Phosphorite and other apatite-bearing sedimentary rocks in the Precambrian of northern Michigan /

Bibliographic Details
Main Authors:	Cannon, William F. (Author), Klasner, J. S. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Virginia] : United States Department of the Interior, Geological Survey, 1976.
Series:	Geological Survey circular ; 746.
Subjects:	Apatite > Michigan > Upper Peninsula. Geology > Michigan > Upper Peninsula. Geology, Stratigraphic > Precambrian. Phosphate rock > Michigan > Upper Peninsula. Apatite. Geology. Geology, Stratigraphic. Phosphate rock. Precambrian Geologic Period. Michigan > Upper Peninsula. From 570 million to 5 billion years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo114479

Available Online