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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 | 1817 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 | 1579 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 | 1525 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 contact between the metamorphic basement and volcanic rocks (Photo: Tom Pfeiffer)
The contact between the metamorphic basement and volcanic rocks (Photo: Tom Pfeiffer)
File: santorini_g14199.jpg | 4745 Hits | + 2 similar images
Copyright: Tom Pfeiffer
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Image found in Santorini May 09: Fascination Volcano tour photos
... and in: Photo of the Day
... and in: Photo of the Week
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 | 1584 Hits | + 2 similar images
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: colors
Large ash- and pumice pyroclastic flow deposits witness from the giant eruption of Lake Atitlán ca. 74.000 years ago. (Photo: Tom Pfeiffer)
Large ash- and pumice pyroclastic flow deposits witness from the giant eruption of Lake Atitlán ca. 74.000 years ago. (Photo: Tom Pfeiffer)
File: gua_i20136.jpg | 1277 Hits | + 3 similar images
Copyright: Tom Pfeiffer
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Image found in Guatemala Dec 2009: expedition photos
... and in: Photo of the Day
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 | 1881 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
Numerous hollows many of which still contain charcoal are present in certain sections of the ash flow. When the pyroclastic avalanche flowed over a forest, many trunks and branches of trees were incorporated into the flow and their shape preserved in the deposit. (Photo: Tom Pfeiffer)
Numerous hollows many of which still contain charcoal are present in certain sections of the ash flow. When the pyroclastic avalanche flowed over a forest, many trunks an...
File: gua_i20153.jpg | 991 Hits | + 5 similar images
Copyright: Tom Pfeiffer
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Image found in Guatemala Dec 2009: expedition photos
... and in: Photo of the Day
Yashmin explaining the charred wood found in the ignimbrite (ash flow) deposit. (Photo: Tom Pfeiffer)
Yashmin explaining the charred wood found in the ignimbrite (ash flow) deposit. (Photo: Tom Pfeiffer)
File: gua_i20148.jpg | 2905 Hits
Copyright: Tom Pfeiffer
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Image found in Guatemala Dec 2009: expedition photos
Inside the Ambrym caldera (Photo: Yashmin Chebli)
Inside the Ambrym caldera (Photo: Yashmin Chebli)
File: interieur.jpg | 3090 Hits
Copyright: Yashmin Chebli
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Image found in Ambrym volcano - the lava lakes of Marum and Benbow
... and in: Ambrym volcano tour Sep 2010 photos
... and in: Photo of the Day
The volcanic ash layers covering the flat caldera floor, carved by erosion. (Photo: Tom Pfeiffer)
The volcanic ash layers covering the flat caldera floor, carved by erosion. (Photo: Tom Pfeiffer)
File: ambrym_i0052.jpg | 2083 Hits | + 14 similar images
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: excursion to Marum crater
... and in: Photo of the Day
On the way to Marum, we follow a large valley cutting through undulated older ash deposits.  (Photo: Tom Pfeiffer)
On the way to Marum, we follow a large valley cutting through undulated older ash deposits. (Photo: Tom Pfeiffer)
File: ambrym_i0055.jpg | 2385 Hits | + 1 similar image
Copyright: Tom Pfeiffer
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Image found in Vanuatu May 2009: excursion to Marum crater
... and in: Vanuatu - volcanoes in the South Sea: tour photos
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