Pyrox Iceland (in Argentina Islote Dos Lomos , mutatis mutandis translated from Spanish island of two mountain ridges ) is an island off the Fallières coast of Graham Lands on the Antarctic Peninsula . It lies at the head of the Neny Fjord .
Scientists from the United States Antarctic Service Expedition (1939–1941) made the first measurements. Further measurements and the naming took place in 1949 by the Falkland Islands Dependencies Survey . It is named after minerals from the pyroxene group found here . The name valid in Argentina dates back to 1957.