Excerpt from The Bala Volcanic Series of Caernarvonshire and Associated Rocks: Being the Sedgwick Prize Essay for 1888 I. Introductory: Three divisions of the county, 1; specimens, 3; litera ture, 3. Rhyolitic lavas: Groups of flows in eastern Caernarvonshire, 8; Lleyn rhyolites, 10; the Welsh felstones true lavas, 12; chemical composition, 13; characters in the field and in hand-specimens, 16; microscopical study, 18; ashes and agglomerates, 25. About the Publisher Forgotten Books publishes hundreds of thousands ...
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Excerpt from The Bala Volcanic Series of Caernarvonshire and Associated Rocks: Being the Sedgwick Prize Essay for 1888 I. Introductory: Three divisions of the county, 1; specimens, 3; litera ture, 3. Rhyolitic lavas: Groups of flows in eastern Caernarvonshire, 8; Lleyn rhyolites, 10; the Welsh felstones true lavas, 12; chemical composition, 13; characters in the field and in hand-specimens, 16; microscopical study, 18; ashes and agglomerates, 25. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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