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REMARKABLE BOULDERS OF THE KESWICK DISTRICT 



By J. Clifton Ward, Assoc. R.S.M., &c., (Keswick.) 



Boulders may be considered as remarkable under three heads. 

 I. As to their position with regard to the parent rock. 2. As to their size. 

 3. As to the manner in which they have been placed or perched in their 

 present situation. 



This subject has been already dealt with in some detail in my 

 Memoir on " The Geology of the Northern Part of the English Lake 

 District," and here I shall only state general results and principles in 

 order to aid local observation. 



I. POSITION WITH REGARD TO PARENT ROCK. 



If the one-inch Geological Map of the Keswick District be examined 



it will be seen that its south-eastern half is occupied by rocks of the 



Volcanic Series, and its north-western by those of the Skiddaw Slate 



iSeries. Boulders of either can readily be detected when lying upon the 



lother, from their dissimilar character. Now, what are the facts of distri- 



Ibution 1 Mainly these :^not a siiigle^boulder belonging to the Skiddaw 



iSlate Series is found upon the Volcanic Rocks to the south-east, while 



Ithousands of boulders of the latter series (the Volcanic) are found upon 



[the area to the north-west, occupied by the Skiddaw Slate. Nor is this 



[chiefly because the Skiddaw Slate Series generally consists of softer rocks 



than the Volcanic, for it contains within its area not only granite and 



lard metamorphic rocks surrounding it, but intrusions of massive Diorite 



ind Dolerite, and considerable thicknesses of sandy and even gritty beds- 



When this question of the transport of boulders is however regarded 



[side by side with that of the land glaciation and the trend of the ice" 



