Across Section for Uranium and Titanium. Cathodoluminescence Photomicrograph Sample C2-17. Light blue areas are Feldspar, white-yellow areas are Zircons, some forms are with zoning. Black areas with spherical, muti-colored inclusions are Allanite. Plagioclase is white.
Plagioclase is white.
See scale in upper left of photomicrograph.