Subject ASC00010ll
The Quarterly journal of the Geological Society of London.
v.59 (1903), Page 417 (1903)
Smithsonian Libraries
BHL Page 41497404
Keywords
rock calcite quartz iron-oxides mica-flakes biotite epidote geology aggregate iron-oxide Biotite mineral amygdaloids felspar carbonate lenticles corrosion albite Bossiney Haven lenticularaggregate groundmass Lenticular aggregate