The Relation of Concretions to Coal Seams

• 1 April 1924
• journal article
• Published by University of Chicago Press in The Journal of Geology
• Vol. 32  (3) , 230-239
• https://doi.org/10.1086/623086

Abstract

Keywords

• ALKALINE EARTH METAL
• IRON
• MAGNESIUM
• CALCIUM CARBONATE
• CHEMICAL ANALYSIS