A nomogram for obtaining percent composition by weight from mineral-grain counts

Author:	Berman, R.
Year:	1952
Document Type:	MAIN
Issuing Agency:	U.S. Dept. of the Interior, Geological Survey,
Series:	Trace elements investigations report,
Report Number:	273
Subject:	Ores--Sampling and estimation
Link:	https://hdl.handle.net/2027/mdp.39015095012350