Hallowe'en Rift, Mendip Hills

Excursions [and other notes] involved in the exploration of Hallowe'en Rift; a cave, so far, formed within Triassic Dolomitic Conglomerate.

The exploration of Hallowe'en Rift was started in 1982 by Trevor Hughes with other members of the Bristol Exploration Club, then during the early 1990's Vince Simmonds and other, mostly, local diggers were active at a number of locations within the cave, including the start of the present dig with Graham Johnson in December 1991. The current phase of exploration was commenced in 2009, with the majority of the early work being carried out by Vince Simmonds and Alex Gee, now the regular team includes Rob 'Tav' Taviner, Graham 'Jake' Johnson, Nick Hawkes, Matt Tuck, Jonathon Riley, Paul 'Brockers' Brock, Roz Simmonds, Duncan Price and Mike Moxon. There has been occasional help from others including Mike Willett, John 'Tangent' Williams, Pete Bolt, Bob Smith, Callum and Hazel Simmonds, with regular guest appearances by that well-known antipodean, Ray Deasy.

24th March 2018

digging 2018Posted by Vince Simmonds Sun, March 25, 2018 09:42:36

With Jake, Jonathon, Tav, Nick, Brockers and Alex.

A good team turn-out today. Jake went ahead to start digging, with Tav assisting. They were followed by Jonathon, Nick and Brockers, Alex and I remained on the surface. While Alex hauled the spoil from the cave, I went dry-stone walling, continuing the reconstruction of the spoil-heap wall.

The bags started to come from the cave at a good rate, the reason being, Nick had started digging somewhere along the approach passage. Alex didn’t have much time to empty the bags, so I stopped wall building and went to help-out.

About 70 bags and a dozen or so skip-loads of rock were hauled-out of the cave, about 40 of the bags were from the ‘official’ dig-site.

The focus of attention has switched to a route that leads over the top of Another Emotional Journey (AEJ), an area we paid some attention to in 2014 (I checked the log-book), before getting side-tracked by a hole in the floor and followed that downwards, eventually emptying out quite a large chamber, that is now connected to AEJ. It is, however, much easier to get to now, and spoil removal will be far more efficient.

At the end of the session, Jake was suitably impressed, and enthusiastic, by progress and the prospects ahead. The dig, a partially choked phreatic arch with some fine scalloping in the roof, the sediment fill is a mixture of sandy silt and thin calcite ‘false’ floor, there is a gap over the top, c.100-150mm height, the direction is trending east. Sounds very interesting.

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