the soviet era saw drastic industrialization and militarization of the peninsula. in 1925–1926, significant deposits of apatite were discovered in the khibiny mountains, and the first apatite batch was shipped only a few years later, in 1929. in 1930, sulfide deposits were discovered in the moncha area; in 1932–1933 iron ore deposits were found near the upper streams of the iona river; and in 1935, significant deposits of titanium ores were discovered in the area of modern afrikanda.