Alston Orefield (Tyne to Stainmoor division of Northern Pennine Orefield) showing mineral zones (fluorine zone – purple; barium zone – green) …

Alston Orefield (Tyne to Stainmoor division of Northern Pennine Orefield) showing mineral zones (fluorine zone – purple; barium zone – green), 1958 Scale: 1:176000 – From:General Maps and Data

ref no.D/Dun 1/6
Date1778,
1986
Era20th Century (1901 to 2000),
Late 20th Century (1967 to 2000),
Hanoverian (1714 to 1837)
Tags
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PlacesStainmoor
Keywords
Expandmineral zones fluorine zone,
Alston Orefield Tyne,
Northern Pennine Orefield,
barium zone,
Stainmoor division,
General Maps,
Scale,
Data