Foot Steps of the Ancient Great Glacier of North America A Long Lost Document of a Revolution in 19th Century Geological Theory /

• Κύριοι συγγραφείς: Borns, Jr., Harold W. (Συγγραφέας), Maasch, Kirk Allen (Συγγραφέας)
• Συγγραφή απο Οργανισμό/Αρχή: SpringerLink (Online service)
• Μορφή: Ηλεκτρονική πηγή Ηλ. βιβλίο
• Γλώσσα: English
• Έκδοση: Cham : Springer International Publishing : Imprint: Springer, 2015.
• Θέματα: Earth sciences.; History.; Historical geology.; Nature.; Environment.; Climate change.; Earth Sciences.; Historical Geology.; History of Science.; Popular Science in Nature and Environment.; Climate Change.

Dr. John K. DeLaski 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 his conclusion that a thick glacier had overtopped the highest hills, filled all of Penobscot Bay, extended far to the eas...

Πίνακας περιεχομένων:

• 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.