PLATE V. 



FiGi'KE 17 (page 39) shows in plan the relations of the granite denoted by the 

 crossed (+) space to the "diorite." The "diorite " shows in mass on the left, and 

 in rounded fragments iu the granite. Picnic Point, north of Marquette. 



Figure 22 (page 41) represents the line of junction between the "diorite" on the 

 right with the schist on the left. Northeast of the Cleveland Mine, Ish^jeming. 



Figure 23 (pages 49, 50) represents a plan, partly ideal, of a narrow diabase dike 

 cutting a broad " diorite " dike and the schists at Ishpeming. The lettering is ex- 

 plained in the text. Salisbury Mine, Ishpeming. 



Figure 24 (pages 49, 50) is an ideal section showing the supposed relation of the 

 above " diorite " to the schists. Salisbury Mine, Ishpeming. 



