Milos Island, Greece: tour photos May 2018

Milos is one of the most scenic and geologically interesting islands of the Mediterranean. Here are some impressions from our geologic walking tour on Milos in May 2018.

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On the northern shore of Milos near Papafragos (Photo: Tom Pfeiffer) [info]
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Pumice breccia forming the cliffs (Photo: Tom Pfeiffer) [info]
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Church on the castle of Plaka (Photo: Tom Pfeiffer) [info]
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Part of the restored ancient Greek theatre (Photo: Tom Pfeiffer) [info]
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View of Tripiti village (Photo: Tom Pfeiffer) [info]
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Door painting (Photo: Tom Pfeiffer) [info]
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View from Plaka to Adamas town (Photo: Tom Pfeiffer) [info]
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Cushions of wild thyme (Photo: Tom Pfeiffer) [info]
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Sea caves at Papafrakos (Photo: Tom Pfeiffer) [info]
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Submarine tuff layers, some of which show impressive slumping structures, evidence of wet conditions during tectonic uplift. (Photo: Tom Pfeiffer)

Submarine tuff layers, some of which show impressive slumping structures, evidence of wet conditions... [info]
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Obsidian-bearing submarine pumice layer (Photo: Tom Pfeiffer) [info]
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Thinly bedded sandstones (Photo: Tom Pfeiffer) [info]
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Eroded remnants of an andesitic complex, showing prismatic lava formations. (Photo: Tom Pfeiffer) [info]
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Milos'northern coastline is characterized by numerous small bays (Photo: Tom Pfeiffer) [info]
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Small fishing harbour (Photo: Tom Pfeiffer) [info]
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Blue painted doors of boat houses (Photo: Tom Pfeiffer) [info]
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Sea cliffs (Photo: Tom Pfeiffer) [info]
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Passing a large sea cave from above (Photo: Tom Pfeiffer) [info]
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Golden sandy beach (Photo: Tom Pfeiffer) [info]
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Narrow winding channel carved out by sea erosion (Photo: Tom Pfeiffer) [info]
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Small erosion channels forming along lines of weakness in the pumice breccia (Photo: Tom Pfeiffer) [info]
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Approaching another small harbour (Photo: Tom Pfeiffer) [info]
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Pumice layer sitting on top of sandstone (Photo: Tom Pfeiffer) [info]
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Submarine erosion contacts between pumice lapilli and sandstone (Photo: Tom Pfeiffer) [info]
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View of the dented coastline east of Sarakiniko (Photo: Tom Pfeiffer) [info]
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Wavy surfaces of the finely grained pumice sandstone at Sarakiniko (Photo: Tom Pfeiffer) [info]
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Fossile sea shells abound in the sandstone (Photo: Tom Pfeiffer) [info]
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Detail of slumping structures (Photo: Tom Pfeiffer) [info]
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The white deposit erodes into smooth, often curved surfaces forming uncountable abstract shapes. (Photo: Tom Pfeiffer)

The white deposit erodes into smooth, often curved surfaces forming uncountable abstract shapes. (Ph... [info]
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Famous Sarakiniko bay (Photo: Tom Pfeiffer) [info]
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Two girls taking selfies (Photo: Tom Pfeiffer) [info]
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Wind and sea erosion shaped these rocks. (Photo: Tom Pfeiffer) [info]
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Group picture on a sea arch. (Photo: Tom Pfeiffer) [info]
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Layered pumice lapilli beds. (Photo: Tom Pfeiffer) [info]
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Daryl investigating a large fissure-like vein of fine-grained sandstone cutting through the pumice breccia. (Photo: Tom Pfeiffer)

Daryl investigating a large fissure-like vein of fine-grained sandstone cutting through the pumice b... [info]
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Sea cliff near Sarakiniko (Photo: Tom Pfeiffer) [info]
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Sarakiniko's cliffs (Photo: Tom Pfeiffer) [info]
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Erosion shapes (Photo: Tom Pfeiffer) [info]
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$Typical surface of the pumice breccia deposit near Sarakiniko. Only few plants manage to find space for their roots in tiny fractures or protected corners. (Photo: Tom Pfeiffer)$

