The Stockbridge Anticline is one of a series of parallel east-west trending
fold
Fold, folding or foldable may refer to:
Arts, entertainment, and media
* ''Fold'' (album), the debut release by Australian rock band Epicure
*Fold (poker), in the game of poker, to discard one's hand and forfeit interest in the current pot
*Above ...
s in the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
chalk
Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Cha ...
of
Hampshire
Hampshire (, ; abbreviated to Hants) is a ceremonial county, ceremonial and non-metropolitan county, non-metropolitan counties of England, county in western South East England on the coast of the English Channel. Home to two major English citi ...
. It lies at the western end of the
South Downs
The South Downs are a range of chalk hills that extends for about across the south-eastern coastal counties of England from the Itchen valley of Hampshire in the west to Beachy Head, in the Eastbourne Downland Estate, East Sussex, in the ea ...
, immediately to the north of the
Winchester-King's Somborne Syncline
The Winchester-King's Somborne Syncline is one of a series of parallel east-west trending
folds in the Cretaceous chalk of Hampshire. It lies at the western end of the South Downs, immediately to the north of the Winchester-East Meon Anticline an ...
and east of
Salisbury Plain
Salisbury Plain is a chalk plateau in the south western part of central southern England covering . It is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and largely lies w ...
.
Structure
The
anticline
In structural geology, an anticline is a type of fold that is an arch-like shape and has its oldest beds at its core, whereas a syncline is the inverse of an anticline. A typical anticline is convex up in which the hinge or crest is the ...
axis runs for around from around the
Wallops, swinging south-south-east through
Stockbridge and
Crawley
Crawley () is a large town and borough in West Sussex, England. It is south of London, north of Brighton and Hove, and north-east of the county town of Chichester. Crawley covers an area of and had a population of 106,597 at the time of th ...
, between
Micheldever
Micheldever is a village in Hampshire, England, situated north of Winchester. It lies upon the River Dever .
The river, and village, formerly part of Stratton Park, lie on a Hampshire grass downland, underlain with chalk and flint. Parts of ...
and
Kings Worthy
Kings Worthy is a village and civil parish in Hampshire, England, approximately two miles north-east of Winchester. Kings Worthy was a tithing of Barton Stacey when the Domesday Book was written.
St Mary's church
The parish church, built in 1864, ...
, towards
Medstead
Medstead is a village and civil parish in the East Hampshire district of Hampshire, England. Its nearest town is Alton, which lies northeast of the village. According to the 2011 census, the village had a population of 2,036 people. The parish ...
in the east.
Hills include
Danebury
Danebury is an Iron Age hill fort in Hampshire, England, about north-west of Winchester (). Retrieved on 23 July 2008. The site, covering , was excavated by Barry Cunliffe in the 1970s. Danebury is considered a type-site for hill forts, ...
and
Chattis Hill
Chattis Hill is a hamlet in the Test Valley district of Hampshire, England. The village lies approximately 2 miles (3.3 km) west from Stockbridge, which both lie on the A30 road. At the 2011 Census the Post Office indicates that the popu ...
to the west, Stockbridge Down,
Woolbury
Woolbury, or Woolbury Ring, is the site of an Iron Age univallate hill fort on Stockbridge Down, Hampshire, England.
Description
The site is described as a strong hilltop camp covering 20 acres, with a single bank and ditch, and has commanding ...
,
Chilbolton Down
Chilbolten Down is a hamlet in the civil parish of Chilbolton in Hampshire, England. Its nearest town is Stockbridge, which lies approximately 3.4 miles (5.5 km) south-west from the hamlet.
Villages in Hampshire
Test Valley
...
, Windmill Hill (Crawley) and Abbotstone Down.
Parallel folds to the south include the
Winchester-East Meon Anticline The Winchester-East Meon Anticline is one of a series of parallel east–west trending
folds in the Cretaceous chalk of Hampshire. It lies at the western end of the South Downs, immediately to the north of the Hampshire Basin and south-east of Sali ...
and the Winchester-King's Somborne Syncline. To the north is the
Micheldever Syncline
The Micheldever Syncline is one of a series of parallel east-west trending
folds in the Cretaceous chalk of Hampshire. It lies at the western end of the South Downs, immediately to the north of the Stockbridge Anticline and east of Salisbury ...
. As with other nearby folds, the structure is controlled by movement of fault blocks within the
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
strata below.
See also
List of geological folds in Great Britain
This is a list of the named geological folds affecting the rocks of Great Britain and the Isle of Man.
Terminology
See the main article on folds for a fuller treatment of fold types and nomenclature but in brief, an anticline is an arch-like fol ...
References
Anticlines
Geology of Hampshire
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