CONTENTS. 



Page 



Introduction. 



Topography ............ i 



Previous Observations 7 



Geology of the Area. 



Gneiss ............ 9 



Intrusive Rocks 15 



Laterite 17 



Origin of Laterite in Malabar 29 



Recent Deposits ........... 33 



Recent Geological History of S. Malabar 35 



Economic Geology 36 



Appendix. 



Previous views on the Origin of Laterite 39 



Plates. 



I. Sections illustrative of the physical features 

 II. Foliation of the gneiss .... 



III. Sections near Pandikad, Tanur, and Kuttipdl 



IV. Laterite terraces near Kottakal . . 



V. Sections showing the three groups of Laterite 

 VI. The Ponnani Laterite .... 

 VII. Sections at Ferokh .... 

 VIII. General Sections 



To face page 

 4 

 II 



19 



23 



25 



27 



30 



46 



Map. 



