92 . BLANFORD : GEOLOGY OF WESTERN SIND. 



than 200 to 250 feet can be deficient. In the upper part of the cliff 

 some variegated clays with a band of pure white gypsum are very 

 conspicuous. The following section was roughly measured, chiefly by 

 aneroid : — 



Section op the Gaj beds (descent 



1. Sand and sandy-clay, greenish-grey and pale-brown in colour, cal- 



careous and nodular in parts, abounding in Ostrea multicostata 80 



2. Hard, brown, calcareous sandstone, compact and obliquely 



laminated .......... 10 



3. Sandy clays, olive and Indian-red in alternate bands ... 50 



4. Pale brown calcareous sandstone and gritty limestone, hard and 



compact 6 



5. Pale brown and grey sandy clay 20 



6. Pale brown calcareous sandstone 5 



7. Pale brownish-grey sandstone and sandy clay . . . 50 



8. Gypsum much mixed with clay 3 



9. Sandy clay in thick bands, alternately coloured Indian-red and 



greenish-grey, and some gypsum 60 



10. Gypsum nearly pure 3 



11. Sandy clay like No. 9 60 



12. Whitish argillaceous limestone, abounding in fossils, Ostrea multi- 



costata, Pecten, fragments of crabs, echinoderms, Bryozoa, &c. 3 



13. Pale brown calcareous sandstone, with casts of Turritella . . 20 



14. Pale brown and greenish sandy shales, containing near the base 



a hard, calcareous band with Turritellce 30 



15. "Very fine-grained yellowish-brown sandstone, calcareous 'and argil- 



laceous, containing Cardium anomale 1 



16. Whitish clay 10 



17. Pale brown and greenish sandy shale, with occasional bands of 



light or dark-brown, hard, calcareous sandstone ... 90 



18. Impure gritty limestone of variable texture and thickness, lami- 



nated and false bedded, and brown in colour .... 20 



19. Sandy beds, shaly, but ill-exposed 70 



20. Massive, soft, light brown sandstone 40 



21. Laminated, pale-brown, gritty sandstone, weathering dark -brown on 



the surface 10 



22. Light-brown sandstone and sandy shales, like No. 19, soft and 



disintegrated at the surface , • 90 



731 

 ( 92 ) 



