TITLES OF PAPERS 6? 



Program of the petrologic, mineralogic, and economic section 



The Petrologic, Mineralogic, and Economic Section organized in one of 

 the recitation-rooms of the Carnegie Technical School, with H. B. Fatten 

 as chairman and E. 0. Hovey as secretary. 



The following papers were presented : 



QUANTITATIVE CLASSIFICATION OF METEORITES 

 BY OLIVER C. FARRINGTON 



Given in abstract without notes, with the aid of lantern slides, and dis- 

 cussed by E. 0. Hovey and the author. 



THE MOLDAYITE QUESTION 

 BY GEORGE P. MERRILL 



Read by title in the absence of the author. 



TEE OEM-BEARING PEGMATITES OP THE WORLD 

 BY GEORGE F. KUNZ 



Read by title in the absence of the author. 



THE CLINTON SAND AS A SOURCE OF OIL IN OHIO 

 BY J. A. BOWNOCKER 



Presented without manuscript. Discussed by F. G. Clapp and 0. C. 

 Farrington, with reply by the author. 



NOTES ON THE GEOLOGICAL RELATIONS OF OIL POOLS SITUATED IN 

 REGIONS OF MONOCLINAL STRUCTURE 



BY FREDERICK G. CLAPP 



Read in full from manuscript, with lantern slide illustrations. Dis- 

 cussed by C. W. Washburn, with reply by the author. 



THE GEOLOGY OF THE CHIBOUGAMAN REGION, QUEBEC, CANADA 

 BY ALFRED ERNEST BARLOW 



Read by title in the absence of the author. 



THE OCCURRENCE OF SILVER, COPPER. AND LEAD ORES AT THE VET A 

 RICA MINE, SIERRA MOJADA, COAHUILA, MEXICO 



BY FRANK R. VAN HORN 



Presented without notes and illustrated with lantern slides and speci- 

 mens. 



Adjournment to the main section was taken at 12 o'clock. 



