- geology |
- references |
ERUPTION SUMMARY OF SANTORINI
Event | Magma composition | Dating | |
(note: Plinian eruptions in bold) |
|||
|
|||
dacite |
197 BC to 1950 [1] |
||
! Caldera collapse 4 ! |
|||
rhyodacite, andesite |
3,6 ka [2] |
||
! Caldera collapse 3 ! |
|||
Cape Riva eruption |
rhyodacite, andesite |
21 ka [3] |
|
Formation of Therasia lava shield |
|
rhyodacite, andesite |
|
Eruption of the andesites of Oia |
andesite |
||
Upper Scoriae 2 eruption |
|
andesite |
40 ka [4] |
Construction of Skaros lava shield |
basalt-andesite |
||
! Caldera collapse 2 ! |
|||
Upper Scoriae 1 eruption |
andesite |
60-40 ka [4] |
|
Vourvoulos eruption |
andesite, dacite |
||
Megalo Vouno and Kokkino Vouno cinder cones |
andesite |
50-70 ka [5] |
|
Aspronisi tuff ring (also Kolumbus tuff ring ?) |
|||
Middle Pumice eruption |
dacite, andesite |
60 ka [4] |
|
Cape Thera eruption |
andesite |
||
Construction of Simandiri lava shield |
andesite |
172+-33 ka [5] |
|
! Caldera collapse 1 ! |
|||
Lower Pumice 2 eruption |
rhyodacite, andesite |
180 [6] |
|
Lower Pumice 1 eruption |
rhyodacite, andesite |
203+-24 ka [5] |
|
Cape Therma 3 eruption |
andesite |
||
Extrusion of rhyodacites of Cape Alonaki + NE Thera |
rhyodacite |
257+- 36 ka; 224+-5 ka [5] |
|
Cape Therma 2 eruption |
rhyodacite |
||
Cape Therma 1 eruption |
andesite |
||
Extrusion of the andesites of Cape Alai |
andesite |
364+-85 ka; 229+- 85 ka[5] |
|
Balos, Kokkinopetra and Mavrorachidi cinder cones |
basalt, andesite |
344+- 25 ka [5] |
|
Eruption of lavas of Peristeria 3 |
basalt, andesite |
308-480 ka [5] |
|
Extrusion of domes and flows of Peristeria 2 |
andesite |
496+-16 ka [5] |
|
Construction of Peristeria 1 core complex |
andesite |
528+-8 ka [5] |
|
Eruption of early submarine centres of Akrotiri |
rhyodacite |
ca. 2,000-600 [4,5] |
|
|
|||
[1] Historic records |
|||
[2] Mean of radiocarbon ages on plant remains in tuffs (Friedrich and others, 1990) |
|||
[3] Mean of radiocarbon ages on plant remains in tuffs (Pichler and Friedrich, 1976) corrected using the data of Bard and others (1990) |
|||
[4] Friedrich (2000) |
|||
[5] Ar 39-40 data from Druitt and Sparks (1996) |
|||
[6] Constrained by age of Lower Pumice 1 and Simandiri Shield |
Copyright:
Before using text, graphics and photos of this page elsewhere please contact Tom Pfeiffer.
© Tom Pfeiffer, page last modified on 1 April 2004.