UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 10, No. 20, pp. 36 1 -382, pis. 25-27, 3 text-figures November 8, 1917 



THE GEOLOGY AND ORE DEPOSITS OF 

 THE LEONA RHYOLITE 



CLIFTON W. CLARK 



/ • ; 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



