Subject ASC00014t2
The Quarterly journal of the Geological Society of London.
v.26 (1870), Page 161 (1870)
Smithsonian Libraries
BHL Page 39017698
Keywords
iron ore geology brown aluminous haematite sesquioxide of iron protoxide of iron protoxide of manganese alumnia lime magnesia potash silica phosphoric acid water titanic acid Percy Metallurgy of Iron p 207. Geological sesquioxide iron alumina Ballypalidy. Chart