GEOLOGIC MAPS AND NOTES ALONG HIGHWAY 49 BOWEN AND CRIPPEN 



81 



'.V. ........-.-.- . -. :.>..!:. 

 '.'..'. '...'.. '. ' -.";.. "''.'. '', ''. 



Andesite breccia and conqlom- 

 Tv erote includes basalt and 



Table win latite 



Old river deposits Chiefly 

 Eocene quartz gravels, 

 gold-bearing 



GrafiitiC rocks- gronile 



to diorite 



Colaveras formation mica- 

 CC schist, phyiiite, quortiile, 

 cloy slate, argilhte, etc. 



MAP 9 

 NORTH SAN JUAN-DOWNIEVILLE 



