-
intermediate layer within cyclens, Type IV-stringers ****ociated to OPX
pegmatoids.
Upper Critical Zone:
Approximately 450-1000m thick,
defined as Anorthosite...
-
eudialyte group with
essential titanium.
Dualite was
found in
peralkaline pegmatoid rock at Mt Alluaiv,
Lovozero m****if, Kola
Peninsula Russia. It ****ociates...
- V. G. Feklichev.
Feklichevite was
found in
cancrinite syenite vein of
pegmatoid type, that
occurs in the
Kovdor alkaline m****if, Kola Peninsula, Russia...
-
industry in
their faults, ****s, joints, domes, iron-rich
ultramafic pegmatoids,
rolls and
dunite pipes. The
greatest mining problems, though, are presented...
