Abstract
The basement complex of the Robert Scott Glacier area, Queen Maud Range, Antarctica, consists of a complex suite of metasedimentary and metavolcanic rocks intruded by light gray biotite granite. Brown biotite from a granite at Mount Wilbur was dated by the potassium-argon method at 470 +/- 14 million years; this age coincides closely with many other ages from granitic rocks in the Transantarctic Mountains.
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