Geological controls on the sulphur distribution in British Carboniferous coals: a review and reappraisal

Spears, D. A.; Rippon, J. H.; Cavender, Paul F.

doi:10.1016/s0166-5162(98)00057-3

Cited by 33 publications

(24 citation statements)

References 55 publications

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“…A depositional control on the sulphur distribution can also be demonstrated from the inverse relationship between the sulphur content and distance from contemporaneous river channels in the Main Bright and Threequarters seams in the same coalfield. The channels are thought to have provided a means of access of more sulphate-rich seawater into the peat mire (Spears et al, 1999b).…”

Section: The Concentration Values Inmentioning

confidence: 99%

“…It is a high-sulphur bituminous coal (Spears et al, 1999b), and is typical of many coals in the coalfield, which is one reason why production has declined. In common with many other coals from around the world, the coals were deposited on low-lying coastal areas (paralic).…”

Section: Introductionmentioning

confidence: 99%

“…This enabled the sulphur distributions to be studied in greater detail than had previously been possible (Cavender, 1995;Cavender andSpears, 1995, 1997). The results of the Parkgate study were also incorporated into a reappraisal of all the UK data on sulphur (Spears et al, 1999b). Cavender (1995) made supplementary analyses of the Parkgate coal to augment the database, but whole rock major and trace element analyses were not included.…”

Section: Introductionmentioning

confidence: 99%

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The geochemistry of environmentally important trace elements in UK coals, with special reference to the Parkgate coal in the Yorkshire–Nottinghamshire Coalfield, UK

Spears

Tewalt

2009

International Journal of Coal Geology

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The Parkgate coal of Langsettian age in the Yorkshire-Nottinghamshire coalfield is typical of many coals in the UK in that it has a high sulphur (S) content. Detailed information on the distribution of the forms of S, both laterally and vertically through the seam, was known from previous investigations. In the present work, 38 interval samples from five measured sections of the coal were comprehensively analysed for major, minor and trace elements and the significance of relationships established using both raw and centered logtransformed data.The major elements are used to quantify the variations in the inorganic and organic coal components and determine the trace element associations. Pyrite contains nearly all of the Hg, As, Se, Tl and Pb and is also the major source of the Mo, Ni, Cd and Sb. The clays contain the following elements in decreasing order of association: Rb, Cs, Li, Ga, U, Cr, V, Sc, Y, Bi, Cu, Nb, Sn, Te and Th. Nearly all of the Rb is present in the clay fraction, whereas for elements such as V, Cu and U, a significant amount is thought to be present in the organic matter, based on the K vs trace element regression equations. Only Ge, and possibly Be, would appear to have a dominant organic source. The trace element concentrations are 2 calculated for pyrite, the clay fraction and organic matter. For pyrite it is noted that concentrations agree with published data from the Yorkshire-Nottinghamshire coalfield and also that Tl concentrations (median of 0.33 ppm) in the pyrite are greater than either Hg or Cd. Unlike these elements, Tl has attracted less attention and possibly more information is needed on its anthropogenic distribution and impacts on man and the environment. A seawater source is thought to be responsible for the high concentrations of S, Cl and the nondetrital trace elements in the Parkgate coal. Indicative of the seawater control is the Th/U ratio, which expresses the detrital to non-detrital element contributions. Using other elements, similar ratios can be calculated, which in combination offer greater interpretative value.

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Section: The Concentration Values Inmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The geochemistry of environmentally important trace elements in UK coals, with special reference to the Parkgate coal in the Yorkshire–Nottinghamshire Coalfield, UK

Spears

Tewalt

2009

International Journal of Coal Geology

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“…Data compiled by Wandless [14], and plotted by Spears et al [15] (Figure 7), shows that the total S concentration is highest, with averages of over 2%, in an area of central England coinciding with the depocentre of the Pennine Basin. In the same area the organic S is also highest, averaging over 0.9%.…”

Section: Role Of Seawater On S and CL Concentrations In British Coalsmentioning

confidence: 99%

“…This became possible with British Coal's computerized data base in the early 1990s. (British Coal ceased to exist in 1994 and the records, including seam analyses, were transferred to the National Geological Records Centre at the British Geological Survey) Using the data base in a collaborative study with industry, and backed up with additional analyses, the distribution of S in what were at that time key economic seams (including the Parkgate Seam) was investigated by Cavender [17] and reported in Cavender and Spears [18] and Spears et al [15]. It was found that the S contents of individual sections of the seam (plies) could be mapped and the distribution was not random as had been thought.…”

Section: Role Of Seawater On S and CL Concentrations In British Coalsmentioning

confidence: 99%

The Role of Seawater on the Trace Element Geochemistry of Some UK Coals and a Tribute to Goldschmidt

Spears

2017

Minerals

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Abstract:The Pennsylvanian coals in the UK were deposited in a low-lying delta plain which was periodically inundated by the sea. This resulted in high S contents, mainly due to early diagenetic pyrite. Based on a statistical analysis of the geochemical data, pyrite is the major host for As, Se, Hg, Tl and Pb and an important host for Mo, Cd, Ni, Sb and Cu. All of these elements are enriched in the coals compared with non-marine mudrocks in the sequence, as is Ge and Be, although theirs is an organic association. The pattern of enrichment in the coals is similar to that in marine shales and coals overlain by marine shales, demonstrating the seawater influence. Goldschmidt was a pioneer in the geochemical study of coals and this paper will demonstrate that many of his ideas have stood the test of time.

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Assessing the environmental impact of bituminous coal from Barapukuria Coal Mine: thermogravimetric, microstructural, and morphological characterization for energy production implications

Monir,

Habib,

Chowdhury

et al. 2024

J Therm Anal Calorim

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Geological controls on the sulphur distribution in British Carboniferous coals: a review and reappraisal

Cited by 33 publications

References 55 publications

The geochemistry of environmentally important trace elements in UK coals, with special reference to the Parkgate coal in the Yorkshire–Nottinghamshire Coalfield, UK

The geochemistry of environmentally important trace elements in UK coals, with special reference to the Parkgate coal in the Yorkshire–Nottinghamshire Coalfield, UK

The Role of Seawater on the Trace Element Geochemistry of Some UK Coals and a Tribute to Goldschmidt

Assessing the environmental impact of bituminous coal from Barapukuria Coal Mine: thermogravimetric, microstructural, and morphological characterization for energy production implications

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