160 BLANFORD : GEOLOGY OF WESTERN SIND. 



About Damach, 6 miles south-west of Bhule Khan's Thana, Nari 



beds prevail in the low ground. The ridge east 

 Hills near Damach. ° 



of Damach camping 1 ground is an anticlinal of 



Khirthar beds, with a low angle to the westward, and very high inclina- 

 tion to the eastward, just like the Surjano ridge, a little farther east. 

 Hindi Hill (Tangur on the inch map) on the west side of the road, 



about 6 miles west-by-south from Damach, is 

 Hindi or Tangur Hill. . . . 



another Khirthar anticlinal with the lower Nari 



limestones, containing the characteristic Nummulites, well developed 

 around the base, and passing up into calcareous sandstone with Orbitoides 

 papyracea. On the top of the hill is an outlier of Nari beds, an arenace- 

 ous limestone varying to a calcareous sandstone. In the upper portion 

 a large Clypeaster is found, together with Orbitoides and the two species 

 of Nummulites. and below this is another bed, also containing Nummulites 

 garansensis and N. sublavigata, together with a large Echinolampas. On 

 the surface of the Khirthar limestone, as at some other places, is a bed 

 of corals, and a Pecten is common. 



At Watwaro Hill, south-south-west of Damach and close to Trak, 



the section is similar to that seen on Hindi Hill. 

 Watwaro Hill. , . , 



Here again Nan limestone with JS. sublavtgata and 



N. garansensis appears to pass down into Khirthar limestone with N. 



spira, a coral bed again appearing at the junction. Above the Nari 



limestones are sandy beds with Orbitoides. In the Nari beds, at the 



base of Watwaro Hill, a small oyster, undistinguishable from Ostrea 



multicostata, the common Gaj species, occurs in small numbers, with 



Orbitoides papyracea. The tubes of KupJms also occur in the Nari group 



together with Nummulites garansensis. 



The Nari limestones are well seen about Trak and on the western side 



of the Kara range, the northern extremity of 

 Trak. 



which is just west of the Trak camping ground. 1 



Brownish calcareous sandstone with Orbitoides is common, and is seen 



close to the small dharmshala at Trak. This sandstone dips west, and 



1 Trak is not marked on the small map issued herewith ; its position is on the stream 

 nearly due east of the north-western Alah Yar, that close to the road. 

 '( 160 ) 



