Record

Archive Reference / Library Class No.	LS/622.34 Oversize
Title	Secondary enrichment by natural flotation.
Date	1962
Publication Date	1962
Author	Varvill, W. W.
Repository	Derbyshire Record Office
Abstract	Flotation is considered as the probable reason for the secondary enrichment of the galena deposits in the Mill Close and other lead mines in Derbyshire.
Further Information	From: Mine and Quarry Engineering Feb, Mar, Apr and May 1962
Term	Lead mines
	Lead mining
	Geology