Bartholomew c1900

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		Bartholomew c1900
	Geological Map of the British Isles, scale about 63 miles to 1 inch, published by John Bartholomew, Edinburgh, about 1900?
	REFERENCE TO COLOURING
	The layout of eras, periods, etc is unclear. The strata are:-
	RECENT   --- 18 Alluvium   CAINOZOIC OR TERTIARY   --- 17/16 Pliocene, Oligocene, and Eocene / Upper and Lower   MESOZOIC OR SECONDARY   - Cretaceous   --- 15 Wealden   --- 14 Oolites   - Jurassic   --- 13 Lias   --- 12 Keuper   - Triassic   --- 11 Bunter   --- 10 Magnesian Limestone   PALAEOZOIC OR PRIMARY   - Permian   --- 9 Red Marls   - Carboniferous   --- 8 Coal Measures   --- 7 Millstone Grit, Culm Measures   --- 6 Carboniferous Limestone   - [Devonian]   --- 5 Devonian and Old Red Sandstone   - [Silurian]   --- 4 Upper Silurian   --- 3 Lower Silurian   - [Cambrian]   --- 2 Cambrian   PRE CAMBRIAN   --- 1 Torridonian, including Uriconian and Longmynd   --- M Crystalline Schists of various ages including Lewisian or Hebridian Gneiss   -   --- [] Igneous

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