BULLETIIVh OF THE GEOLOGICAL SOCIETY OF AMERICA 



Vol. 2, pp. 383-414; PL. 15 



THE GEOLOGY OF MOUNT DIABLO, CALIFORNIA 



BY 



H. W. TURNER 



WITH A SUPPLEMENT ON 



THE CHEMISTRY OF THE MOUNT DIABLO ROCKS 



W. H. MELVILLE 



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<J3CT 15 9^^; 



ROCHESTER 

 PUBLISHED BY THE SOCIETY 



March, 1891 



