Name StatusOfficial ValidatedFeatureGlacier TongueNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag[1] PositionDescriptionA glacier tongue about 6 miles long and 2 miles wide extending into Granite Harbour from the Mackay Glacier along the coast of Victoria Land. First charted by the BAE, 1910-13. The feature takes its name from the Mackay Glacier which was named for Dr Alistair Forbes Mackay, a member of the BAE, 1907-09. Not Mackay Ice Tongue.