A thermal maturity map based on vitrinite reflectance of British coals

Liam Bullock* (Corresponding Author), John Parnell, David Muirhead, Joseph Armstrong, A. Schito, Sveva Corrado

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
11 Downloads (Pure)


A compilation of new and previously published vitrinite reflectance (Ro) data from Carboniferous coals constitutes the most comprehensive map of reflectance across Great Britain. Values of Ro range from 0.38 to 3.29 %, recording an ambient thermal maturity in the early oil window (standard reference point for reflectance studies), modified by elevated heat flow in northern England and along the Variscan orogenic front. The map provides a context for other geological data sets.
Original languageEnglish
Pages (from-to)1136-1142
Number of pages7
JournalJournal of the Geological Society
Issue number6
Early online date3 Jul 2019
Publication statusPublished - 1 Nov 2019

Bibliographical note

The authors wish to thank Professor Barry A. Thomas for supplying Wrexham coal samples and David Richardson for sharing samples and data for coals from New Cumnock. The authors are grateful for the constructive comments from Dr David P. Creedy and Dr Onoriode Esegbue, as well as the careful editorial handling of Dr Veerle Vandeginste. This work was partially funded by NERC grant NE/M010953/1.

Reply to discussion on ‘a thermal maturity map based on vitrinite reflectance of british coals’, journal of the geological society, london, 176, 1136–1142, https://doi.org/10.1144/jgs2019-055


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