Typical surface of the pumice breccia deposit near Sarakiniko. Only few plants manage to find space ... [info]
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Natural steps formed by erosion. (Photo: Tom Pfeiffer) [info]
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Sea and wind sculptured the shores. (Photo: Tom Pfeiffer) [info]
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Detail of the base of a submarine pumice fall deposit; note how individual pumice clasts at the base have sunken into the underlying fine-grained deposit. (Photo: Tom Pfeiffer)

Detail of the base of a submarine pumice fall deposit; note how individual pumice clasts at the base... [info]
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Approaching Mandraki (Photo: Tom Pfeiffer) [info]
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Bizarre erosion structures. (Photo: Tom Pfeiffer) [info]
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Thinly-bedded pumicious sandstone (Photo: Tom Pfeiffer) [info]
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Deformation structures (Photo: Tom Pfeiffer) [info]
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Numerous small-scale fault structures evidence of vertical movements (Photo: Tom Pfeiffer) [info]
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Coastline near Mandraki (Photo: Tom Pfeiffer) [info]
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Veins of hydrothermal alteration. (Photo: Tom Pfeiffer) [info]
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Hydrothermal altered parts of the deposit add reddish colors as if a painter had been at work. (Photo: Tom Pfeiffer)

Hydrothermal altered parts of the deposit add reddish colors as if a painter had been at work. (Phot... [info]
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Mandraki fishing harbour. (Photo: Tom Pfeiffer) [info]
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A friendly cat approaches Marina (Photo: Tom Pfeiffer) [info]
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Tobias at work (Photo: Tom Pfeiffer) [info]
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Reddish and white rocks dominate the mountains of the eastern part of the island, here at Paleorema valley. (Photo: Tom Pfeiffer)

Reddish and white rocks dominate the mountains of the eastern part of the island, here at Paleorema ... [info]
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The valley was site of sulphur extraction as many mine shafts in the sides of the valley still show. (Photo: Tom Pfeiffer)

The valley was site of sulphur extraction as many mine shafts in the sides of the valley still show.... [info]
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The processing plant of the Paleorema sulphur mine, at the exit of the valley. (Photo: Tom Pfeiffer) [info]
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View of the eastern shore with colorful hydrothermally altered rocks (Photo: Tom Pfeiffer) [info]
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Red altered volcanic rocks (Photo: Tom Pfeiffer) [info]
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Simple rooms and shelters for the workers, presumably during the early stages of mine operation, were built as caves into the sides of the valley. (Photo: Tom Pfeiffer)

Simple rooms and shelters for the workers, presumably during the early stages of mine operation, wer... [info]
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Rusting mine cart (Photo: Tom Pfeiffer) [info]
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The main office building during the later stages of operation in the 1940s until the end of operation in 1958. (Photo: Tom Pfeiffer)

The main office building during the later stages of operation in the 1940s until the end of operatio... [info]
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Remnants of kilns seen here from above, which were used in the early stages of the mine; sulfur was extracted by heating the latter inside these chambers and melting it out to be collected later at the bottom. (Photo: Tom Pfeiffer)

Remnants of kilns seen here from above, which were used in the early stages of the mine; sulfur was ... [info]
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Rusting old winch, driving the vertical incline to transport ore to the upper storage facilities of the younger processing plant. (Photo: Tom Pfeiffer)

Rusting old winch, driving the vertical incline to transport ore to the upper storage facilities of ... [info]
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Old transport band probably used to transport crushed ore to an oven (found in the right compartment inside the brick walls) (Photo: Tom Pfeiffer)

Old transport band probably used to transport crushed ore to an oven (found in the right compartment... [info]
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Rusting machinery in the main boiler room. (Photo: Tom Pfeiffer) [info]
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Door of the main oil-powered boiler. (Photo: Tom Pfeiffer) [info]
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Remnants of electrical installation and signs of internal reconstructions inside the processing plant. (Photo: Tom Pfeiffer)

