Letter to Sir Archibald Geikie from Thomas George Bonney

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Letter to Sir Archibald Geikie from Thomas George Bonney discussing the origin of basins in a glaciated landscape. He refutes the chemical erosion theory and supports the glacier erosion theory. He reports that he has studied the theory of glacial erosion on Alpine scenery in Wales, Scotland, Norway and Switzerland.

He asks Geikie if he knows of a rock collector who could get him authenticated specimens of, amongst other locations, Eigg pitchstone. He reports on a field trip to Cornwall with 14 students.

• Erosion
• Glaciation
• Glacial Landforms
• Glacial Theory

• Bonney | Thomas George | 1833-1923 | clergyman, mountaineer and geologist
• Geikie | Sir | Archibald | 1835-1924 | professor of geology, University of Edinburgh

• Eigg (Scotland)
• Norway
• Scotland
• Switzerland
• Wales