The Bala Volcanic Series of Caernarvonshire and Associated Rocks. HARKER Alfred 1859-1939 Publisher: University Press Publish Year: 1889 Publish Place: University Press, Cambridge. Illustrator: Unknown Category: Miscellaneous, Foreign Travel, Antiquarian Book, History, Reference Book No: 005351 Status: For Sale Book Condition: Very Good Size: 8vo - over 7¾" - 9¾" tall Jacket Condition: Unknown Binding: Hardcover Book Type: Unknown Edition: First Edition Inscription: Unknown £20 Add to Basket Ask a question Refer to a friend Additional information 1st ed, 1889, VG, 6 pls. In red cloth, corners lightly bumped, a little worn at head, blind tooling to edges, with a circular blind stamp to upper cover. Spine has titles in gilt, edges a little bumped, lib ref nos at base. Internally, bookplate of Chelsea library to fpd, [8], [1], 2-130 pp, [1] advert, 6 pls (maps), label remains to corner of bp, library stamp to verso of tp, and then at half title and ep, blind stamp to corner of plates. (219*139 mm). Harker whose major theoretical suggestion was that the general character of different regions of igneous rocks might be related to the tectonic environment-the conditions of temperature and pressure under which the rocks were formed. Following the studies at Shap, Harker showed that the rocks surrounding the Shap granite had been reconstituted without significant changes in bulk composition. See ODNB.
