THE DECCAN TRAPS 



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possibly in the Lower Eocene. They cover today an area of about 200,000 

 square miles (that is, about one-seventh of the Indian Peninsula) in cen- 

 tral and western India. The main area extends from Cutch and Kath- 

 iawar on the northwest to near the southern end of the Bombay Presi- 













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Figure 1. — Sketch Map of the Distribution of the Deccan Traps 

 Showing location of speciments described and analyzed. 



1. Panandrao. 



2. Ketool Hill. 



3. Kathiawar. 



4. Nimach. 



5. Nasik. 



6. Bombay. 



7. Ratnagiri. 



8. Kolbapur. 



9. Belgaum. 



10. Bbopal. 



11. Hoshangabad. 



12. Betul. 



13. Cbbindwara. 



14. Amraoti. 



15. Mandla. 



16. Seoni. 



17. Balagbat. 



18. Mainpat. 



19. Jamirapat. 



20. Giridih. 



21. Rajmahal. 



22. Hyderabad. 



23. Rajamundii. 



dency, along the west coast, and east to Chota Nagpur. There are many 

 small outliers, as in west Sind, and Rajamundri, in Madras, near the east 

 coast ; so that, as stated by Wadia, the original extent could not have been 

 less than half a million square miles. 



