Foord reported that bastnasite has been found pseudomorphing allanite. |
Schlieren consists of biotite, amphibole, zircon, allanite, monazite, magnetite, and fluorite. |
Gadolinite and allanite intergrowths form walnut-shaped vitreous black masses and nodules to 5 cm across. |
The Bakfjord Granite contains quartz, K-feldspar, biotite, plagioclase, epidote, allanite, muscovite and occasional garnet. |
The rare earth mineralization, consisting of fergusonite, allanite, and zircon, occurs in amphibole bearing granitic pegmatites. |
Large titanite euhedra are abundant along with apatite and zircon, with allanite and epidote less so. |