. Memoirs of the Geological Survey of India. bly been de-nuded away; for throughout this range there is unconformity be-tween the Ranikot beds and the Khirthar. A bed abounding in aspecies of Rostellaria, apparently the R. columbaria, Lam, of DArchiacand Haime, but a very different form from the true B. columbariaof Lamarck, is found at Barrah as well as farther north, and ismet with some distance below the fossiliferous brown limestone ofLainyan. The Ranikot beds and the cretaceous rocks beneath them are well exposed from top to bottom under Jakhmari andSection at Jakhmari. . Kharguzani peaks
. Memoirs of the Geological Survey of India. bly been de-nuded away; for throughout this range there is unconformity be-tween the Ranikot beds and the Khirthar. A bed abounding in aspecies of Rostellaria, apparently the R. columbaria, Lam, of DArchiacand Haime, but a very different form from the true B. columbariaof Lamarck, is found at Barrah as well as farther north, and ismet with some distance below the fossiliferous brown limestone ofLainyan. The Ranikot beds and the cretaceous rocks beneath them are well exposed from top to bottom under Jakhmari andSection at Jakhmari. . Kharguzani peaks, but all the upper portion is much obscured by talus from the overlying Khirthar limestone, andno complete section can be measured. The following is the series ofthe bottommost Ranikot beds, in descending order, with the under-lying olive shales or Carclita leaumonti beds. The section across therange at Jakhmari is shown in the accompanying section (Plate V, ). 1 See p. 32.( 128 ) GEOLOGIC AL SURVEY OF I N D I J Memoirs Vol XVII PI. Sketch section through Bot Hill.
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