11 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 4 Page 138 Page 138 Page 387
Principles of geology
By: Lyell, Charles, Sir,
Publication info: London, John Murray, 1837
Volume: v.1
Pages: Page 434 Page 434 Page 46 Page 46 Page 350 Page 367