BH250-63

BH250-63

Number of slides: 14

Rock: Gneiss from Confusion Point, Northern Minnesota

Major minerals: Orthoclase, Quartz, Biotite

Minor minerals: Chlorite, Zircon, Sphene, Hornblende, Albite

Photomircrographs:

1, 2, 3, 4, 5, 6, 7