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Introduction to Clastic or Carbonate Petrography

Duration:  5 days

Who should attend:

Geologists with a good basic understanding of geology who wish to further develop their skills in this area.


This course covers the theory and application of the latest petrographic techniques with reference to clastic or carbonate rocks. The course will be split between formal lectures and practical workshops and guidance will be provided informally as problems arise. The course programme aims to provide participants with hands-on experience and understanding in handling petrographic data and performing interpretations.


The course will cover the following aspects:

  • An introduction to clastic / carbonate petrography
  • Grain textures
  • Clastic / carbonate grain types (detrital mineralogy)
  • Classification
  • Diagenetic mineralogy
  • Porosity

Clastic Petrography will cover

  • Thin section preparation
  • Staining techniques
  • Thin section petrography basics
  • Identification of grains
  • Texture (grain size, sorting, shape and fabric)
  • Point counting (modal) analysis
  • Classification of sandstones
  • Packing, porosity and permeability
  • Factors controlling diagenesis
  • Diagenetic processes in relation to sandstone porosity
  • Porosity enhancement
  • Environmental indicators and provenance

Carbonate Petrography will cover

  • Lithology
  • Depositional texture (Dunham classification)
  • Grain size and texture (sorting, roundness, grain contacts)
  • Present versus original rock components (e.g. grain types, mud, fossils, cements, pores, diagenetic minerals)
  • Pore types and cements (identification, distribution and relationships)
  • Diagenesis and advanced petrographic techniques

Extra Schedule Information

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We will schedule a class for this course when there are enough participants on the waiting list.

Proprietary Training

If you would like this course delivered on a proprietary basis, please let us know where and approximately when you would like the training to take place, and provide us with an estimation of the likely number of participants.

We can then send you a formal proposal, outlining the technical and financial details of the course.

For this service please contact us.