Grunow was the first woman to visit many of the remote West Antarctic outcrops in the Ellworth-Whitmore mountains, Thurston Island/Jones Mtns and Pine Island Bay.
Dalziel and Dennis V. Kent[7] on her dissertation entitled: Aspects of the evolution of the West Antarctic margin of Gondwanaland.
Some of Anne Grunow's most cited and notable work includes her research on Pan-African deformation and the potential links to the lapetus opening.
[11] This research centered around data collections dating back to the late Neoproterozoic era, and how they demonstrated a temporal correlation between Pan-African deformation and the Iapetus ocean basin closing.
[14] Grunow was also active in tectonics research of the Avalon Terrane in New England with Wellesley College mentor, Margaret Thompson.