Deletion of Solid Earth

Comment: Passes . Source examples: http://books.google.com.br/books?id=LjYrAAAAYAAJ&lpg=PA66&dq=solid%20earth&pg=PP1#v=onepage&q=solid%20earth&f=false, http://books.google.com/books?hl=en&lr=&id=WxYSNUuPfTIC&oi=fnd&pg=PR11&dq=solid+earth&ots=TvSSNTRkwG&sig=HPh3GxyzQWtUFpcPhhYX83XTPus#v=onepage&q=solid%20earth&f=false, http://books.google.com.br/books?id=Hp8s--31wggC&lpg=PP1&dq=solid%20earth&pg=PA3#v=onepage&q=solid%20earth&f=false
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: Looks like more than a  to me. Plus there are 
Stance: keep
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:DICDEF||WP:RS)