Alexander Peak [SEP] continent
Alexander Peak
Alexander Peak is a summit in the north end of the Haines Mountains 1 nautical mile (2 km) west of Buennagel Peak. Alexander Peak sits in the Ford Ranges, Marie Byrd Land, Antarctica. Probably first seen on aerial flights from Little America base by the Byrd Antarctic Expedition (1928–30), it was named by the Advisory Committee on Antarctic Names for C.D. Alexander, a member of the Byrd Antarctic Expedition (1933–35).
Plate. The islands were carried eastward as the plate subducted the South American continent. Radiometric dating indicates that Santa Clara is the oldest of the islands (at 5.8 million years), followed by Robinson Crusoe (3.8–4.2 million years) and Alexander Selkirk (1.0–2.4 million years). Robinson Crusoe is the largest of the islands at , and its highest peak (El Yunque) is high. Alexander Selkirk covers , and its highest peak is Los Innocentes at . Santa Clara covers , reaching an elevation of .