Subject ASC0001elo

The Quarterly journal of the Geological Society of London.
v.43 (1887), Page 526 (1887)
Natural History Museum Library, London
BHL Page 45996787

Keywords

microscopic crytalline schists malvern hills SW NE pressure crushing breccia metamorphism rocks granite Key's End Hill rock gneiss Granite vein Gneiss

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Species