Concepedia

D. A. Spears

DA

Statistics

Publications

85

Citations

3.9K

H-Index

37

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 engineering, geochemistry, and geology.

Top concepts

EngineeringGeochemistryGeologyEarth ScienceSedimentologyPetrologySedimentary PetrologyEnvironmental ChemistryEnvironmental EngineeringCivil Engineering

Publications per year

1964–2024

85

Publications

85

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 · 242 citations

Engineering, Nonmetallic Mineral Deposit, Mineral Matter +8

Geochemistry and origin of elements in some UK coals

D. A. Spears, Yuyan Zheng · International Journal of Coal Geology · 1999 · 225 citations

Engineering, Geology, Uk Coals +5

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

D. A. Spears · International Journal of Coal Geology · 2011 · 172 citations

Engineering, Fragmental Clay Rocks, Taphonomy +5

The formation of sedimentary iron minerals

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

Organic Geochemistry, Ore Formation, Earth Science +15

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

Chemical Engineering, Environmental Chemistry, Bulk Minerals +10

1–5 of 85