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GRAHAM A. SHIELDS
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Journal Article

Glacially influenced provenance and Sturtian affinity revealed by detrital zircon U–Pb ages from sandstones in the Port Askaig Formation, Dalradian Supergroup Open Access

Elias J. Rugen, Guido Pastore, Pieter Vermeesch, Anthony M. Spencer, David Webster, Adam G. G. Smith, Andrew Carter, Graham A. Shields
Published: 16 August 2024
Journal of the Geological Society (2024) 181 (5): jgs2024-029.
DOI: https://doi.org/10.1144/jgs2024-029
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View PDF for article title, Glacially influenced provenance and Sturtian affinity revealed by detrital zircon U–Pb ages from sandstones in the Port Askaig Formation, Dalradian Supergroup
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Journal Article

Modelling sulfate concentrations in the global ocean through Phanerozoic time Open Access

Alexander J. Krause, Graham A. Shields, Robert J. Newton, Benjamin J. W. Mills
Published: 29 April 2024
Journal of the Geological Society (2024) 181 (4): jgs2023-184.
DOI: https://doi.org/10.1144/jgs2023-184
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View PDF for article title, Modelling sulfate concentrations in the global ocean through Phanerozoic time
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Journal Article

A template for an improved rock-based subdivision of the pre-Cryogenian timescale Open Access

Graham A. Shields, Robin A. Strachan, Susannah M. Porter, Galen P. Halverson, Francis A. Macdonald, Kenneth A. Plumb, Carlos J. de Alvarenga, Dhiraj M. Banerjee, Andrey Bekker, Wouter Bleeker, Alexander Brasier, Partha P. Chakraborty, Alan S. Collins, Kent Condie, Kaushik Das, David A. D. Evans, Richard Ernst, Anthony E. Fallick, Hartwig Frimmel, Reinhardt Fuck, Paul F. Hoffman, Balz S. Kamber, Anton B. Kuznetsov, Ross N. Mitchell, Daniel G. Poiré, Simon W. Poulton, Robert Riding, Mukund Sharma, Craig Storey, Eva Stueeken, Rosalie Tostevin, Elizabeth Turner, Shuhai Xiao, Shuanhong Zhang, Ying Zhou, Maoyan Zhu
Published: 07 July 2021
Journal of the Geological Society (2022) 179 (1): jgs2020-222.
DOI: https://doi.org/10.1144/jgs2020-222
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View PDF for article title, A template for an improved rock-based subdivision of the pre-Cryogenian timescale
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Journal Article

Sulphur isotope compositions of sedimentary phosphorites from the basal Cambrian of China: implications for Neoproterozoic-Cambrian biogeochemical cycling Available to Purchase

GRAHAM A. SHIELDS, HARALD STRAUSS, STEPHEN S. HOWE, HENDRIK SIEGMUND
Published: 01 September 1999
Journal of the Geological Society (1999) 156 (5): 943–955.
DOI: https://doi.org/10.1144/gsjgs.156.5.0943
View PDF for article title, Sulphur isotope compositions of sedimentary phosphorites from the basal Cambrian of China: implications for Neoproterozoic-Cambrian biogeochemical cycling
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