The Volcanic History

The Basal Volcanic Complex (ca. 160,000 to 100,000 years)
The Early Caldera Stratovolcano (ca. 100,000 to 30,000 years)
Lakki Pyroclastics and Avlaki Complex
Lacustrine and Pyroclastic Formations
The Melisseri - Evangelistra - Afionas Complex
The Emborios Complex
The Ellinika - Kyra - Lies Pyroclastic Complex
The Argos - Stavros Complex
The Main Caldera Formation (30,000 to 15,000 years ?)
The First Caldera Phase (?30,000 to 20,000 years ?)
The Second Caldera Phase (20,000 to <15,000 years ?)

The Argos - Stavros Complex

This complex unit is made up of red, andesitic spatter cones located around the southern rim of the caldera and are restricted to this particular stratigraphic horizon. A scoria cone is well exposed directly under the Monastery of Stavros.

The dark-grey rhyolitic Argos lava can be found in the form of lava flows, domes and subsequent block and ash flows. The thickest sections can be found in the southern segment of the caldera, where a neck of Argos lava crops out.

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