452 



THE JOURNAL OF GEOLOGY. 



Hulst' gives a resume of the general geology of the Menominee district as 

 explained by Brooks, and gives detailed sections of several of the mines. 

 The descending succession at the Millie Ore Body and Chapin Mine is as fol- 

 lows : 



Quartzite 



Jasper 



Quartzite 



Quartzite and jasper 



Quartzite, slate, and jasper 



Slate 



Quartzite and slate 



Quartzite and jasper 



Banded ore, containing Mil- 

 lie Ore Body 



Quartzite and slate 



Slate 



Jasper 



140 feet. 



300 feet 



55 feet. 

 170 feet. 



75 feet. 

 185 feet. 



Ore body 



Gray slate - - - 



Ore" 



Gray slate 



Jasper 



Gray slate 



Jasper G 



Gray slate 



Jasper 



Ore 



Gray slate 



Limestone 



The descending succession in the Pewabic Mine is as follows 



Jasper and ore, containing 

 Pewabic Ore Body 



Gray slates - 



Quartz 



Gray slate 



Quartzite . - - 



Quartz and slate 



Slate conglomerate 



Red slate 



Quartz and gray slate 



Quartzite 



Quartz and sand 



Slate conglomerate 



Quartz conglomerate 



Red slate 



Jasper 



Red, gray slate 



Limestone. 

 ' The Geology of that Portion of the Menominee Range East of Menominee river, 

 Nelson P. Hulst. In Proceedings Lake Superior Mining Institute for March, 1893, 

 pp. 19-29. 



215 feet. 

 112 feet. 



77 feet. 



50 feet. 

 77 feet. 



116 feet. 



