Abstract
In a hot, dry climate the presence of salt-loving vegetation (halophytes) may serve as a supplementary indicator of the presence of a salt-dome structure. Deep-seated oily water apparently forces the highly saline waters to the surface, where vegetation indicators may take two forms: where drainage is poor, the halophytes will be found along the anticline itself, but where drainage is good, the salt-loving plants concentrate along the perimeter of the salt-dome structure, sometimes virtually outlining it. In addition, the presence of gigantic and deformed plants in the area may indicate a high bitumen content. However, the influence of the deep oily water on the salinity of overlying deposits, soil and ground water varies with geologic conditions, depth and chemical composition of the ground water, conditions for its ascendance and conditions determining soil formation. The authors caution against over-simplification, since not every halophytic association indicates a buried salt dome; the specie composition of the association and presence or absence of bitumen-indicating forms must also be considered. --A. Eustus.
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