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Kathleen Lohff Anne Arundel Community College

Incessant Demolition & Reproduction : Charles Lyell and the Role of the Niagara Region in Continental Formation. Kathleen Lohff Anne Arundel Community College. Charles and Mary Lyell. John Lowell, Jr. (1799-1836).

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Kathleen Lohff Anne Arundel Community College

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  1. Incessant Demolition & Reproduction: Charles Lyell and the Role of the Niagara Region in Continental Formation Kathleen Lohff Anne Arundel Community College

  2. Charles and Mary Lyell

  3. John Lowell, Jr. (1799-1836) Father Francis Cabot Lowell founded the Lowell Mill and Boston Manufacturing Company. Lowell family responsible for helping to bring the Industrial Revolution to America

  4. Lecture III Upheaval and Subsidence

  5. Upheaval and Subsidence applied to Niagara--1845 • Denudation of older stratified rock (remain horizontal and undisturbed): Nos. 1-10 inclusive • Beds slowly raised—cliffs form at successive heights: No 10 and 8 • Entire region submerged • Country buried under sand, gravel, and erratic blocks • Re-emergence slow and gradual—ridges and terraces are interruptions • Falls originate at Queenstown—uppermost limestone and shale exposed: No 7 and 8

  6. “To see in perfection the oldest monuments of the earth’s history,” we must look to the New WorldCharles Lyell 1842 Courtesy Library of Congress c. 1845

  7. Lecture VI Fossil Foot Print

  8. The Silurian

  9. William Buckland’s Trilobites Mineralogy and Geology, Plate 46

  10. Trilobite Calymene platys Serolis Septemcarinata Courtesy of National Museum of Natural History—image collection Courtesy of Smithsonian Institution-- Department of Paleobiology

  11. James Hall (1811-1898) Ebenezer Emmons (1799-1863)

  12. Lecture VII The Recession of Niagara Falls

  13. Niagara Escarpment

  14. Ancient Sea Cliffs Val diNoto, Italy Principles of Geology Volume III Niagara Courtesy of Library of Congress c.1900

  15. Goat Island

  16. Similar to Goat Island Fossils Geology of New York (1843), Plate VI By James Hall Organic Remains of the Clinton Group

  17. Recession of the Falls Travels in America

  18. Front-piece to Travels in America

  19. Lecture VIII Boulders and Icebergs

  20. Niagara Boulders

  21. Louis Agassiz and Glacial Theory Studies on Glaciers preceded by the Discourse of Neuchâtel 1807-1873

  22. Lyell’s Iceberg Theory

  23. Long Island Boulders

  24. Lyell’s Legacy Charles Darwin’s Copy of Principles of Geology

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