Volcanoes and geological dynamics Charles Lyell

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lyell argued volcanoes vesuvius had built gradually.


before work of lyell, phenomena such earthquakes understood destruction brought. 1 of contributions lyell made in principles explain cause of earthquakes. lyell, in contrast focused on recent earthquakes (150 yrs), evidenced surface irregularities such faults, fissures, stratigraphic displacements , depressions.


lyell s work on volcanoes focused largely on vesuvius , etna, both of had earlier studied. conclusions supported gradual building of volcanoes, so-called backed up-building , opposed upheaval argument supported other geologists.








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