Slide Number: BH250-98
Number of slides: 2 Large format thin sections
Rock: Granite with basaltic dike Collected from Granite Falls Minnesota (Rail Road Gravel Quary)
This rock and BH250-97 were used for a class project in Introduction to Geology in the Fall of 2011. Cooling Rate of Dikes
Major minerals: Plagioclase, Biotite
Minor minerals: Chlorite, CPX
Photomircrographs:
