Foot Steps of the Ancient Great Glacier of North America: A Long Lost Document of a Revolution in 19th Century Geological Theory by Harold W. Borns, Jr.Foot Steps of the Ancient Great Glacier of North America: A Long Lost Document of a Revolution in 19th Century Geological Theory by Harold W. Borns, Jr.

Foot Steps of the Ancient Great Glacier of North America: A Long Lost Document of a Revolution in…

byHarold W. Borns, Jr., Kirk Allen Maasch

Hardcover | February 6, 2015

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John K. DeLaski, M.D. practiced medicine in the Penobscot Bay region of Maine and, in addition, was a naturalist with keen powers of observation. His study of the landscape led to the conclusion that a thick glacier had overtopped the highest hills, flooded all of Penobscot Bay, extended far to the east and west and probably was part of a greater continental glacier. He published these very critical field observations and inferences in numerous articles in local newspapers and magazines, and in the American Journal of Science in 1864. His work put him on the "team" of Benjamin Silliman, James D. Dana and Louis Agassiz as an advocate for glaciation as the regional land shaping force opposed to that of the Biblical Deluge, a major scientific conflict of the day both in North America and Europe. He remained a shadowy player, in the background, but clearly contributed critical observations to the argument through personal interactions with Agassiz and other prominent naturalists. They incorporated DeLaski's observations into their own presentations, often without giving him credit. John DeLaski's summary work, a 400 page handwritten manuscript for the book, "The Ancient Great Glacier of North America", was dated 1869. He died in 1874 and the book was not published. The historic significance of DeLaski's unpublished book is based upon its startling contribution to one of the major scientific questions of the day of whether the surficial geology of northern U.S. and Canada was caused by the actions of the Biblical Flood or by continental glaciation. If published, this would have been the first book on this continent, at least, to present a holistic discussion of the controversy in which he presented his critical observations of the surficial geology in Maine, southern New England and New Brunswick, Canada and concluded that these depositional and erosional features must be of glacial origin. DeLaski then incorporated other evidence into the book for glaciation reported by others from the region during a decade or two, and from the mid and far west and Canada to advocate that the entire region was covered by an ice sheet that was at least 5,000 feet and probably much thicker over interior northern U.S. and Canada and which terminated along a glacial margin which extended from southern new England as far westward along the courses of the Ohio, and Missouri Rivers. All this was done while most "naturalists" still advocated the Biblical Flood to explain the major components of the surficial geology in North America and abroad. DeLaski's book containing his critical observations of clearly so many landscape features of glacial origin, if published would have been a pivotal document that would have strongly supported those arguing for glaciations in the glaciations vs. flood international argument.
Harold William Borns, Jr. is Professor Emeritus of Glacial and Quaternary Geology at the University of Maine. He has taught geology for 50 years and in retirement has continued Ice Age field research projects in Maine, Denmark and Ireland. Professor Borns has had published about 150 peer-reviewed scientific journal articles, made many ...
Title:Foot Steps of the Ancient Great Glacier of North America: A Long Lost Document of a Revolution in…Format:HardcoverDimensions:202 pagesPublished:February 6, 2015Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3319131990

ISBN - 13:9783319131993

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Table of Contents

Part I John Kimball DeLaski.- Biographical sketch.- The manuscript.- Part II The Ancient Great Glacier of North America.- Preface.- The phenomena of boulder drift.- Carver's Harbor.- Research on rocks.- Vinalhaven and North Haven.- Camden Hills and Mount Desert.- Mount Desert to Holden.- Bangor to the Piscataquis Valley.- Mount Katahdin.- The inescapable conclusion - A large glacier.- Evidence from all over North America.- Boulder drift theories.- Objection to iceberg theory continued.- An astronomical theory.- Astronomical theory continued.- Theory of mutable axis of the earth.- Continental upheaval and subsidence.- The changeable relations of land and water.- Supposed cause of the cold period.- Geologic record since the Devonian.- The climate cools.- A glacial time.- Duration of the glacial age.- End of the glacial age.- On the motion of glaciers.- Purpose of the glacier.- Late-glacial cold-water marine shells of Maine and adjacent regions.

Editorial Reviews

"This book is a treasure for natural scientistsinterested in the emergence of 19th-century thought. Summing Up: Recommended.Graduate students and researchers/faculty." (J. D. Ives, Choice, Vol. 53 (1),September, 2015)