CONTENTS. Xyll 



Chapter X.-ECONOMIC GEOLOGY. 



page 



Introductory . 190 



Iron— 



Iron smelting 191 



At Kamalapur 192 



At Kannevihalli & 192 



At Mallapur • • 193 



At Shiddagal . . . .193 



Earthy red haematite as a pigment . . . . • . 193 



Manganese— 



Manganese ore near Raman Drug ....... 194 



South of Kannevihalli 195 



Analysis of ore 195 



On the south flank of the Sandur hills 195 



Gold — 



Gold wa shing near Chiggateru 196 



In the Konganhosur nullah . ....... 196 



Quartz reefs on the Jajkalgudda ....... 196 



Gold washing in the valleys of the Kunchur Dharwar band tried by the 



Chiggateru Jalagar without success 197 



Copper— 



Localities where copper was found 197 



Tippu Sultan's mine on theSugalamma Konda (Copper Mountain) des- 

 cribed by Newbold 197 



Copper (Carbonate) at Harapanahalli in a quartz-run . . . 198 



The old mine .......... 198 



Copper in the Siddapan Konda run . , 199 



Building and ornamental stones — 



Granites, varieties of " Close grained " and porphyritic . . . 199 



Their respective durability . 199 



List of granite-yielding localities and quarries (see Appendix A) . . 200 



Dammur red granite ......... 200 



Toranagal porphyry ......... 200 



Examples of worked granite at Vijayanagar 200 



Great Stambha at Korlagundi iqoo . . . 201 



Trap porphyries at Huniha • .201 



At Kallakurti .......... 201 



Trap rock as a material for road metal ... ... 201 



Jasper rocks • 202 



Potstone ........... 203 



Localities for potstone . . . . « . . . . • 2C3 



Domestic utensils of potstone .....<,. 204 



Crystalline limestones 204 



localities where found ......... 204 



