 Al Markh is also the name of a low sand-covered mound located in the south-west of Bahrain, 6 km south of the village of Zallaq and 1,200 m from the sea.In 1975, a British archaeology team led by Michael Roaf excavated the Al Markh mound, after sherds belonging to the Ubaid era were found in 1971.The expedition resulted in the discovery of 6,896 pieces of flint, mainly in the form of scrapers.