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Books Books 1 - 7 of 7 on ... escarpment. If any glacier could have scooped out the basins of Lake Ontario,....  
" ... escarpment. If any glacier could have scooped out the basins of Lake Ontario, it left the summit edges of the Niagara escarpment as sharp as possible, and not planed off. Also, if it excavated the deep trough of the lake, it left the summit of soft... "
Proceedings of the American Philosophical Society Held at Philadelphia for ... - Page 338
1882
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1882
...sharp as possible, and not planed off. Also, if it excavated the deep trough of the lake, it left the summit of soft Medina shales over the harder Hudson...the face of the escarpment (Niagara) is less abrupt than south of the lake, but even there, not more than 50 feet of drift have been left at its foot,...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1882
...sharp as possible, and not planed off. Also, if it excavated the deep trough of the lake, it left the summit of soft Medina shales over the harder Hudson...the face of the escarpment (Niagara) is less abrupt than south of the lake, but even there, not more than 50 feet of drift have heen left at its foot,...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1882
...harder Hudson river rocks of the submerged escarpment, beneath which are Utica shales. From Dnndas to the Georgian Bay the face of the escarpment (Niagara) is less abrupt than south of the lake, but even there, not more than 50 feet of drift have been left at its foot,...
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The Canadian Naturalist and Quarterly Journal of Science: With ..., Volume 10

Natural history - 1883
...trough of the lake, it left a summit of soft Medina shales over the harder Hudson River rocks of the escarpment, beneath which are Utica shales. From Dundas...(excepting in channels now buried.) The observations of Professor HY Hinde, on the coast of Labradore, are here interesting. He has shown that pan-ice, at...
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The Canadian Naturalist and Quarterly Journal of Science: With ..., Volume 10

Natural history - 1883
...trough of the lake, it left a summit of soft Medina shales over the harder Hudson River rocks of the escarpment, beneath which are Utica shales. From Dundas...Georgian bay the face of the escarpment (Niagara) is lest, abrupt, but even here, there has not been left more than 50 feet of drift at its foot, and this...
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the canadian naturalist & quarterly journal of scince vol. 10

j.t. donald, m.a. - 1883
...trough of the lake, it left a summit of soft Medina shales over the harder Hudson River rocks of the escarpment, beneath which are Utica shales. From Dundas to the Georgian bay the fiice of the escarpment (Niagara) is less abrupt, but even here, there has not been left more than...
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Proceedings of the American Association for the Advancement of Science

American Association for the Advancement of Science - Science - 1882
...sharp as possible, and not planed off. Also, if it excavated the deep trough of the lake, it left the summit of soft Medina shales over the harder Hudson...submerged escarpment, beneath which are Utica shales. From Dnndas to the Georgian Bay the face of the escarpment (Niagara) is less abrupt than south of the lake,...
Full view - About this book




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