120 



GEOLOGY OF TONOPAH MINING DISTRICT, NEVADA. 



Lynch frO'Meara shaft x x 



Scale ,. 



50 75 100 teet 



FIG. 'A). Sections to show the splitting of the Mizpah vein. -4, Horizontal plan of portion of Mizpah vein as developed 

 on the 260-foot level, Mizpah mine, east of the Brougher shaft. 11, Horizontal plan of portion of Mizpah vein as 

 exposed in the Golden and Kendall and McMann leases, about 130 feet below the surface, showing splitting of solid 

 vein into foot-wall and hanging-wall seams. C, Horizontal sketch section of Mizpah vein, big slope. Lynch and 

 Omeara workings, showing splitting of vein in two. 1), Vertical sketch cross section of a portion of the Mizpah 

 vein at the Clark shaft, from the surface down. Junction of veins (a) pitches east on the vein at an angle of about 45. 

 E, Horizontal section of same, taken at 60 feet below the surface. 



