MEMOIRS 



OF THE 



GEOLOGICAL SURVEY OF INDIA. 



On the ViNDHYAJsr Seeies, as exMiited in the Noeth-Western and 

 Central Peovinces of India, ly Feed. H. Mallet, f. g. s., Geolo- 

 gical Purvey of India. 



CONTENTS, 



Page. 



Chapter 1. — Area : Previous observers ... ... ... 1 



„ 2.— Ptysical geography of area ... ... ... 14 



„ 3, — Formations overlying and underlying tte Yindhyan ... 21 



„ 4. — Sub-division of Yindhyan series ... ... ... 26 



„ 5.— Lower Yindhyans ... ... ... ... 29 



„ 6. — Upper Yindhyans ... , ... •■• ... 47 



, , TT- ("Lower... ... ... 48 



(a) Kymore group ... (xjpper... ... ... 50 



. 7 , Tj T, ("Lower... ... ... 62 



(h) Rewab „ ... I^pp^^ 73 



^ , -D J . ("Lower... ... ... 80 



(0) Bundair „ ... |xjpper... 94 



„ 7. — TMckness; area; fossils; age; denudation ... ... 101 



„ 8. — Economic geology ... ... ... ... 113 



„ 9. — Representatives of Yindhyan series in otlier parts of India. . . 123 



Chaptee 1. — Aeea: Previous Observers. 



The area to be described in the ensuing paper is one which had 

 often attracted attention previously to its examination by the Survey. 

 Covering, as the Vindhyan strata do in this single area^ a surface not 



Mem. Geological Survey of India, "V^ol. VII, Art. 1. 



( 1 ) 



