Subject ASC0000zn9
The Quarterly journal of the Geological Society of London.
v.37 (1881), Page 136 (1881)
Smithsonian Libraries
BHL Page 43971346
Keywords
boulder slice Hornblende Picrite Pen-y-Carnisiog Anglesey Picrite slice of boulder magnified geology olivine hornblende picrite picrite rock slice hornblende picrite hornblende olivine Anglesey geology Boulder cross section