Abstract
We report here that in the supratidal zone of the Al-Khiran sabkha, diagenetic anhydrite occurs exclusively in association with the living halophyte Halocnemum strobilaceum (Pallas) M .B. This anhydrite has a hair cream-like consistency and the bulk of it has formed as pseudomorphs after gypsum crystals. On the death of the plant at the end of its life cycle, the anhydrite is hydrated back to gypsum. This two-way transformation results in a series of characteristic textures, whose preservation could be due to the comparative ‘youth’ of the sabkha, which is in the very earliest stages of evaporite diagenesis.
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Gunatilaka, A., Saleh, A. & Al-Temeemi, A. Plant-controlled supratidal anhydrite from Al-Khiran, Kuwait. Nature 288, 257–260 (1980). https://doi.org/10.1038/288257a0
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DOI: https://doi.org/10.1038/288257a0
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