310 GEOLOGY AND GOLD DEPOSITS OF THE 'CRIPPLE CREEK DISTRICT. 
mineralized north-south “basalt dike dipping about 80° E., and usually less than 
a foot wide. The general country rock is breccia. 
Probably the most important lode now worked in the Anaconda is the A irginia 
M. or Lincoln, which strikes N. 65° E. This lode is cut in the adit about 500 feet 
Fig. 30.—Plan of adit level, Anaconda mine, showing approximate distribution of rocks and position of principal lodes. 
from the portal and has been explored northwestward to the line of the Anaconda 
lode. It has also been exploited in the old Virginia M. workings, just north of the 
Anaconda adit. East of the latter lode the Virginia M. is unknown, and it has not 
