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Siccar Point

 

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Siccar Point


 
 



Siccar Point is a rocky promontoryHeadlands and bays

A headland is an area of land adjacent to water on three sides....
 in the county of BerwickshireBerwickshire

Berwickshire or the County of Berwick is a registration county, a committee area of the Scottish Borders Council, and ...
 on the east coast of ScotlandScotland

Scotland is a nation in northwest Europe and one of the constituent countries of the United Kingdom....
.
It is famous in the history of geologyGeology

Geology anetary geology]] refers to the application of geologic principles to other bodies of the solar system....
  for Hutton's UnconformityHutton's Unconformity

Hutton's Unconformity is the name given to various famous geological sites in Scotland....
 found in 1788, which James HuttonJames Hutton

James Hutton was a Scottish geologist, noted for formulating uniformitarianism and the Plutonist School of thought....
 regarded as conclusive proof of his uniformitarianUniformitarianism

Uniformitarianism has had two separate meanings, both more prevalent in 19th-century discourse:...
 theory of geological development.

History

Siccar Point was the site of a dunDun

Dun is now used both as a generic term for a fort and also for a specific variety of atlantic roundhouse ....
, or small hill fortHill fort

Hill forts in Scotland]]* see ...
, in the territory of the ancient Britons.

Siccar Point is now in the parish of CockburnspathCockburnspath

Cockburnspath lies near the North Sea coast between Berwick-upon-Tweed and Edinburgh in Scotland....
 but was formerly in the parish of Old CambusOld Cambus

Old Cambus is a village in the Scottish Borders, Scotland....
, from which the ancient parish church of St Helen's Chapel survives as a ruin about one kilometre to the west of the point. The church is built in a RomanesqueRomanesque architecture

The term Romanesque, like many other stylistic designations, was not a term contemporary with the art it describes but an in...
 style, in a mixture of Old Red SandstoneOld Red Sandstone

The Old Red Sandstone is a rock formation of considerable importance to early paleontology....
 believed to have been quarried from the nearby Greenheugh Bay and of the greywackeGreywacke

Greywacke is a variety of sandstone generally characterized by its hardness, dark color, and poorly-sorted, angular grains o...
 rock also used in the drystane dyke forming the field boundaries. It is likely that the medievalMiddle Ages

The Middle Ages formed the middle period in a traditional schematic division of European history into three "ages": the clas...
 village of Old Cambus was nearer to Siccar Point than the extant hamlet of Old Cambus.

To the south of the point twentieth century quarryQuarry

A quarry is a type of open-pit mine from which rock or minerals are extracted....
ing for greywackeGreywacke

Greywacke is a variety of sandstone generally characterized by its hardness, dark color, and poorly-sorted, angular grains o...
 to be used as roadstone left a hollow which is now occupied by a vegetable processing plant.

Hutton's Unconformity

Siccar Point is famous in the history of geologyGeology

Geology anetary geology]] refers to the application of geologic principles to other bodies of the solar system....
 as a result of a boat trip in 1788 in which James HuttonFacts About James Hutton

James Hutton was a Scottish geologist, noted for formulating uniformitarianism and the Plutonist School of thought....
, with James HallJames Hall, 4th Baronet

----Sir James Hall, 4th Baronet was a geologist and geophysicist, born in Dunglass, Scotland....
 and John PlayfairJohn Playfair

Professor John Playfair FRSE was a Scottish scientist....
, observed the angular unconformityUnconformity Summary

An unconformity is a buried erosion surface separating two rock masses or strata of different ages, indicating that sediment...
 which Hutton regarded as conclusive proof of his uniformitarianUniformitarianism

Uniformitarianism has had two separate meanings, both more prevalent in 19th-century discourse:...
 theory of geological development.

External links

  • , American Museum of Natural HistoryAmerican Museum of Natural History

    The American Museum of Natural History is a landmark of Manhattan's Upper West Side in New York, USA, at 79th Street and Cen...
    .