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Thomas Jefferson’s Patriotic Monsters

Source info:

Author:
Date: 2014-05-15 21:26:05
Blog: History of Geology
URL: http://blogs.scientificamerican.com/history-of-geology/2014/05/15/thomas-jeffersons-patriotic-monsters/

Summary:

In the late 18th century earth-sciences experienced a revolution. The principles of modern rock classification were introduced and sediments subdivided by the content of embedded fossils. Animals of the past apparently differed from modern ones in their abundance, diversity, shape and some organisms were completely unknown to contemporary scholars. This observations had at first an [...]

Content analysis:

Keywords:

abundance, Animals, contemporary scholars, content, diversity, earth-sciences, Evolution, fossils, late 18th century, modern ones, modern rock classification, observations, organisms, Patriotic Monsters, principles, revolution, sediments, shape, Thomas Jefferson

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