logical-letter coding system for facies nomenclature

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Dec 31, 1980 - ronments progressed the same body of rock could be termed flysch facies ... order of importance: the sediment composition or grain size; the ... Bright and Lustrous. - Bright and ... However, organic and chemical sediments such as coal and ... evant upper-case grain size or organochemical coding sym- bol.
Trans . geol. Soc. S. Afr., 83 (1980), 301-311

LOGICAL-LETTER CODING SYSTEM FOR FACIES NOMENCLATURE: WITBANK COALFIELD

by G. LEBLANC SMITH

ABSTRACT The erection of a Logical-letter Coding System, or LLC, for facies nomenclature faci litates a rapid but standardised description and interpretation of sedimentary deposits and their internal structures within the W1tbank C