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A spectacular outcrop of tuffs dissected by visible faults near the lighthouse (Photo: Tom Pfeiffer)
A spectacular outcrop of tuffs dissected by visible faults near the lighthouse (Photo: Tom Pfeiffer)
File: santorini_g3202.jpg | 1831 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
Thick pumice and ash layers from various volcanic eruptions exposed in the southern caldera walls of Santorini (Photo: Tom Pfeiffer)
Thick pumice and ash layers from various volcanic eruptions exposed in the southern caldera walls of Santorini (Photo: Tom Pfeiffer)
File: santorini_g3168.jpg | 1594 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
The third phase ash-flow deposit of the Minoan eruption, in places several tens of meters thick. (Photo: Tom Pfeiffer)
The third phase ash-flow deposit of the Minoan eruption, in places several tens of meters thick. (Photo: Tom Pfeiffer)
File: santorini_g3205.jpg | 1533 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
The thick ash flow deposits left by the Minoan eruption (Photo: Tom Pfeiffer)
The thick ash flow deposits left by the Minoan eruption (Photo: Tom Pfeiffer)
File: santorini_g3204.jpg | 1466 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
Climbing the impressive caldera cliffs with its many tuff layers exposed along a little trail (Photo: Tom Pfeiffer)
Climbing the impressive caldera cliffs with its many tuff layers exposed along a little trail (Photo: Tom Pfeiffer)
File: santorini_g3165.jpg | 492 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Photo: Tom Pfeiffer)
The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Photo: Tom Pfeiffer)
File: santorini_d20417.jpg | 3083 Hits
Copyright: Tom Pfeiffer
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Image found in Santorini "Study abroad" field course: May 07
... and in: Photo of the Day
A spectacular geologic outcrop at the western Yasur caldera rim exposes a 3-4 meter thick, solid red deposit which in fact probably is a deposit from a spatter-rich pyroclastic flow, welded so well together that it appears like a lava flow. A fine-grained base layer and loose or poorly welded spatter at the top can be seen as well.
Btw, very similar deposits can be observed on Santorini (e.g. "Upper Scoria 2") where they have become subjects of numerous studies and are now famous as perfect examples for this unusual (and previously unrecognized) type of pyroclastic flows.  (Photo: Tom Pfeiffer)
A spectacular geologic outcrop at the western Yasur caldera rim exposes a 3-4 meter thick, solid red deposit which in fact probably is a deposit from a spatter-rich pyroc...
File: vanuatu_g15370.jpg | 1600 Hits | + 2 similar images
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: colors
Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west. (Photo: Tom Pfeiffer)
Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west. (Photo: Tom Pfeiffer)
File: ambrym_i0289.jpg | 1891 Hits | + 21 similar images
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: Ambrym caldera
... and in: Photo of the Day
The impressive pumice cliff at the south coast (Santorini Island) (Photo: Tom Pfeiffer)
The impressive pumice cliff at the south coast (Santorini Island) (Photo: Tom Pfeiffer)
File: santorini_g2352.jpg | 1456 Hits
Copyright: Tom Pfeiffer
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
The old soil where the trees grew is visible here. Probably, it formed by deposits of collapse of the Rakata island after the 1883 eruption. The sediment platform it belongs to is now being eroded by wave action. (Photo: Tom Pfeiffer)
The old soil where the trees grew is visible here. Probably, it formed by deposits of collapse of the Rakata island after the 1883 eruption. The sediment platform it belo...
File: krakatau_g4877.jpg | 2303 Hits
Copyright: Tom Pfeiffer
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Image found in Krakatau revisited: expedition July 2008 photos
Ash-spewing Tavurvur volcano and the ash-covered Bay of Rabaul, Papua New Guinea  (Photo: Paul Nicholson)
Ash-spewing Tavurvur volcano and the ash-covered Bay of Rabaul, Papua New Guinea (Photo: Paul Nicholson)
File: DSC_2452_ed.jpg | 4550 Hits
Copyright: Paul Nicholson
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Image found in Paul Nicholson's photos
... and in: Photo of the Day
View over the ash plain towards the southern rim of the caldera. (Photo: Tom Pfeiffer)
View over the ash plain towards the southern rim of the caldera. (Photo: Tom Pfeiffer)
File: ambrym_i0250.jpg | 1834 Hits | + 7 similar images
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: Ambrym caldera
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