IS 7422 : Part 1 : 1974 Symbols and abbreviations for use in geological maps, sections and subsurface exploratory logs: Part 1 Abbreviations
UDC 003.62 : 550.81 : 528.9 : 009.083 | WRD 5 |
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Reaffirmed 2019 |
1. Scope
1.1 This standard ( Part I ) gives abbreviations to be ust:d for describing stratigraphic divisions, geological features and minerals for use in geological maps, sections and logs of bore holes, test pits exploratory drifts and shafts for river valley projects.