214 



GEOLOGY OF THE TfflRD DISTRICT. 



show different degrees in the amount of disturbance, and most of the different forms which 

 layers assume when disturbed. They are arranged in that order, which commenced with the 

 least degree of disturbance. 



79. 



Section on the feeder of Black river, showing local movement in a portion of a series of thin clay beds or layers, tliose above 

 and below being wholly unaffected by the movement which deranged them. This shows the least amount of disturbance 

 of any of the three sections. 



Section of the same, showing a sharp wrinkle or fold, and a high and gtacf inl arching or folded axia thrown beyond the rertical 



position, exemplifying uguar juuvcincnts. 



