Subject ASC0001dkr
The Quarterly journal of the Geological Society of London.
v.49 (1893), Page 188 (1893)
Natural History Museum Library, London
BHL Page 45958796
Keywords
crystals granite-nucleus of a spherulite quartz micropegmatite granite: Spherulite: magnification: granite nucleus of a spherulite: quartz: Cullen Hills microscopic view granite geology