Abstract

Early diagenetic huntite is reported from a Recent, supratidal, evaporitic environment along the Trucial Coast, Persian Gulf. Initial carbonate sediments are being extensively dolomitized and a suite of early diagenetic minerals—gypsum, bassanite, anhydrite, celes-tite, halite, magnesite—is being developed by precipitation from interstitial, seawater-derived brines and by reactions between brines and original carbonate sediments. This occurrence of huntite is unusual because of its evaporitic environment and its association with an active belt of sedimentation, previously reported occurrences being all from weathering horizons or caves.

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