Figure 3. Positions of the metamorphic rocks of central Queen
Maud Land (solid circles - orthogneiss of plutonic origin,
triangles - orthogneiss of inferred volcanic origin) and of the
Fisher rocks from the Prince Charles Mountains (open circles) in
the Zr+Nb+Ce+Y - FeO/MgO diagram
(after [Whalen et al., 1987]).
OGT - orogenic granitoids; FG - fractionated granitoids.