Accreted terranes and mineral deposits of Indochina

Indochina is an amalgamation of the Sine-Vietnam, Viet-Lao, Uttaradit, and Khorat-Kontum terranes. Mineral deposits are distributed as follows: In the Sine-Vietnam terranes, gold, iron, copper, lead-zinc, ruby, pagodite, and Permian bauxite deposits are known. Gold, tin, tungsten, phosphate, lead-zinc, skarn type iron, rare-earth minerals, pagodite, and graphite deposits are found in the Viet-Lao terrane. Gold, Tertiary bauxite, lead-zinc, copper, ruby, sapphire, tin, pagodite, phosphate, potash, and halite deposits are present in the Khorat-Kontum terrane, whereas chromium, gold, tin, and tungsten deposits occur in the Uttaradit terrane. The tectonic evolution of these terranes provides information on the distribution and origin of these deposits. (C) 2000 Elsevier Science Ltd. All rights reserved.