In 1875, one of the most eminent geologists of the past century, Prof. E. Suess of Vienna University, introduced the idea of the biosphere as a specific, life-saturated envelope of the Earth’s crust.172 Despite the importance of life in the structure of the Earth’s crust, this idea has only slowly penetrated scientific thinking, and even today is not much appreciated. This idea, focusing on the ubiquity of life and the continuity of its manifestations, represented a new empirical generalization of which Suess could not have seen the full implications. Only as the result of recent scientific discoveries is this beginning clear.
KeywordsChemical Element Oceanic Crust Basic Rock Lower Mantle Sima Region
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