Also note path of Traverse 2, an elemental scan across the field for Uranium and Titanium, shown below. 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.