Page:The Journal of geology (IA journalofgeology21894univers).pdf/468

Hulst^[1] gives a résumé 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 follows:

Quartzite	${\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right\}\,}}$	140 feet.
Jasper
Quartzite
Quartzite and jasper
Quartzite, slate, and jasper
Slate
Quartzite and slate
Quartzite and jasper
Banded ore, containing Millie Ore Body	${\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\ \end{matrix}}\right\}\,}}$	300 feet.
Quartzite and slate	${\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\ \end{matrix}}\right\}\,}}$	55 feet.
Slate
Jasper		170 feet.
Ore body
Gray slate		75 feet.
Ore	${\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right\}\,}}$	185 feet.
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	${\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\ \end{matrix}}\right\}\,}}$	215 feet.
Gray slates		112 feet.
Quartz
Gray slate
Quartzite		77 feet.
Quartz and slate
Slate conglomerate		50 feet.
Red slate		77 feet.
Quartz and gray slate
Quartzite
Quartz and sand
Slate conglomerate
Quartz conglomerate		116 feet.
Red slate
Jasper
Red, gray slate
Limestone.