Geochemistry of
Niobium and Tantalum
GEOLOGICAL SURVEY PROFESSIONAL PAPER 612
,
,Geochemistry of
Niobium and Tantalum
By RAYMOND L. PARKER and MICHAEL FLEISCHER
GEOLOGICAL SURVEY PROFESSIONAL PAPER 612
A review of the geochemistry of niobium
and tantalum and a glossary of
niobium and tantalum minerals
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1968
, UNITED STATES DEPARTMENT OF THE INTERIOR
STEWART L. UDALL, Secretary
GEOLOGICAL SURVEY
William T. Pecora, Director
Library of Congress catalog-card No. GS 68-344
For sale by the Superintendent of Documents, U.S. Government Printing Office
Washington, D.C. 20402 - Price 50 cents (paper cover)
Niobium and Tantalum
GEOLOGICAL SURVEY PROFESSIONAL PAPER 612
,
,Geochemistry of
Niobium and Tantalum
By RAYMOND L. PARKER and MICHAEL FLEISCHER
GEOLOGICAL SURVEY PROFESSIONAL PAPER 612
A review of the geochemistry of niobium
and tantalum and a glossary of
niobium and tantalum minerals
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1968
, UNITED STATES DEPARTMENT OF THE INTERIOR
STEWART L. UDALL, Secretary
GEOLOGICAL SURVEY
William T. Pecora, Director
Library of Congress catalog-card No. GS 68-344
For sale by the Superintendent of Documents, U.S. Government Printing Office
Washington, D.C. 20402 - Price 50 cents (paper cover)
