Ask_A_Geologist

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[Ask_A_Geologist @ask_a_geo]

@BruceDownie @GovanhillGo The dykes annotated in red are likely to be geological dykes, i.e. vertically oriented igneous intrusions, which would pose an obstacle to mining.

[Ask_A_Geologist @ask_a_geo]

@BruceDownie @GovanhillGo The faint curving line annotated as 'wall face of Upper Coal' looks like it corresponds with the Glasgow Upper Coal on BGS map 30E: