Gilbert's Pit is a geological Site of Special Scientific Interest in

Charlton Charlton may refer to: People * Charlton (surname) * Charlton (given name) Places Australia * Charlton, Queensland * Charlton, Victoria * Division of Charlton, an electoral district in the Australian House of Representatives, in New South Wale ...

in the

Royal Borough of Greenwich The Royal Borough of Greenwich (, , or ) is a London boroughs, London borough in southeast Greater London. The London Borough of Greenwich was formed in 1965 by the London Government Act 1963. The new borough covered the former area of the Metr ...

. It was notified in 1985 and was formerly known as Charlton Sand Pit. It is a

Geological Conservation Review The Geological Conservation Review (GCR) is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological ...

site. It is also part of the ''Maryon Wilson Park and Gilbert's Pit'' Local Nature Reserve. It adjoins

Maryon Park Maryon Park is an urban public park located in Charlton in the Royal Borough of Greenwich. It is situated on the A206 south of the Thames Barrier. There is access from Woolwich Road, Charlton Lane and Thorntree Road. It is part of the Maryon Wils ...

and is close to

Maryon Wilson Park Maryon Wilson Park is a public park on Thorntree Road, Charlton Charlton may refer to: People * Charlton (surname) * Charlton (given name) Places Australia * Charlton, Queensland * Charlton, Victoria * Division of Charlton, an electoral dist ...

History

There was a Romano-British settlement on Cox's Mount, the summit of Gilbert's Pit, between the first and fifth centuries. The area was part of the ancient Hanging Wood. The Pit was part of the estate of the Maryon-Wilson family. From the late eighteenth century to 1889 it was worked for sand, and it was named after one of the managers, Mr E. Gilbert. It was purchased by the

London County Council London County Council (LCC) was the principal local government body for the County of London throughout its existence from 1889 to 1965, and the first London-wide general municipal authority to be directly elected. It covered the area today kno ...

in 1930.

Geology

Gilbert's Pit is an important

Paleogene The Paleogene ( ; also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago (Mya) to the beginning of ...

site, displaying one of the most complete sequences of sediments in Greater London. The

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch that lasted from about 66 to 56 million years ago (mya). It is the first epoch of the Paleogene Period in the modern Cenozoic Era. The name is a combination of the Ancient Greek ''pal ...

Thanet Thanet may refer to: *Isle of Thanet, a former island, now a peninsula, at the most easterly point of Kent, England *Thanet District, a local government district containing the island *Thanet College, former name of East Kent College *Thanet Canal, ...

and

Woolwich Woolwich () is a district in southeast London, England, within the Royal Borough of Greenwich. The district's location on the River Thames led to its status as an important naval, military and industrial area; a role that was maintained thro ...

Formations date to around 55 million years ago. Some of the beds yield many fossils of plants, sponges, molluscs, fish and reptiles. The site has been studied for over 120 years and is the subject of a substantial literature.

Ecology

The site is steeply sided. The main trees are birch and oak, and there is yellow gorse and broom on the upper slopes. On the lower slopes hawthorn provides nesting sites for birds.Greenchain, Gilberts Pit & Maryon Park
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Access

Much of the site is fenced off. There is access to the part which is open from Charlton Lane and a path from the Gilbert's Pit information board in Maryon Park leads up to Cox's Mount, which has fine views over London.

References

External links

* *
Green Chain Walk, Geotrail
{{LB Greenwich Sites of Special Scientific Interest in London Parks and open spaces in the Royal Borough of Greenwich Geology of London Local nature reserves in Greater London Charlton, London Nature reserves in the Royal Borough of Greenwich