Remnants of electrical installation and signs of internal reconstructions inside the processing plan... [info]
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View of the uppermost sulphur-ore silo in the top eastern wing of the plant, used during the latest stage of operation. (Photo: Tom Pfeiffer)

View of the uppermost sulphur-ore silo in the top eastern wing of the plant, used during the latest ... [info]
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Chimney from the main boiler; a railway track was nearby to allow bringing ores directly to the silo shown in the previous picture. (Photo: Tom Pfeiffer)

Chimney from the main boiler; a railway track was nearby to allow bringing ores directly to the silo... [info]
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Sieving (?) machinery and vertical elevator in the lower middle section of the processing plant, probably used during an intermediate stage of mine operation. (Photo: Tom Pfeiffer)

Sieving (?) machinery and vertical elevator in the lower middle section of the processing plant, pro... [info]
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View of the upper two thirds of the processing plant with its 4 vertical units - the vertical incline on the left, a sequence of vertical silos leading to a sieving room shown before, from where a vertical elevator in turn leads to the top silo in the right section; from there, ore was processed in sieving devices and a pressure boiler found in the rooms below of the right wing. (Photo: Tom Pfeiffer)

View of the upper two thirds of the processing plant with its 4 vertical units - the vertical inclin... [info]
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Fumarolic altered rocks at the beach of Paleochori. (Photo: Tom Pfeiffer) [info]
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Altered contact between chemically eroded shists, part of the non-volcanic basement and overlying breccia. (Photo: Tom Pfeiffer)

Altered contact between chemically eroded shists, part of the non-volcanic basement and overlying br... [info]
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Copper-bearing green fumarolic minerals. (Photo: Tom Pfeiffer) [info]
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Altered deposits (Photo: Tom Pfeiffer) [info]
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Tobias at work photographing the colorful deposits (Photo: Tom Pfeiffer) [info]
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Green copper minerals (Photo: Tom Pfeiffer) [info]
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Paleochori beach (Photo: Tom Pfeiffer) [info]
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The contact of the volcanic layers of Milos above its the metamorphic basement lies right at the beach. (Photo: Tom Pfeiffer)

The contact of the volcanic layers of Milos above its the metamorphic basement lies right at the bea... [info]
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Some of our group turn to other pleasures than examining contacts of rocks... (Photo: Tom Pfeiffer) [info]
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View along the beach. (Photo: Tom Pfeiffer) [info]
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The altered rocks produce a very nice golden sand. (Photo: Tom Pfeiffer) [info]
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Coarse-grained sand and small pebbles close-up (Photo: Tom Pfeiffer) [info]
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Near the beach, on calm days, one can find small hot sources at the sea floor. (Photo: Tom Pfeiffer) [info]
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While others enjoy the water and beach as such, the "geologist group" is still discussing effects of hydrothermal and fumarolic alteration. (Photo: Tom Pfeiffer)

While others enjoy the water and beach as such, the "geologist group" is still discussing effects of... [info]
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A land house above Agia Kiriaki bay (Photo: Tom Pfeiffer) [info]
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Agia Kiriaki bay (Photo: Tom Pfeiffer) [info]
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Tobias discovered a less-known fumarole field. (Photo: Tom Pfeiffer) [info]
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Sulphur covers part of the area, where volcanic gasses escape from the ground and killed all vegetation. (Photo: Tom Pfeiffer)

Sulphur covers part of the area, where volcanic gasses escape from the ground and killed all vegetat... [info]
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A goat herd passes nearby (Photo: Tom Pfeiffer) [info]
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Remnants of Roman amphorae embedded in thick lahar deposits dated to approx. 100-200 AD. (Photo: Tom Pfeiffer)

Remnants of Roman amphorae embedded in thick lahar deposits dated to approx. 100-200 AD. (Photo: Tom... [info]
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Milos is rightly known for its variety of perfect beaches. (Photo: Tom Pfeiffer) [info]
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Agia Kiriaki is certainly one of the best in the category of white sand. (Photo: Tom Pfeiffer) [info]
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Coarse white sand close up. (Photo: Tom Pfeiffer) [info]
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The white beach emphasizes the greenish blue of the crystal-clear water. (Photo: Tom Pfeiffer) [info]
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This area is covered with pumice air-fall and surge deposits from the youngest sub-aerial volcanic activity at Milos, which occurred near Tsigrado about 84.000 years ago. (Photo: Tom Pfeiffer)

This area is covered with pumice air-fall and surge deposits from the youngest sub-aerial volcanic a... [info]
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Tsigrado crater rim (Photo: Tom Pfeiffer) [info]
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View of the 1 km diameter crater left by a series of explosive eruptions. (Photo: Tom Pfeiffer) [info]
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Thinly bedded pumice deposits along the road. (Photo: Tom Pfeiffer) [info]
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Beautiful hydrothermal alteration has left its drawings here. (Photo: Tom Pfeiffer) [info]
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Kaoline which had formed as result of fumarolic and hydrothermal alteration was extracted from a small mine at the Kalamo lava dome. (Photo: Tom Pfeiffer)

Kaoline which had formed as result of fumarolic and hydrothermal alteration was extracted from a sma... [info]
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Top of the Kalamo lava dome, a young rhyolitic complex probably formed at the same time as the Tsigrado crater. (Photo: Tom Pfeiffer)

Top of the Kalamo lava dome, a young rhyolitic complex probably formed at the same time as the Tsigr... [info]
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Tpyical spine structures can still be recognized at the lava dome. (Photo: Tom Pfeiffer) [info]
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View towards the north from the dome (Photo: Tom Pfeiffer) [info]
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Very active fumaroles can be found in various parts of the dome. (Photo: Tom Pfeiffer) [info]
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Fissure containing liquid sulphur droplets. (Photo: Tom Pfeiffer) [info]
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Beautiful monoclinic sulphur needles at a fumarole. (Photo: Tom Pfeiffer) [info]
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Hiking back towards Agia Kiriaki (Photo: Tom Pfeiffer) [info]
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Barley field (Photo: Tom Pfeiffer) [info]
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Olive tree in the warm evening light (Photo: Tom Pfeiffer) [info]
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Fishing boats and sailing yachts (Photo: Tom Pfeiffer) [info]
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The bay of Milos is one of the Mediterranean's best and most protected natural harbours. (Photo: Tom Pfeiffer)

The bay of Milos is one of the Mediterranean's best and most protected natural harbours. (Photo: Tom... [info]
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Trail leading up to Profitis Ilias (Photo: Tom Pfeiffer) [info]
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The summit of the island comes into sight. (Photo: Tom Pfeiffer) [info]
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View from the summit towards the western part of Milos, where there are no villages and almost no roads. (Photo: Tom Pfeiffer)

View from the summit towards the western part of Milos, where there are no villages and almost no ro... [info]
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A small chapel is near the summit of Profitis Ilias. (Photo: Tom Pfeiffer) [info]
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Descending back to the starting point of our short hike to the summit. (Photo: Tom Pfeiffer) [info]
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Marina standing in the upper parts of the abandoned open baryte mine near Cape Vani. (Photo: Tom Pfeiffer)

Marina standing in the upper parts of the abandoned open baryte mine near Cape Vani. (Photo: Tom Pfe... [info]
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Old mine gallery (Photo: Tom Pfeiffer) [info]
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Colorful ore and fossil bearing sandstone (Photo: Tom Pfeiffer) [info]
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Detail of the colored sandstones (Photo: Tom Pfeiffer) [info]
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Greenish and yellow oxidation colors (Photo: Tom Pfeiffer) [info]
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The protected Achivadolimni lake (Photo: Tom Pfeiffer) [info]
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And the white-sand beach of the same name (Achivadolimni). (Photo: Tom Pfeiffer) [info]
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Milos Island, Greece: tour photos May 2018

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