Excerpt from On the Birds of the Islands of Aruba, Cura ao, and Bonaire The interior parts of the islands consist of sedimentary rocks, in several places pierced by volcanic rocks, while on Aruba grey granite is said to predominate, and many quartz veins are found, containing a considerable amount of gold. Deposits of phosphate are distributed over the islands (of. Blackburn, 'aruba-phosphate, ' p. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.