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A BURET CYLINDER FOR GRAIN‐SIZE ANALYSIS OF SILT AND CLAY (WITH ALGOL‐PROGRAM)
Author(s) -
FABRICIUS F.,
MÜLLER ST.
Publication year - 1970
Publication title -
sedimentology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.494
H-Index - 108
eISSN - 1365-3091
pISSN - 0037-0746
DOI - 10.1111/j.1365-3091.1970.tb00181.x
Subject(s) - levelling , silt , grain size , geology , mineralogy , geodesy , geomorphology
SUMMARY A new apparatus, the “buret cylinder”, was constructed in order to increase the efficiency of the size analysis of fine‐grained sediments. Its uncomplicated operation and automatic levelling enables working in series of ten samples or more at a time. This method, an improvement of the “pipet method”, works with an accuracy comparable to that of the “Atterberg method”. An ALGOL‐program was compiled to compute all data, obtained from the granulometric analysis of the entire sediment. In the output, the numerical parameters are printed out and a simple frequency and a cumulative diagram is plotted. The computer program works for grain sizes from −6 phi (64 mm φ) to +9 phi (2 u φ). Two procedures can be applied alternatively: (a) sieving—buret analysis; and (b) sieving—visual accumulation tube—buret analysis.