TY - BOOK ID - 135242502 TI - Exploration for porphyry metal deposits based on rutile distribution-- a test in Sumatera : a new exploration tool for porphyry deposits in the tropics AU - Force, Eric R. AU - Djaswadi, Sukirno AU - Leeuwen, Theo van AU - Lynd, Langtry E. AU - Geological Survey (U.S.) PY - 1984 PB - [Reston, Va.] : Washington : Department of the Interior, U.S. Geological Survey, United States Government Printing Office. DB - UniCat KW - Copper ores KW - Copper ores KW - Porphyry KW - Porphyry KW - Rutile. KW - Titanium ores KW - Indonesia. KW - Tropics. KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:135242502 AB - ER -