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Hawthorn Dene

County Durham geography stubsEnglish Site of Special Scientific Interest stubsNature reserves of the Durham Wildlife TrustSites of Special Scientific Interest in County Durham

Hawthorn Dene is a Site of Special Scientific Interest in the Easington district of County Durham, England. The site occupies the incised valley of Hawthorn Burn and extends from just south of the village of Hawthorn eastward as far as the Durham Coast railway line: the area between the railway line and the sea forms part of the Durham Coast SSSI. Much of the area consists of semi-natural and relatively undisturbed woodland that has developed on Magnesian Limestone; within Durham, only Castle Eden Dene SSSI has a larger area under this type of vegetation. At the eastern end of the dene, the woodland gives way to magnesian limestone grassland, while at the western end there is an area of tall fen vegetation. Much of the woodland is dominated by ash, Fraxinus excelsior, but in places wych elm, Ulmus glabra is dominant; such woodland is scarce in Durham. Another notable feature is the occurrence of yew, Taxus baccata, on the lower valley slopes, this being rare in Britain.

Excerpt from the Wikipedia article Hawthorn Dene (License: CC BY-SA 3.0, Authors).

Hawthorn Dene
Petwell Lane,

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N 54.805555555556 ° E -1.3238888888889 °
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The Barn at Easington

Petwell Lane
SR8 3UP
England, United Kingdom
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Website
thebarnateasington.co.uk

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Hawthorn Quarry
Hawthorn Quarry

Hawthorn Quarry is a Site of Special Scientific Interest in the Easington district of east County Durham, England. It is a working quarry, currently operated by Tarmac, which is situated just north of the eastern end of Hawthorn Dene SSSI. The site has been identified by the Geological Conservation Review as being of significant national importance for its exposures of high quality Middle Magnesian Limestone, which include reef beds, overlying boulder beds, stromatolites and bedded oolites. The site is considered highly valuable for an understanding of the later evolution of carbonate environments of the Middle Magnesian. Hawthorn Quarry is located within the defined Hawthorn Beacon/Hill Mineral Consultation Area (MCA),which was first designated in 1981 and is now protected through saved County Durham Minerals Local Plan Policy (MLP) M14. Policy M14 states that development will only be permitted within or adjoining a Mineral Consultation Area including where it would not sterilise significant quantities of potential mineral resources. Paragraph 204 of the NPPF recognises that "planning policies should safeguard mineral resources by defining Mineral Safeguarding Areas; and adopt appropriate policies so that known locations of specific minerals resources of local and national importance and are not sterilised by non-mineral development" Despite the strategic national significance of the site, Durham County Council issued outline planning permission in November 2018 to construct 1500 new houses on land adjacent to Hawthorn Quarry, which could effectively sterilise local minerals production and further expansion.During the November 2018 council meetings, Durham County Council was advised by its own planning experts : "it is considered that the proposed development would sterilise significant quantities of mineral resources including potentially high grade (Ford Formation) magnesian limestone, which is highly likely to extend outside of the permitted quarry boundary for an unknown distance. This is judged to be significant because it is understood that the Ford Formation magnesian limestone in and around Hawthorn Quarry can be considered to be of a very high grade, with low levels of impurities, and is one of a handful of known high purity magnesian limestone resource areas within the United Kingdom…. When all of the available information is considered in the round, and considering all of the above, it is concluded by officers that the proposed development would result in the significant sterilisation of a high grade minerals resource, and would therefore be in conflict with MLP Policy M14”