118 



GEOLOGY AND QUICKSILVER DEPOSITS, NEW ALMADEN DISTRICT, CALIFORNIA 



Workings and geology by US Geological Survey 



so 



I 



.0 . 



50 



I 



100 FEET 



EXPLANATION 



Intrusive contact. 

 showing eleva- 

 tion and dip 



Dished where pro- 

 jected. scalloped 

 on side of intru- 

 sive rock 



Stope 



Chevrons point 

 down incline at 

 5-foot vertical 



intervals 



Filled working 



S 

 Top of winze 



N 



I, 



FIOUKI 87. Hap of the Curasco stopt- area of tbe New Almaden mine showing localization of ore along the lower side of a sill where It 



forms a plunging inverted trough. 



