""The Helderberg Group of Parts of West Virginia and Virginia"" is an authoritative geological and stratigraphic study focusing on the Lower Devonian rock formations found within the central Appalachian region. Written by the distinguished geologist Frank McKim Swartz, this work provides a detailed examination of the lithology and fossil content of the Helderberg Group, which is critical for understanding the geological evolution of the Eastern United States.
The book explores the complex layering of limestone and shale, offering precise descriptions of various formations such as the Keyser, Coeymans, New Scotland, and Becraft. Swartz's meticulous field observations and paleontological analyses help clarify the environmental conditions under which these sediments were deposited millions of years ago. By mapping the geographical distribution and thickness of these strata across West Virginia and Virginia, the work serves as a foundational reference for geologists, researchers, and students interested in Appalachian stratigraphy and the history of the earth's crust.
This scholarly contribution is valued for its rigorous scientific approach and its role in advancing the knowledge of North American geology during the early 20th century. ""The Helderberg Group of Parts of West Virginia and Virginia"" remains a significant text for those studying regional geology and the intricacies of the Devonian period.
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