Banded gneiss
Modi-Khola valley, Annapurna Municipality, Kaski District, P4 Gandaki Pradesh, Nepal
Fresh fracture of Neoproterozoic - Cambrian banded gneiss (Unit I of Greater Himalayan serie) crossed by some felsic joints
Mineral assemblage include quartz, muscovite, biotite, plagioclase, garnet and kyanite; accessory minerals include tourmaline, rutile, apatite, barite, zircon, monazite, and xenotime
Ref: Aaron J. Martin et al., 2009, ...
© 2012 Jose Zendrera