Deception Island
a volcanic island belonging to the South Shetland group in the Antarctic Ocean, directly S. of Cape Horn. Amid its ice-covered rocks lies a crater-lake, five miles in circumference, surrounded by hot springs. DECHENITE (named after the German geologist, Von Dechen), De a red or DECIMAL FRACTION yellow greasy mineral, occurring massive, botryoidal, nodular, stalactitic, and at times slightly columnar. Found in Germany.