Sentence Examples


  • During the Tertiary period the great volcanoes of the Andes were formed, and there were smaller eruptions in the Sierras.
  • In France, as in Great Britain, volcanic eruptions occurred during several of the Palaeozoic periods, but during the Mesozoic era the // /
  • The first eruptions piled up huge domes of lavas rich in soda, including the geburite-dacites and sOlvsbergites of Mount Macedon in Victoria, and the kenyte and tephrite domes of Dunedin, in New Zealand.
  • Several eruptions are recorded in Roman times.
  • The most remarkable feature in the geology of Elba is the extent of the granitic and ophiolitic eruptions of the Tertiary period.

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