Revised grade and tonnage model of carbonatite deposits
By: by Donald A. Singer
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 98-235; U.S. Geological Survey open-file report -- 98-235
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1998
Place of publication: Menlo Park, CA
Language: eng
Format: Microform
Subjects: Carbonatites
Notes: Cover title

Shipping list no.: 99-0353-M

Includes bibliographical references (leaves 1-3)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1998?] 1 microfiche : negative