Abstract

Elemental sulfur deposits occur in Gebel El Zeit in various locations, rock types and forms. They occur as fine disseminations, fracture fillings and cone-shaped sulfur aggregates in powdery anhydrite in Little Zeit, Ras Zeit and northeast of the Cairn Hill; as fine disseminations in coral reefs east of Little Zeit and as vug fillings in the dolostones and limestones of Little Zeit and Ras Dip respectively. These types are associated with oil seepage and impregnations and are of bioepigenetic origin. Sulfur is recorded also as stratiform dissected bands in laminated rosette calcite and brown gypsum northeast of the Cairn Hill, where sulfur is of syngenetic origin, formed by biological activity.

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