Lanthanide, yttrium, and zirconium anomalies in the Fire Clay coal bed, Eastern Kentucky

Rare earth element-bearing coals from the Russian Far East deposits

Vladimir V. Seredin · International Journal of Coal Geology · 1996 · 251 citations

Natural Sciences, Earth Sciences, Geology +13

Rare earth elements in a sampled coal from the Pirin deposit, Bulgaria

Greta M. Eskenazy · International Journal of Coal Geology · 1987 · 206 citations

Natural Sciences, Earth Sciences, Geology +14

Rare earth elements and yttrium in lithotypes of Bulgarian coals

Greta M. Eskenazy · Organic Geochemistry · 1987 · 135 citations

Natural Sciences, Earth Sciences, Geology +11

The effects of volcanic ash on the maceral and chemical composition of the C coal bed, Emery Coal Field, Utah

Sharon S. Crowley, R.W. Stanton, Thomas A. Ryer · Organic Geochemistry · 1989 · 116 citations

Natural Sciences, Earth Sciences, Mining Engineering +17

Geochemistry of the Pond Creek coal bed, Eastern Kentucky coalfield

James C. Hower, Alan E. Bland · International Journal of Coal Geology · 1989 · 89 citations

Natural Sciences, Earth Sciences, Geology +14