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Nicolaus
Steno one of the great scientist of his age formalized da
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Vinci’s
notions of sedimentation in his treatise the Prodromus,
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set forth the
principle; written in 1668,, "The law of
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superposition". Superposition argues that sedimentary
rock
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provides
a history of ancient times as the upper layers are
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younger
and the lower layers are older. He
also noted that
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although
many sedimentary rock formations were found vertical
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that
they were deposited horizontally, the law of original
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horizontality. However, like most of the great
scientific minds of
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Europe
he was greatly influence by Biblical teachings and
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interpreted
his conclusion that in Tuscany, where he carried out
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his
studies, there had been two great floods, one occurring during
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the
second day of creation and the other during the Great Flood
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