Exploration for porphyry metal deposits based on rutile distribution-- a test in Sumatera
Subtitle: a new exploration tool for porphyry deposits in the tropics
By: by Eric R. Force, Sukirno Djaswadi, and Theo van Leeuwen. Titanium mineral resources of the United States-- definitions and documentation / by Eric R. Force and Langtry G. Lynd.
Contributors: Djaswadi, Sukirno.; Leeuwen, Theo van.; Lynd, Langtry E.; Geological Survey (U.S.)
Series: Contributions to the geology of mineral deposits; Geological Survey bulletin -- 1558-A,B.
Publisher: Dept. of the Interior, U.S. Geological Survey; For sale by the Distribution Branch, U.S. Geological Survey
Published: 1984
Place of publication: [Reston, Va.?]; Alexandria, VA
Language: eng
Subjects: Copper ores -- Tropics.; Copper ores -- Indonesia.; Porphyry -- Tropics.; Porphyry -- Indonesia.; Rutile.; Titanium ores -- United States.
Notes: No collective t.p. Titles transcribed from individual title pages.

Includes bibliographies.