Geochemical association of niobium (columbium) and titanium and its geological and economic significance

Michael Fleischer; K. J. Murata; Janet D. Fletcher; Perry F. Narten

doi:10.3133/cir225

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Geochemical association of niobium (columbium) and titanium and its geological and economic significance

Circular 225

By: Michael Fleischer, K. J. Murata, Janet D. Fletcher, and Perry F. Narten

https://doi.org/10.3133/cir225

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Abstract

Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	Geochemical association of niobium (columbium) and titanium and its geological and economic significance
Series title	Circular
Series number	225
DOI	10.3133/cir225
Year Published	1952
Language	ENGLISH
Publisher	[U.S. Geological Survey],
Description	13 p. ;27 cm.