Clay is a textural term referring to particulate material under 4 µm in size (Wentworth, 1922). A proportion of this material will be clay minerals, an important group of silicate layer-lattice minerals which occur as minute platey, or more rarely, fibrous crystals. Their very fine grain size precludes any determinative work using smear slides.


Clay Mineral Abyssal Plain Textural Term Smear Slide Main Distinguishing Feature 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Elsevier Science Publishers Ltd 1989

Authors and Affiliations

  • R. G. Rothwell
    • 1
  1. 1.Institute of Oceanographic SciencesGodalmingUK

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