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New Potassium/Argon Ages For The Volcanic Rocks Of Halul Island (Qatar)
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Date
1988
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Abstract
The only rocks of igneous origin known to be exposed in Qatar are those of Halul and Shra'Auh Islands. They occur within a salt diapir and the age of these rocks is uncertain. They have generally been assigned to the Hormuz Formation;
approximately Middle Cambrian age. A few unreliable isotopic ages were obtained earlier and led to inconclusive results. In this paper, new K/Ar ages obtained by the writer are presented and discussed. They indicate a tectono-thermal event which took place some 33 million years ago, although the rocks themselves are considered to be much older.