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Blaise Farm Quarry PDF Print
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Grid Reference: TQ662562

Blaise Farm Quarry	Opened in 2001, and closed in 2005, the Blaise Farm Quarry is in near horizontal rag and hassock facies of the Lower Cretaceous, Hythe Formation. Faces display large scale (up to 2m high) cross bedding, channelling and extensive bioturbation. Such features indicate deposition on a shallow marine shelf where sediment transport was to the east or north-east.

The top surface of the Ragstone deposit is cut by numerous 'solution pipes, up to 4m wide and 6m deep, filled by brown-orange clay, rotten-stone and debris, and draped beds of rag and hassock. These and similar pipes in the Chalk were formed by sub-aerial weathering during the Tertiary and Quaternary. At Blaise Farm, unlike chalk sites, the Karstic features are readily accessible.

Photograph: Matthew Wright, Director, Image Impact

Access And Safety

Access is from the roundabout on the A228; the quarry is sign-posted and is reached by a wide, 800 metres long, metalled road.

The quarry is now closed and the main gate is locked, so permission to enter is essential.

Inside the quarry the rock faces are stable but with some falls from the overburden and weathered rag and hassock. All studies should be conducted from the roadways or ground level away from the bases of the faces. Hard hats, boots and reflective jackets are essential.


RIGS in Kent


(Regionally Important Geological Sites) 

RIGS are geological sites that are important for historical, scientific research or educational reasons.

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sssi(Sites of Special Scientific Interest) 

SSSIs give legal protection to the best sites for wildlife and geology in England. 

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