SEC. 5.] LODAEE AND JOORUN RANGE. 151 



for some distance on each side. Where this allows the large trap- 

 dyke to be traced, it is frequently seen in j unction with the shales altered 

 to black and red for several feet from the dyke. Between this dyke and a 

 neighboring one to the north, not far from Wandra, loose fragments 

 of Ammonites were found scattered about. 



Westward of this, the light coloured, brown and purple sandstones 



of the outer range are much contorted, disapp'ear- 



Outer range. . . , . , i i i . • j i i j 



mg With very high northerly dips in the low grouna 



along the Runn. To the south-west of Lodaee they are intersected by a 



very intricate and tangled trap intrusion, forming a hill somewhat higher 



than the adjacent portion of this minor range, which becomes broken 



and gradually dies out from Lodaee to Kota. Another similar intrusion 



occurs to the south. The Kass scarp on the other side of the chain 



rapidly loses its elevation south of Lodaee, but the feature is continued 



in a low scarp of the same character conterminous with the remainder 



of the eliain near Rodur. 



Embraced between these two low external ridges rises the most 



lofty portion of the chain reaching, as stated, at 



Most lofty part of cliain. tt n tt i i ^ ■ o onn 



Hullaman above Hubbye, the elevation ot oUU 

 feet above the Runn, and having summit heights not greatly less both 

 to the east and west. 



The axis of the anticlinal is here more central, declining, however, 

 in the above directions, so that the beds fold round or " nose" at either 

 end, giving to this portion of the chain an elongated oval form, the 

 longest slopes as elsewhere along this line of disturbance being those 

 to the south. 



The rocks are chiefly light coloured sandstones and gray shales, 

 weathering of a rusty colour, the latter predominating towards the 

 base. Some solid, dark-gray impure limestone occurs, and many of the 

 beds are highly fossiliferous, containing the marine forms characteristic 

 of the lower Jurassic group of Kutch. 



w ( 151 ) 



