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Discussion: Bulk sampling of coarse clastic sediments for particle‐size analysis
Author(s) -
Dunkerley D. L.
Publication year - 1994
Publication title -
earth surface processes and landforms
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.294
H-Index - 127
eISSN - 1096-9837
pISSN - 0197-9337
DOI - 10.1002/esp.3290190306
Subject(s) - clastic rock , sample size determination , sediment , range (aeronautics) , particle size distribution , particle size , grain size , sampling (signal processing) , geology , sample (material) , particle (ecology) , statistics , statistical physics , computer science , mathematics , physics , geomorphology , materials science , paleontology , sedimentary rock , thermodynamics , oceanography , filter (signal processing) , composite material , computer vision
Gale and Hoare (1992) have provided a figure relating maximum particle diameter in a coarse clastic sediment to the size of sample required to generate a reproducible measure of the particle‐size distribution of that sediment. However, they fail adequately to justify the basis for the criterion of sample adequacy adopted in their proposal. Additionally, there is a range of separate issues neglected by Gale and Hoare (1992) which makes their conclusion inapplicable in many situations. A fundamental issue that they neglect is the purpose lying behind a grain‐size analysis: this issue determines what grain size measures are appropriate, rather than the empirical, seemingly purpose‐independent, approach of Gale and Hoare (1992).