Red Wine is a regionally metamorphosed agpaitic complex situated within the Grenville Front tectonic zone of central Labrador.
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In the vicinity of Cape Aillik and Cape Makkovik on the Labrador coast and on offshore islands occur numerous gently dipping dykes (? cone sheets) possibly related to a centre beneath Aillik Bay.
An area of peralkaline granite southwest of Flowers Bay has been described by Collerson (1982) and a similar complex of peralkaline granites around the Flowers River by Hill and Thomas (1983).
The Mann 1 occurrence lies some 12 km northeast of the North Red Wine complex (Fig. 79) and is associated with a fault breccia zone in variable peralkaline syenite.
Located 5.2 km southwest of Mann 1 and 6.5 km north-northeast of the North Red Wine complex the Mann 2 occurrence is a long narrow body of about 3.5 km x 100-200 m. It lies within deformed rocks of the Letitia Lake Group, and is correlated by Curtis and Currie (1981, Fig.
A cancrinite-arfvedsonite pegmatite occurs on two small islands in a narrow arm along the north side of Nachicapau Lake. Arfvedsonite crystals up to 2x0.2 cm lie in a groundmass of cancrinite and very fine grained magnetite.