Bottom of a shaft, Sunday 21st November 1948 (photo)

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ttxela
50.2% (Neutral)
Newbie Topic Starter

13 years ago

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Photograph:

🔗Cavey-Springs-Deneholes-Chalk-Mine-Archive-Album-Image-68142[linkphoto]Cavey-Springs-Deneholes-Chalk-Mine-Archive-Album-Image-68142[/linkphoto][/link]

Nice to have an old trip report associated with historic pictures, are these deneholes still accesible?

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Peter Burgess
50.2% (Neutral)
Newbie

13 years ago

KURG are the people to ask.

RodLegear
50.2% (Neutral)
Newbie

11 years ago

Sadly all have gone. In the 70s they were all filled in prior to building a CEGB switching station.
That particular one was known as the 'bottleneck' due to its shape.

BertyBasset
50.2% (Neutral)
Newbie

11 years ago

Not up on chalk workings, but did they just do multiple bottle shaped workings or a more systematic pillar and stall type extraction?

RodLegear
50.2% (Neutral)
Newbie

11 years ago

The bottle shape in this one was the result of a collapse of all the chalk working leaving just a cavity in the thanet sand.
Usually a denehole consists of a shaft with a small number of short chambers radiating from it.
The length of the chambers was determined by the friction of the hauling rope at the base of the shaft. Once the wheelbarrow started to be used (around late 13th century) a simple form of pillar and stall developed.