. The Quarterly journal of the Geological Society of London. by Mr. Maw should be the same as that which has takenplace in the Mediterranean area, but in the opposite the elevation of the Sahara was coincident with thedepression of the Mediterranean. Mr. Batterman called attention to the excellent drawing of adesert escarpment exhibited by Mr. Maw. He said that this draw-ing perfectly represented what is to be seen in every dry desertcountry, like the north of Africa or Arabia. In the latter countrythe succession of the beds of Neocomian and Tertiary age wassimilar to that o


. The Quarterly journal of the Geological Society of London. by Mr. Maw should be the same as that which has takenplace in the Mediterranean area, but in the opposite the elevation of the Sahara was coincident with thedepression of the Mediterranean. Mr. Batterman called attention to the excellent drawing of adesert escarpment exhibited by Mr. Maw. He said that this draw-ing perfectly represented what is to be seen in every dry desertcountry, like the north of Africa or Arabia. In the latter countrythe succession of the beds of Neocomian and Tertiary age wassimilar to that observed in Algiers. He thought that the disturb-ances attributed by Mr. Maw to the dissolving out of salt, were inreality due to the dissolving of gypsum. Mr. Davidson remarked that thirty years ago M. de Yerneuilfound many fossils in the region to which Mr. Maws paper included a great Ostrea, Terebratulce^ and other forms whichwere both Miocene and Pliocene. Quart. Joum. Geol. Soc . Vnl . XXX I HILLS, DESERT G/w Loam, merlnirv b\ Sandhills. * Mintern Bros . lith . Quart. , Journ. Geol. Soc . Vol . XXX. P]. XI . PLAIN OFTHE MET1DJA SAND HILLS, DESERT


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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology