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...ock]] similar to [[granite]]. There are a dozen or so made from shell-rich limestone, and another dozen made from a sandstone. The stones are believed to have b

* K. Pustovoytov : ''Weathering rinds at exposed surfaces of limestone at Göbekli Tepe.'' Neo-lithics 2000, 24-26 (14C-Dates). * K. Pustovoytov: ''Weathering rinds at exposed surfaces of limestone at Göbekli Tepe''. In: Neo-lithics. Ex Oriente, Berlin 2000, 24–26 (14C-

...d other deep rock mining scars left in the ancient face of a 350-foot long limestone out-crop still visible lying across lot 199. ...o Stone Quarry Property, on May 5, 1919. The property went back to Marengo Limestone Company.

...average weight of [[granite]] is about 2.75 metric tons per cubic meter, [[limestone]] 2.3 metric tons per cubic meter, [[sandstone]] or [[marble]] 2.5 tons per | [[Limestone]] || 2.5–2.8