Eroded anticline, Wellcombe...
Eroded anticline, Wellcombe Mouth, Devon
Eroded anticline, Wellcombe...
Waves erode the cliffs at Sidari...
Waves erode the cliffs at Sidari , Corfu
Waves erode the cliffs at Sidari...
Limestone formation, in ex construction...
Limestone formation, in ex-construction shaft, Dudley Canal Tunnel. Formed in less than 250 years.
Limestone formation, in ex construction...
Rock formations on Beacon...
Rock formations on Beacon Hill are some of the oldest in the U.K.
Rock formations on Beacon...
Geothite and Siderite, Forest...
Geothite and Siderite, Forest of Dean
Geothite and Siderite, Forest...
Basalt formations are formed...
Basalt formations are formed when a thick layer molten basalt cools. When cooling is slow the columns are thicker.
Basalt formations are formed...
Hot mud pots are bluish grey...
Hot mud pots are bluish grey due to sulphur & iron compounds
Hot mud pots are bluish grey...
Hot water issues from an almost...
Hot water issues from an almost verticle shaft. It spills into a smaller pool and the dissolved silica accumulates to form a "blue pool"
Hot water issues from an almost...
Mineral rich hot springs...
Mineral rich hot springs create the sinter terraces around them. Hveravellir, Iceland.
Mineral rich hot springs...
Iridescent Floors Coal, South...
Iridescent Floors Coal, South Staffs coalfield
Iridescent Floors Coal, South...
From Runscar Scar to Ribblehead...
From Runscar Scar to Ribblehead Viaduct
From Runscar Scar to Ribblehead...
Limestone strata of a wave cut...
Limestone strata of a wave-cut platform on beach near Kilve
Limestone strata of a wave cut...
A fossil molar from a Woolly...
A fossil molar from a Woolly Mammoth called Mammuthus primigenius. This specimen is a well preserved large, complete molar tooth. The bone is dense and fossilised, with a fractured exterior. The bone is a brown/yellow colour. The tooth is blunt because it was used to chew vegetation. The individual crowns are clearly visible and white in colour. The centre of these are yellow and smooth. The one end of the specimen is pale in colour and smooth. AR/CB 05/05/2010
A fossil molar from a Woolly...
L´Orgues rock formation in the south...
L'Orgues rock formation in the south West of France
L'Orgues rock formation in the south...
For centuries sulfur was mined...
For centuries sulfur was mined and exported from Namafjall
For centuries sulfur was mined...