The Journal of Geology, May-June 1893 by Various

Description

The Journal of Geology, May-June 1893 by Various is a scientific publication written in the late 19th century. The volume encompasses various studies and papers related to geological phenomena, rock formations, and mineralogy in North America. The journal serves as a significant resource for understanding the geological characteristics and history of various regions, particularly those concerning the Laurentian area of Canada and its underlying structures. The opening of the journal provides a comprehensive overview of the Laurentian geological system, specifically focusing on the Laurentian rocks that form part of the mountainous regions in Canada. The section delves into the classifications of the Fundametal Gneiss and the Grenville Series, highlighting their mineral composition, structural characteristics, and interrelations. With discussions on historical explorations and observations by geologists like Sir William Logan, the text sets the stage for a detailed analysis of these ancient rock formations, as well as raising questions about their origins and geological evolution. The discussion introduces key themes that will likely be elaborated upon throughout the volume. (This is an automatically generated summary.)