7 Pages in Charles Darwin's Library associated with "geology - trap rock"

Manual of mineralogy.
By: Jameson, Robert.
Publication info: Edinburgh :Archibald Constable & Co.,1821.
Pages: Page 4 Page 138 Page 387
Principles of geology.
By: Lyell, Charles.
Publication info: London :John Murray,1837.
Volume: v.1
Pages: Page 434 Page 46 Page 350 Page 367