amounts of hastingsite, biotite, schorlomite, titanite, magnetite, pyrite and chalcopyrite. The most...and biotite with subordinate alkali feldspar, titanite, calcite, magnetite, apatite and zircon. The nephelinesyenite...amphibole with the principal accessories zircon, titanite, apatite, monazite and minor astrophyllite and...aegirine-augite and nepheline with subordinate hastingsite, titanite, apatite, calcite, natrolite and phlogopite. Alkaline...aegirine-diopside and apatite with minor amphibole, titanite, zircon, baryte, ankerite, dolomite, pyrrhotite |