56 GEOLOGICAL NOTES ON ASSAM. 



feet above ordinary high water mark. The lower part of this section 

 is apparently a jheel deposit. May not the top bed be some equally 

 normal product of alluvium formation ? It is quite akin in appearance 

 to what is called elsewhere old alluvium clay. It seemed to me that 

 this top clay might even be a modification of the underlying bed by 

 atmospheric and organic metamorphism. 



It is to be hoped that some one who has more leisure than the 

 members of the Geological Survey^ and more opportunity of observing 

 rejieateclly in the same district, and of studying phenomena minutely, 

 may arise to extend the researches so admirably begun by Mr. Ferguson. 



0, T. Cutter, Military Orphan Press,— 1865. 

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