Subject ASC0001ebe
The Quarterly journal of the Geological Society of London.
v.43 (1887), Page 327 (1887)
Natural History Museum Library, London
BHL Page 45996576
Keywords
rocks geology metamorphic gneiss granite hornblende-schists Gneiss Creux Harbour Sark rock formation Hornblende-schists overlying Gneiss Crux Harbour Rock Hornblende-schists overlying crystalline hornblende white felspar quartz black mica plagioclase striping gneiss