Concepedia

D. A. Spears

DA

Statistics

Publications

86

Citations

4K

H-Index

38

Active since

1964

Affiliations

University of Sheffield(Current)

Instituto Nacional del Carbón

National Research Tomsk State University

Tomsk Polytechnic University

D. A. Spears is an author at University of Sheffield specializing in natural sciences, earth sciences, and geology.

ORCID

Publications per year

1964–2024

86

Publications

86

Mineral matter and trace elements in coals of the Gunnedah Basin, New South Wales, Australia

Colin R. Ward, D. A. Spears, C.A. Booth et al. · International Journal of Coal Geology · 1999 · 246 citations

, , +17

Geochemistry and origin of elements in some UK coals

D. A. Spears, Yuyan Zheng · International Journal of Coal Geology · 1999 · 226 citations

, , +10

The origin of tonsteins, an overview, and links with seatearths, fireclays and fragmental clay rocks

D. A. Spears · International Journal of Coal Geology · 2011 · 181 citations

, , +2

The formation of sedimentary iron minerals

C. D. Curtis, D. A. Spears · Economic Geology · 1968 · 161 citations

, , +17

The fate of trace elements and bulk minerals in pulverized coal combustion in a power station

M. Rosa Martı́nez-Tarazona, D. A. Spears · Fuel Processing Technology · 1996 · 128 citations

, , +17

1–5 of 86