86 EAKTHQUAKES OF THE NINETEENTH CENTUEY. [Ch. XXVlli 



the horizontally stratified tertiary strata exposed to the 



form a com 



80 



feet in height. These tei-tiary strata^ which are of marine 

 origin, did not, as already stated, participate in the upward 



m 



Mr. Roberts was able to measni 

 permanent 



npheaval in the older formation, by 

 observing the altered position of a white band of nullipores 

 with which the surface of the rock below the level of low tide 

 had been coated. This white zone, a few hours after the 

 earthquake, was found to be 9 feet above its former level. 

 Previously to the shock, there had been no room to pass 

 between the sea and the base of the perpendicular cliff 

 called Muka-Muka, except for a short time at low water and 

 as the herdsmen were obliged to wait for low tide in order 

 to drive their cattle past the cliff, Mr. Roberts was en 

 in constructing a road there. But immediately aft( 

 upheaval, a gently sloping raised beach, more than 100 feet 



all 



tide for the passage of man and beast. 



The junction of the older and newer rocks along the line 

 of fault above described is marked in the interior of tlie 

 covmtry by a continuous escarpment running north and south 

 along the base of the Eemutaka Mountains^ where they 

 present a steep slope towards the east, or towards the great 

 plain of the Wairarapa formed of the modern tertiary deposit 

 before mentioned. The course of the fault alon^ the base of 

 the escarpment was rendered visible by a nearly perpendicular 

 cliff of fresli aspect 9 feet in height and traceable in an 

 inland direction to the extraordinary distance of about 90 

 miles, according to information given by Mr. Borlase, a 

 settler who lived in the 



Wairar ap a 



marked, moreover 



north of Cook Strait. It was 



- - ^ - - ^ 



places by an open fissnre into which cattle fell and could not 

 in some cases be recovered, or by fissures from 

 broad filled here and there with soft mnd and 

 At the same time that this vertical movement t( 



Nicholson 



westward of Muka-Muka 

 Hutt, was raised from 4 



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