Basalt Photos
Cochise College
Photos of Rocks       
Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                   copyright 2011


basalt with native copper-1
Keweenaw Peninsula, northern Michigan

Specimen is from the Keweenaw peninsula of northern Michigan.
Copper fills some of the vesicles in the basalt.


basalt                                                                                                                                               4

Photo is copyright free for non-commercial educational uses. 
Just credit R.Weller/Cochise College