Chapter 2: Geological and tectonic setting of Santorini
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Abstract
Santorini lies in an area of complex extensional and subduction-related tectonics in a continental environment (Jackson 1994). The region has had a long geological history with large changes occurring during the Alpine orogeny and in the Late Tertiary as a consequence of post-collisional extension and major re-adjustments of the plate boundaries. The Aegean region is thought to be moving towards the southwest where the Aegean microplate overrides the Eastern Mediterranean sea floor. The collision has created the Hellenic trench to the south of Crete where the eastern Mediterranean sea floor is subducting beneath the Aegean Sea at 5-6 cm a-1. Santorini is one of several Quaternary volcanoes that define the present day active volcanic arc related to this subduction zone (Fig. 2.1). We here provide a synopsis of the broader geological and tectonic context of Santorini within the Aegean area. The geology, isotope geochemistry and geochronology of the crystalline basement of the southern Aegean is of particular relevance as it is likely that the Santorini magmas have interacted extensively with the continental crust. Geochemical evidence presented in Chapters 6 and 7 confirms this prediction. We also give a synopsis of the Quaternary Aegean Island Arc, of which Santorini is the most active centre.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Chapter 2: Geological and tectonic setting of Santorini |
| Series title | Geological Society, London, Memoirs |
| DOI | 10.1144/GSL.MEM.1999.019.01.02 |
| Volume | 19 |
| Issue | 1 |
| Year Published | 1999 |
| Language | English |
| Publisher | Geological Society of London |
| Description | 8 p. |
| First page | 5 |
| Last page | 12 |
| Country | Greece |
| Other Geospatial | Santorini |
| Google Analytic Metrics | Metrics page |