The Quarterly journal of the Geological Society of London . 2. x 16. 3. x25 , Photomicro. Bemrose, Cello., Derby. ANHYDRITE and GYPSUM FROm COCKLAKES MINE (Cumberland). part 3] CHELLASTON GlPSUM BRECCIA. 20& closely similar deposits o£ the North-East of England. Those ofthe Trias, on the other hand, would seem to be due to the desicca-tion at a lower temperature of inland lakes, which very probablyowed the materials they held in solution to wind transport across,the desert, in the manner demonstrated by Sir Thomas Holland case of the Sambhar Lake. Mr. J. F. N. Gree:st asked whethe
The Quarterly journal of the Geological Society of London . 2. x 16. 3. x25 , Photomicro. Bemrose, Cello., Derby. ANHYDRITE and GYPSUM FROm COCKLAKES MINE (Cumberland). part 3] CHELLASTON GlPSUM BRECCIA. 20& closely similar deposits o£ the North-East of England. Those ofthe Trias, on the other hand, would seem to be due to the desicca-tion at a lower temperature of inland lakes, which very probablyowed the materials they held in solution to wind transport across,the desert, in the manner demonstrated by Sir Thomas Holland case of the Sambhar Lake. Mr. J. F. N. Gree:st asked whether there was any evidence thatthe pillars had formed as actual pillars on the lake-floor, likethose found now in certain salt-lakes—as, for example, those ofMono Lake (California), where the structure was developed in con-centric layers, sediment afterwards filling up the gaps. Or and sedimentary deposition simultaneous on a level floor ? Prof. W. J. Sollas thought that this excellent piece of petro-logical work might prove to have an important
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
