.
    • EBSD provides advanced capabilities for automated analysis and characterization of fossilized specimens.