Description
Entrance 25m above road level on the South side of Stoney Middleton Dale about 30m East of Layby Shelter.
Shored entrance in corner of small rock outcrop.
Climb down shoring into standing rift. This leads to a slippery 4m climb down to a phreatic tube.
This is followed for a few metres to a squeeze up over boulders into a chamber, the scene of various digs.
A high level rift in the top corner of the chamber leads to a sqeeze into a rift climb back down into the chamber (now blocked by digging spoil)
A squeeze down from the chamber leads to a cavity. A pot in the floor (now partly backfilled) led to a low, draughting
phreatic tube and squalid dig.
A tube opposite the squeeze is a comfortable size phreatic tube leading to the current dig face
A further tube, (again backfilled) led to a small, pretty aven, narrowing to a fissure at its top.
Commentary
Although small, Rubble Rift is another piece in the jigsaw of breakdown caves on the South side of Stoney Middleton Dale.
A draught is present that appears to come up from the now backfilled pot. The silt filled tube at the bottom of this kept filling with
water as the dig progressed, and was abandoned.
The phreatic tube is a better digging prospect, and is occasionally still dug.
There is the possibility of a connection to the far Pizzaland chokes in Hangover Hole about 55m away.
Content © Andy Foster 2005
Rubble Rift - Survey
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for a larger version of this survey.
Rubble Rift - Photograph of Phreatic Tube
The photograph above shows the typical phreatic tube that characterises Rubble Rift.
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