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25 relations: Abercraf, Beacons Way, Brecon Beacons National Park, Carboniferous, Carboniferous Limestone, Countryside Council for Wales, Fforest Fawr Geopark, Foundered strata, Glacial striation, Ice age, Karst, Limestone pavement, Marros Group, Millstone Grit, Namurian, National nature reserve (United Kingdom), Ogof Ffynnon Ddu, Penwyllt, Powys, Refractory, Right-of-way (transportation), Silicon dioxide, Sinkhole, Wales, Ystradfellte.
Abercraf
Abercraf (Abercrave) is a village within the historic boundaries of the county of Brecknockshire, Wales, administered as part of the unitary authority of Powys.
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Beacons Way
The Beacons Way is a waymarked long distance footpath in the Brecon Beacons National Park, Wales.
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Brecon Beacons National Park
The Brecon Beacons National Park (Parc Cenedlaethol Bannau Brycheiniog) is one of three national parks in Wales, and is centred on the Brecon Beacons range of hills in southern Wales.
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Carboniferous
The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.
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Carboniferous Limestone
Carboniferous Limestone is a collective term for the succession of limestones occurring widely throughout Great Britain and Ireland that were deposited during the Dinantian Epoch of the Carboniferous Period.
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Countryside Council for Wales
The Countryside Council for Wales (CCW; Cyngor Cefn Gwlad Cymru (CCGC)), a Welsh Government Sponsored Body, was, until 31 March 2013, the wildlife conservation, landscape and countryside access authority for Wales.
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Fforest Fawr Geopark
Fforest Fawr Geopark was the first Geopark to be designated in Wales having gained membership of both the European Geoparks Network and the UNESCO-assisted Global Network of National Geoparks in October 2005.
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Foundered strata
Foundered strata is a term used by the British Geological Survey in its maps and geological memoirs, and indeed by other authors, to describe rock strata which have collapsed due, for example, to the dissolution of underlying strata.
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Glacial striation
Glacial striations are scratches or gouges cut into bedrock by glacial abrasion.
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Ice age
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.
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Karst
Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum.
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Limestone pavement
A limestone pavement is a natural karst landform consisting of a flat, incised surface of exposed limestone that resembles an artificial pavement.
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Marros Group
The Marros Group is the name given to a suite of rocks of Namurian age laid down during the Carboniferous Period in South Wales.
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Millstone Grit
Millstone Grit is the name given to any of a number of coarse-grained sandstones of Carboniferous age which occur in the British Isles.
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Namurian
The Namurian is a stage in the regional stratigraphy of northwest Europe with an age between roughly 326 and 313 Ma (million years ago).
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National nature reserve (United Kingdom)
Some statutory nature reserves are designated by national bodies in the United Kingdom, and are known as national nature reserves.
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Ogof Ffynnon Ddu
Ogof Ffynnon Ddu (Welsh for Cave of the Black Spring), also known informally as OFD, is a cave under a hillside in the area surrounding Penwyllt in the Upper Swansea Valley in South Wales.
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Penwyllt
Penwyllt (Welsh: "Wild Headland") is a hamlet located in the upper Swansea Valley in Powys, Wales.
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Powys
Powys is a principal area, a county and one of the preserved counties of Wales.
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Refractory
A refractory mineral is a mineral that is resistant to decomposition by heat, pressure, or chemical attack.
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Right-of-way (transportation)
A right-of-way (ROW) is a right to make a way over a piece of land, usually to and from another piece of land.
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Silicon dioxide
Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.
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Sinkhole
A sinkhole, also known as a cenote, sink, sink-hole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer.
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Wales
Wales (Cymru) is a country that is part of the United Kingdom and the island of Great Britain.
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Ystradfellte
Ystradfellte is a small village in southern Powys, Wales, in the Fforest Fawr area of the Brecon Beacons National Park.
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References
[1] https://en.wikipedia.org/wiki/Carreg_Cadno
