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    • Geological Survey of the United Kingdom? II - Nature

      Nature· 1 day ago

      Lewisian Gneiss.—The most ancient rocks in the British Islands, forming what is known as the Lewisian Gneiss, have now been mapped continuously throughout the whole of their extent on the mainland ...

    • Societies and Academies - Nature

      Nature· 1 day ago

      The author described the steady increase in the use of sunshine recorders from the somewhat crude type invented by Mr. J. F. Campbell in the early part of last century to the improved pattern ...