The geological significance of a negativ
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M. D. Thomas; M. Brooks
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Article
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1973
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John Wiley and Sons
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English
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## Abstract Three gravity traverses across the eastern half of the South Wales Coalfield indicate a local, elongate, negative Bouguer anomaly of a few milligals amplitude bordering the southern rim. The anomaly has a maximum amplitude of 4 mgal near Maesteg and attenuates eastward, dying out in the