Fig. 2: Examples of pink granite in the Pine Island Glacier region.

a Pink granitic erratic (MM-02) perched on bedrock in the Hudson Mountains. Diameter of erratic is 35 cm. b Granitic clast within tuffaceous bedrock at World’s End Bluff, note angular clast margin. c Pink granitic bedrock at Sif Island. Jointing is visible in the foreground. d Close-up view of Sif Island bedrock (handheld GPS for scale); this is the same bedrock surface that is visible in the lower right corner of (c).