1. The basin formation was associated with contemporaneous acid volcanism.

2. Flash heat, volcanism, lightning, wind, and waves all renew the material world.

3. One very obvious form is the volcanism of island arcs and continental-margin orogens associated with plate convergence.

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4. Active volcanism at any one time is normally confined to a limited number of centres within a particular cluster.

5. Such processes may include impact cratering, volcanism, glacial and periglacial geomorphology.

6. Periods of volcanism are indicated by the presence of pyroclastic material in the formation.

7. Because of volcanism in the region, Lake Kivu accumulates carbon dioxide in its waters, and a major disturbance of the lake could result in a suffocating release of CO2.

8. The interconnection of volcanism and plutonism is the focal point in the study of magmatic activity, development and evolution from intrusion to eruption .

9. Once the volcanism has stopped as oxygen is adequate, animals will be awakened from the stasis.

10. Shaped both by volcanism and glaciers, Mt. Hood is part of the Cascade Range, a belt of volcanoes running through the Pacific Northwest.

11. If active volcanism were responsible then it would be a major discovery with important implications.

12. Many scientists still argue that volcanism is the more likely cause.

13. The modem phase of orogeny began in the Miocene with volcanism and the further emplacement of granite intrusions.

14. A number of other passive margins, however, show no sign of such major volcanism.

15. The divergent junction is characterized by earthquake activity and volcanism.

16. Given the present data, however, it is also possible that a purely geologic process, potentially involving volcanism or rust and not involving any life forms, is the methane creator.

17. Pengxian deposit and the Masongling Formationformation are products of island arc volcanism in convergent plate boundary.

18. Both kinds of plate boundary are associated with fault systems, earthquakes and volcanism.

19. These events are associated with changes in ocean circulation, solar radiation and volcanism.

20. The authors believed genesis of Gejiu tin-polymetallic deposits were involved in the basic volcanism of the Indo-Chinese epoch.

21. Kamchatka is one of the most active regions of volcanism in the world because it is located in the transitional zone where the Eurasian plate, North American plate and Pacific plates meet.

22. The deposit is a typical meso - epithermal magmatic gold deposit related to continental sub - volcanism.